--- /dev/null
+/*
+ * 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: jpc_t1cod.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
+ */
+
+#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
projects / opencv / blobdiff