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/*
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* Copyright (c) 2002-2006 The TenDRA Project <http://www.tendra.org/>.
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* All rights reserved.
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*
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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 met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of The TenDRA Project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific, prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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/*
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/*
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Crown Copyright (c) 1997
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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party shall be deemed to be that party's acceptance of
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these conditions;
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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no liability whatsoever in relation to any use to which
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it may be put.
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it may be put.
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*/
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*/
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BITSTREAM ENCODING DECLARATIONS
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BITSTREAM ENCODING DECLARATIONS
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The routines in this module are concerned with low level output.
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The routines in this module are concerned with low level output.
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*/
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*/
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extern BITSTREAM *start_bitstream PROTO_S ( ( FILE *, gen_ptr ) ) ;
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extern BITSTREAM *start_bitstream(FILE *, gen_ptr);
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extern void end_bitstream PROTO_S ( ( BITSTREAM *, int ) ) ;
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extern void end_bitstream(BITSTREAM *, int);
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extern BITSTREAM *enc_bits PROTO_S ( ( BITSTREAM *, unsigned, unsigned ) ) ;
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extern BITSTREAM *enc_bits(BITSTREAM *, unsigned, unsigned);
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extern BITSTREAM *enc_long_bits PROTO_S ( ( BITSTREAM *, unsigned, unsigned ) ) ;
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extern BITSTREAM *enc_long_bits(BITSTREAM *, unsigned, unsigned long);
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extern BITSTREAM *enc_bytes PROTO_S ( ( BITSTREAM *, unsigned long, string ) ) ;
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extern BITSTREAM *enc_bytes(BITSTREAM *, unsigned long, string);
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extern BITSTREAM *enc_ascii PROTO_S ( ( BITSTREAM *, unsigned long, string ) ) ;
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extern BITSTREAM *enc_ascii(BITSTREAM *, unsigned long, string);
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extern BITSTREAM *enc_extn PROTO_S ( ( BITSTREAM *, unsigned, unsigned ) ) ;
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extern BITSTREAM *enc_extn(BITSTREAM *, unsigned, unsigned);
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extern BITSTREAM *enc_int PROTO_S ( ( BITSTREAM *, unsigned ) ) ;
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extern BITSTREAM *enc_int(BITSTREAM *, unsigned long);
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extern BITSTREAM *enc_int_aux PROTO_S ( ( BITSTREAM *, unsigned ) ) ;
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extern BITSTREAM *enc_int_aux(BITSTREAM *, unsigned long);
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extern BITSTREAM *enc_ident PROTO_S ( ( BITSTREAM *, string, unsigned ) ) ;
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extern BITSTREAM *enc_ident(BITSTREAM *, string, unsigned long);
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extern BITSTREAM *enc_tdfstring PROTO_S ( ( BITSTREAM *, unsigned long, string ) ) ;
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extern BITSTREAM *enc_tdfstring(BITSTREAM *, unsigned long, string);
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extern BITSTREAM *enc_ustring PROTO_S ( ( BITSTREAM *, string ) ) ;
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extern BITSTREAM *enc_ustring(BITSTREAM *, string);
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extern BITSTREAM *enc_boundary PROTO_S ( ( BITSTREAM * ) ) ;
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extern BITSTREAM *enc_boundary(BITSTREAM *);
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extern BITSTREAM *enc_bitstream PROTO_S ( ( BITSTREAM *, BITSTREAM * ) ) ;
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extern BITSTREAM *enc_bitstream(BITSTREAM *, BITSTREAM *);
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extern BITSTREAM *join_bitstreams PROTO_S ( ( BITSTREAM *, BITSTREAM * ) ) ;
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extern BITSTREAM *join_bitstreams(BITSTREAM *, BITSTREAM *);
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extern unsigned length_bitstream PROTO_S ( ( BITSTREAM * ) ) ;
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extern unsigned length_bitstream(BITSTREAM *);
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/*
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/*
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BITSTREAM SIZES
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BITSTREAM SIZES
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These macros give the number of bits in a byte and the number of
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These macros give the number of bits in a byte and the number of
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bytes in a bitstream.
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bytes in a bitstream.
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*/
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*/
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#define BYTE_SIZE ( ( unsigned ) 8 )
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#define BYTE_SIZE ((unsigned)8)
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#define CHUNK_SIZE ( ( unsigned ) 64 )
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#define CHUNK_SIZE ((unsigned)64)
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#define CHUNK_COPY ( ( unsigned ) 8 )
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#define CHUNK_COPY ((unsigned)8)
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#define BYTE_MASK ( ( unsigned ) 0xff )
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#define BYTE_MASK ((unsigned)0xff)
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/*
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/*
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ENCODING MACROS
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ENCODING MACROS
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These macros give shorthands for the main encoding routines which are
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These macros give shorthands for the main encoding routines which are
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used in this module. Note that A is used at least twice in each
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used in this module. Note that A is used at least twice in each
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definition.
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definition.
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*/
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*/
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#define ENC_BITS( A, B, C )\
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#define ENC_BITS(A, B, C)\
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( A ) = enc_bits ( ( A ), ( unsigned ) ( B ), ( unsigned ) ( C ) )
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(A) = enc_bits((A), (unsigned)(B), (unsigned)(C))
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#define ENC_BITS_2( A, B, C )\
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#define ENC_BITS_2(A, B, C)\
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( A ) = enc_long_bits ( ( A ), ( unsigned ) ( B ), ( ulong ) ( C ) )
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(A) = enc_long_bits((A), (unsigned)(B), (ulong)(C))
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#define ENC_EXTN( A, B, C )\
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#define ENC_EXTN(A, B, C)\
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( A ) = enc_extn ( ( A ), ( unsigned ) ( B ), ( unsigned ) ( C ) )
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(A) = enc_extn((A), (unsigned)(B), (unsigned)(C))
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#define ENC_INT( A, B )\
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#define ENC_INT(A, B)\
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( A ) = enc_int ( ( A ), ( unsigned long ) ( B ) )
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(A) = enc_int((A), (unsigned long)(B))
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#define ENC_IDENT( A, B, C )\
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#define ENC_IDENT(A, B, C)\
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( A ) = enc_ident ( ( A ), ( B ), ( unsigned long ) ( C ) )
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(A) = enc_ident((A), (B), (unsigned long)(C))
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#define ENC_ALIGN( A )\
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#define ENC_ALIGN(A)\
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( A ) = enc_boundary ( ( A ) )
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(A) = enc_boundary((A))
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#define ENC_BOOL( A, B ) ENC_BITS ( A, 1, B )
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#define ENC_BOOL(A, B) ENC_BITS(A, 1, B)
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#define ENC_ON( A ) ENC_BITS ( A, 1, 1 )
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#define ENC_ON(A) ENC_BITS(A, 1, 1)
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#define ENC_OFF( A ) ENC_BITS ( A, 1, 0 )
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#define ENC_OFF(A) ENC_BITS(A, 1, 0)
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#define ENC_OFFS( A, B ) ENC_BITS ( A, B, 0 )
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#define ENC_OFFS(A, B) ENC_BITS(A, B, 0)
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#endif
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#endif
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