From 38c2411fa82975ba41039ea583c46aeb4b4cde61 Mon Sep 17 00:00:00 2001 From: Jake Petroules Date: Mon, 6 Jan 2014 08:34:32 -0500 Subject: Import a copy of JasPer 1.900.1 for use by the JPEG 2000 plugin. Change-Id: I85348aa66f8c3c145bbfd125f557d6a247046d8f Reviewed-by: Konstantin Ritt Reviewed-by: Lars Knoll --- src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h | 231 +++++++++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h (limited to 'src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h') diff --git a/src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h b/src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h new file mode 100644 index 0000000..ef6a556 --- /dev/null +++ b/src/3rdparty/jasper/src/libjasper/jpc/jpc_bs.h @@ -0,0 +1,231 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Bit Stream Class + * + * $Id$ + */ + +#ifndef JPC_BS_H +#define JPC_BS_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include + +#include "jasper/jas_types.h" +#include "jasper/jas_stream.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* + * Bit stream open mode flags. + */ + +/* Bit stream open for reading. */ +#define JPC_BITSTREAM_READ 0x01 +/* Bit stream open for writing. */ +#define JPC_BITSTREAM_WRITE 0x02 + +/* + * Bit stream flags. + */ + +/* Do not close underlying character stream. */ +#define JPC_BITSTREAM_NOCLOSE 0x01 +/* End of file has been reached while reading. */ +#define JPC_BITSTREAM_EOF 0x02 +/* An I/O error has occured. */ +#define JPC_BITSTREAM_ERR 0x04 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Bit stream class. */ + +typedef struct { + + /* Some miscellaneous flags. */ + int flags_; + + /* The input/output buffer. */ + uint_fast16_t buf_; + + /* The number of bits remaining in the byte being read/written. */ + int cnt_; + + /* The underlying stream associated with this bit stream. */ + jas_stream_t *stream_; + + /* The mode in which this bit stream was opened. */ + int openmode_; + +} jpc_bitstream_t; + +/******************************************************************************\ +* Functions/macros for opening and closing bit streams.. +\******************************************************************************/ + +/* Open a stream as a bit stream. */ +jpc_bitstream_t *jpc_bitstream_sopen(jas_stream_t *stream, char *mode); + +/* Close a bit stream. */ +int jpc_bitstream_close(jpc_bitstream_t *bitstream); + +/******************************************************************************\ +* Functions/macros for reading from and writing to bit streams.. +\******************************************************************************/ + +/* Read a bit from a bit stream. */ +#if defined(DEBUG) +#define jpc_bitstream_getbit(bitstream) \ + jpc_bitstream_getbit_func(bitstream) +#else +#define jpc_bitstream_getbit(bitstream) \ + jpc_bitstream_getbit_macro(bitstream) +#endif + +/* Write a bit to a bit stream. */ +#if defined(DEBUG) +#define jpc_bitstream_putbit(bitstream, v) \ + jpc_bitstream_putbit_func(bitstream, v) +#else +#define jpc_bitstream_putbit(bitstream, v) \ + jpc_bitstream_putbit_macro(bitstream, v) +#endif + +/* Read one or more bits from a bit stream. */ +long jpc_bitstream_getbits(jpc_bitstream_t *bitstream, int n); + +/* Write one or more bits to a bit stream. */ +int jpc_bitstream_putbits(jpc_bitstream_t *bitstream, int n, long v); + +/******************************************************************************\ +* Functions/macros for flushing and aligning bit streams. +\******************************************************************************/ + +/* Align the current position within the bit stream to the next byte + boundary. */ +int jpc_bitstream_align(jpc_bitstream_t *bitstream); + +/* Align the current position in the bit stream with the next byte boundary, + ensuring that certain bits consumed in the process match a particular + pattern. */ +int jpc_bitstream_inalign(jpc_bitstream_t *bitstream, int fillmask, + int filldata); + +/* Align the current position in the bit stream with the next byte boundary, + writing bits from the specified pattern (if necessary) in the process. */ +int jpc_bitstream_outalign(jpc_bitstream_t *bitstream, int filldata); + +/* Check if a bit stream needs alignment. */ +int jpc_bitstream_needalign(jpc_bitstream_t *bitstream); + +/* How many additional bytes would be output if the bit stream was aligned? */ +int jpc_bitstream_pending(jpc_bitstream_t *bitstream); + +/******************************************************************************\ +* Functions/macros for querying state information for bit streams. +\******************************************************************************/ + +/* Has EOF been encountered on a bit stream? */ +#define jpc_bitstream_eof(bitstream) \ + ((bitstream)->flags_ & JPC_BITSTREAM_EOF) + +/******************************************************************************\ +* Internals. +\******************************************************************************/ + +/* DO NOT DIRECTLY INVOKE ANY OF THE MACROS OR FUNCTIONS BELOW. THEY ARE + FOR INTERNAL USE ONLY. */ + +int jpc_bitstream_getbit_func(jpc_bitstream_t *bitstream); + +int jpc_bitstream_putbit_func(jpc_bitstream_t *bitstream, int v); + +int jpc_bitstream_fillbuf(jpc_bitstream_t *bitstream); + +#define jpc_bitstream_getbit_macro(bitstream) \ + (assert((bitstream)->openmode_ & JPC_BITSTREAM_READ), \ + (--(bitstream)->cnt_ >= 0) ? \ + ((int)(((bitstream)->buf_ >> (bitstream)->cnt_) & 1)) : \ + jpc_bitstream_fillbuf(bitstream)) + +#define jpc_bitstream_putbit_macro(bitstream, bit) \ + (assert((bitstream)->openmode_ & JPC_BITSTREAM_WRITE), \ + (--(bitstream)->cnt_ < 0) ? \ + ((bitstream)->buf_ = ((bitstream)->buf_ << 8) & 0xffff, \ + (bitstream)->cnt_ = ((bitstream)->buf_ == 0xff00) ? 6 : 7, \ + (bitstream)->buf_ |= ((bit) & 1) << (bitstream)->cnt_, \ + (jas_stream_putc((bitstream)->stream_, (bitstream)->buf_ >> 8) == EOF) \ + ? (EOF) : ((bit) & 1)) : \ + ((bitstream)->buf_ |= ((bit) & 1) << (bitstream)->cnt_, \ + (bit) & 1)) + +#endif -- cgit v1.2.3