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Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpc/jpc_t1cod.h')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpc/jpc_t1cod.h | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpc/jpc_t1cod.h b/src/3rdparty/jasper/src/libjasper/jpc/jpc_t1cod.h new file mode 100644 index 0000000..dc3e9b0 --- /dev/null +++ b/src/3rdparty/jasper/src/libjasper/jpc/jpc_t1cod.h @@ -0,0 +1,295 @@ +/* + * 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__ + */ + +/* + * $Id$ + */ + +#ifndef JPC_T1COD_H +#define JPC_T1COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_fix.h" +#include "jasper/jas_math.h" + +#include "jpc_mqcod.h" +#include "jpc_tsfb.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* The number of bits used to index into various lookup tables. */ +#define JPC_NMSEDEC_BITS 7 +#define JPC_NMSEDEC_FRACBITS (JPC_NMSEDEC_BITS - 1) + +/* + * Segment types. + */ + +/* Invalid. */ +#define JPC_SEG_INVALID 0 +/* MQ. */ +#define JPC_SEG_MQ 1 +/* Raw. */ +#define JPC_SEG_RAW 2 + +/* The nominal word size. */ +#define JPC_PREC 32 + +/* Tier-1 coding pass types. */ +#define JPC_SIGPASS 0 /* significance */ +#define JPC_REFPASS 1 /* refinement */ +#define JPC_CLNPASS 2 /* cleanup */ + +/* + * Per-sample state information for tier-1 coding. + */ + +/* The northeast neighbour has been found to be significant. */ +#define JPC_NESIG 0x0001 +/* The southeast neighbour has been found to be significant. */ +#define JPC_SESIG 0x0002 +/* The southwest neighbour has been found to be significant. */ +#define JPC_SWSIG 0x0004 +/* The northwest neighbour has been found to be significant. */ +#define JPC_NWSIG 0x0008 +/* The north neighbour has been found to be significant. */ +#define JPC_NSIG 0x0010 +/* The east neighbour has been found to be significant. */ +#define JPC_ESIG 0x0020 +/* The south neighbour has been found to be significant. */ +#define JPC_SSIG 0x0040 +/* The west neighbour has been found to be significant. */ +#define JPC_WSIG 0x0080 +/* The significance mask for 8-connected neighbours. */ +#define JPC_OTHSIGMSK \ + (JPC_NSIG | JPC_NESIG | JPC_ESIG | JPC_SESIG | JPC_SSIG | JPC_SWSIG | JPC_WSIG | JPC_NWSIG) +/* The significance mask for 4-connected neighbours. */ +#define JPC_PRIMSIGMSK (JPC_NSIG | JPC_ESIG | JPC_SSIG | JPC_WSIG) + +/* The north neighbour is negative in value. */ +#define JPC_NSGN 0x0100 +/* The east neighbour is negative in value. */ +#define JPC_ESGN 0x0200 +/* The south neighbour is negative in value. */ +#define JPC_SSGN 0x0400 +/* The west neighbour is negative in value. */ +#define JPC_WSGN 0x0800 +/* The sign mask for 4-connected neighbours. */ +#define JPC_SGNMSK (JPC_NSGN | JPC_ESGN | JPC_SSGN | JPC_WSGN) + +/* This sample has been found to be significant. */ +#define JPC_SIG 0x1000 +/* The sample has been refined. */ +#define JPC_REFINE 0x2000 +/* This sample has been processed during the significance pass. */ +#define JPC_VISIT 0x4000 + +/* The number of aggregation contexts. */ +#define JPC_NUMAGGCTXS 1 +/* The number of zero coding contexts. */ +#define JPC_NUMZCCTXS 9 +/* The number of magnitude contexts. */ +#define JPC_NUMMAGCTXS 3 +/* The number of sign coding contexts. */ +#define JPC_NUMSCCTXS 5 +/* The number of uniform contexts. */ +#define JPC_NUMUCTXS 1 + +/* The context ID for the first aggregation context. */ +#define JPC_AGGCTXNO 0 +/* The context ID for the first zero coding context. */ +#define JPC_ZCCTXNO (JPC_AGGCTXNO + JPC_NUMAGGCTXS) +/* The context ID for the first magnitude context. */ +#define JPC_MAGCTXNO (JPC_ZCCTXNO + JPC_NUMZCCTXS) +/* The context ID for the first sign coding context. */ +#define JPC_SCCTXNO (JPC_MAGCTXNO + JPC_NUMMAGCTXS) +/* The context ID for the first uniform context. */ +#define JPC_UCTXNO (JPC_SCCTXNO + JPC_NUMSCCTXS) +/* The total number of contexts. */ +#define JPC_NUMCTXS (JPC_UCTXNO + JPC_NUMUCTXS) + +/******************************************************************************\ +* External data. +\******************************************************************************/ + +/* These lookup tables are used by various macros/functions. */ +/* Do not access these lookup tables directly. */ +extern int jpc_zcctxnolut[]; +extern int jpc_spblut[]; +extern int jpc_scctxnolut[]; +extern int jpc_magctxnolut[]; +extern jpc_fix_t jpc_refnmsedec[]; +extern jpc_fix_t jpc_signmsedec[]; +extern jpc_fix_t jpc_refnmsedec0[]; +extern jpc_fix_t jpc_signmsedec0[]; + +/* The initial settings for the MQ contexts. */ +extern jpc_mqctx_t jpc_mqctxs[]; + +/******************************************************************************\ +* Functions and macros. +\******************************************************************************/ + +/* Initialize the MQ contexts. */ +void jpc_initctxs(jpc_mqctx_t *ctxs); + +/* Get the zero coding context. */ +int jpc_getzcctxno(int f, int orient); +#define JPC_GETZCCTXNO(f, orient) \ + (jpc_zcctxnolut[((orient) << 8) | ((f) & JPC_OTHSIGMSK)]) + +/* Get the sign prediction bit. */ +int jpc_getspb(int f); +#define JPC_GETSPB(f) \ + (jpc_spblut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4]) + +/* Get the sign coding context. */ +int jpc_getscctxno(int f); +#define JPC_GETSCCTXNO(f) \ + (jpc_scctxnolut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4]) + +/* Get the magnitude context. */ +int jpc_getmagctxno(int f); +#define JPC_GETMAGCTXNO(f) \ + (jpc_magctxnolut[((f) & JPC_OTHSIGMSK) | ((((f) & JPC_REFINE) != 0) << 11)]) + +/* Get the normalized MSE reduction for significance passes. */ +#define JPC_GETSIGNMSEDEC(x, bitpos) jpc_getsignmsedec_macro(x, bitpos) +jpc_fix_t jpc_getsignmsedec_func(jpc_fix_t x, int bitpos); +#define jpc_getsignmsedec_macro(x, bitpos) \ + ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_signmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \ + (jpc_signmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)])) + +/* Get the normalized MSE reduction for refinement passes. */ +#define JPC_GETREFNMSEDEC(x, bitpos) jpc_getrefnmsedec_macro(x, bitpos) +jpc_fix_t jpc_refsignmsedec_func(jpc_fix_t x, int bitpos); +#define jpc_getrefnmsedec_macro(x, bitpos) \ + ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_refnmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \ + (jpc_refnmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)])) + +/* Arithmetic shift right (with ability to shift left also). */ +#define JPC_ASR(x, n) \ + (((n) >= 0) ? ((x) >> (n)) : ((x) << (-(n)))) + +/* Update the per-sample state information. */ +#define JPC_UPDATEFLAGS4(fp, rowstep, s, vcausalflag) \ +{ \ + register jpc_fix_t *np = (fp) - (rowstep); \ + register jpc_fix_t *sp = (fp) + (rowstep); \ + if ((vcausalflag)) { \ + sp[-1] |= JPC_NESIG; \ + sp[1] |= JPC_NWSIG; \ + if (s) { \ + *sp |= JPC_NSIG | JPC_NSGN; \ + (fp)[-1] |= JPC_ESIG | JPC_ESGN; \ + (fp)[1] |= JPC_WSIG | JPC_WSGN; \ + } else { \ + *sp |= JPC_NSIG; \ + (fp)[-1] |= JPC_ESIG; \ + (fp)[1] |= JPC_WSIG; \ + } \ + } else { \ + np[-1] |= JPC_SESIG; \ + np[1] |= JPC_SWSIG; \ + sp[-1] |= JPC_NESIG; \ + sp[1] |= JPC_NWSIG; \ + if (s) { \ + *np |= JPC_SSIG | JPC_SSGN; \ + *sp |= JPC_NSIG | JPC_NSGN; \ + (fp)[-1] |= JPC_ESIG | JPC_ESGN; \ + (fp)[1] |= JPC_WSIG | JPC_WSGN; \ + } else { \ + *np |= JPC_SSIG; \ + *sp |= JPC_NSIG; \ + (fp)[-1] |= JPC_ESIG; \ + (fp)[1] |= JPC_WSIG; \ + } \ + } \ +} + +/* Initialize the lookup tables used by the codec. */ +void jpc_initluts(void); + +/* Get the nominal gain associated with a particular band. */ +int JPC_NOMINALGAIN(int qmfbid, int numlvls, int lvlno, int orient); + +/* Get the coding pass type. */ +int JPC_PASSTYPE(int passno); + +/* Get the segment type. */ +int JPC_SEGTYPE(int passno, int firstpassno, int bypass); + +/* Get the number of coding passess in the segment. */ +int JPC_SEGPASSCNT(int passno, int firstpassno, int numpasses, int bypass, + int termall); + +/* Is the coding pass terminated? */ +int JPC_ISTERMINATED(int passno, int firstpassno, int numpasses, int termall, + int lazy); + +#endif |