diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c | 636 |
1 files changed, 318 insertions, 318 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c b/converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c index 650cb854..ed188154 100644 --- a/converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_t1cod.c @@ -6,14 +6,14 @@ */ /* __START_OF_JASPER_LICENSE__ - * + * * JasPer Software License - * + * * IMAGE POWER JPEG-2000 PUBLIC LICENSE * ************************************ - * + * * GRANT: - * + * * Permission is hereby granted, free of charge, to any person (the "User") * obtaining a copy of this software and associated documentation, to deal * in the JasPer Software without restriction, including without limitation @@ -21,22 +21,22 @@ * and/or sell copies of the JasPer Software (in source and binary forms), * and to permit persons to whom the JasPer Software is furnished to do so, * provided further that the License Conditions below are met. - * + * * License Conditions * ****************** - * + * * A. Redistributions of source code must retain the above copyright notice, * and this list of conditions, and the following disclaimer. - * + * * B. Redistributions in binary form must reproduce the above copyright * notice, and this list of conditions, and the following disclaimer in * the documentation and/or other materials provided with the distribution. - * + * * C. Neither the name of Image Power, Inc. nor any other contributor * (including, but not limited to, the University of British Columbia and * Michael David Adams) may be used to endorse or promote products derived * from this software without specific prior written permission. - * + * * D. User agrees that it shall not commence any action against Image Power, * Inc., the University of British Columbia, Michael David Adams, or any * other contributors (collectively "Licensors") for infringement of any @@ -56,17 +56,17 @@ * trade dress, or service mark rights); and (v) divisions, continuations, * renewals, reissues and extensions of the foregoing (as and to the extent * applicable) now existing, hereafter filed, issued or acquired. - * + * * E. If User commences an infringement action against any Licensor(s) then * such Licensor(s) shall have the right to terminate User's license and * all sublicenses that have been granted hereunder by User to other parties. - * + * * F. This software is for use only in hardware or software products that * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license * or right to this Software is granted for products that do not comply * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased * from the ISO. - * + * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND @@ -106,7 +106,7 @@ * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE * NOTICE SPECIFIED IN THIS SECTION. - * + * * __END_OF_JASPER_LICENSE__ */ @@ -157,46 +157,46 @@ jpc_mqctx_t jpc_mqctxs[JPC_NUMCTXS]; int JPC_PASSTYPE(int passno) { - int passtype; - switch (passno % 3) { - case 0: - passtype = JPC_CLNPASS; - break; - case 1: - passtype = JPC_SIGPASS; - break; - case 2: - passtype = JPC_REFPASS; - break; - default: - passtype = -1; - assert(0); - break; - } - return passtype; + int passtype; + switch (passno % 3) { + case 0: + passtype = JPC_CLNPASS; + break; + case 1: + passtype = JPC_SIGPASS; + break; + case 2: + passtype = JPC_REFPASS; + break; + default: + passtype = -1; + assert(0); + break; + } + return passtype; } int JPC_NOMINALGAIN(int qmfbid, int numlvls, int lvlno, int orient) { if (qmfbid == JPC_COX_INS) { - return 0; + return 0; } - assert(qmfbid == JPC_COX_RFT); - if (lvlno == 0) { - assert(orient == JPC_TSFB_LL); - return 0; - } else { - switch (orient) { - case JPC_TSFB_LH: - case JPC_TSFB_HL: - return 1; - break; - case JPC_TSFB_HH: - return 2; - break; - } - } - abort(); + assert(qmfbid == JPC_COX_RFT); + if (lvlno == 0) { + assert(orient == JPC_TSFB_LL); + return 0; + } else { + switch (orient) { + case JPC_TSFB_LH: + case JPC_TSFB_HL: + return 1; + break; + case JPC_TSFB_HH: + return 2; + break; + } + } + abort(); } /******************************************************************************\ @@ -205,66 +205,66 @@ if (qmfbid == JPC_COX_INS) { int JPC_SEGTYPE(int passno, int firstpassno, int bypass) { - int passtype; - if (bypass) { - passtype = JPC_PASSTYPE(passno); - if (passtype == JPC_CLNPASS) { - return JPC_SEG_MQ; - } - return ((passno < firstpassno + 10) ? JPC_SEG_MQ : JPC_SEG_RAW); - } else { - return JPC_SEG_MQ; - } + int passtype; + if (bypass) { + passtype = JPC_PASSTYPE(passno); + if (passtype == JPC_CLNPASS) { + return JPC_SEG_MQ; + } + return ((passno < firstpassno + 10) ? JPC_SEG_MQ : JPC_SEG_RAW); + } else { + return JPC_SEG_MQ; + } } int JPC_SEGPASSCNT(int passno, int firstpassno, int numpasses, int bypass, int termall) { - int ret; - int passtype; - - if (termall) { - ret = 1; - } else if (bypass) { - if (passno < firstpassno + 10) { - ret = 10 - (passno - firstpassno); - } else { - passtype = JPC_PASSTYPE(passno); - switch (passtype) { - case JPC_SIGPASS: - ret = 2; - break; - case JPC_REFPASS: - ret = 1; - break; - case JPC_CLNPASS: - ret = 1; - break; - default: - ret = -1; - assert(0); - break; - } - } - } else { - ret = JPC_PREC * 3 - 2; - } - ret = JAS_MIN(ret, numpasses - passno); - return ret; + int ret; + int passtype; + + if (termall) { + ret = 1; + } else if (bypass) { + if (passno < firstpassno + 10) { + ret = 10 - (passno - firstpassno); + } else { + passtype = JPC_PASSTYPE(passno); + switch (passtype) { + case JPC_SIGPASS: + ret = 2; + break; + case JPC_REFPASS: + ret = 1; + break; + case JPC_CLNPASS: + ret = 1; + break; + default: + ret = -1; + assert(0); + break; + } + } + } else { + ret = JPC_PREC * 3 - 2; + } + ret = JAS_MIN(ret, numpasses - passno); + return ret; } int JPC_ISTERMINATED(int passno, int firstpassno, int numpasses, int termall, int lazy) { - int ret; - int n; - if (passno - firstpassno == numpasses - 1) { - ret = 1; - } else { - n = JPC_SEGPASSCNT(passno, firstpassno, numpasses, lazy, termall); - ret = (n <= 1) ? 1 : 0; - } - - return ret; + int ret; + int n; + if (passno - firstpassno == numpasses - 1) { + ret = 1; + } else { + n = JPC_SEGPASSCNT(passno, firstpassno, numpasses, lazy, termall); + ret = (n <= 1) ? 1 : 0; + } + + return ret; } /******************************************************************************\ @@ -273,265 +273,265 @@ int JPC_ISTERMINATED(int passno, int firstpassno, int numpasses, int termall, static void jpc_initmqctxs(void) { - jpc_initctxs(jpc_mqctxs); + jpc_initctxs(jpc_mqctxs); } void jpc_initluts() { - int i; - int orient; - int refine; - float u; - float v; - float t; + int i; + int orient; + int refine; + float u; + float v; + float t; /* XXX - hack */ jpc_initmqctxs(); - for (orient = 0; orient < 4; ++orient) { - for (i = 0; i < 256; ++i) { - jpc_zcctxnolut[(orient << 8) | i] = jpc_getzcctxno(i, orient); - } - } - - for (i = 0; i < 256; ++i) { - jpc_spblut[i] = jpc_getspb(i << 4); - } - - for (i = 0; i < 256; ++i) { - jpc_scctxnolut[i] = jpc_getscctxno(i << 4); - } - - for (refine = 0; refine < 2; ++refine) { - for (i = 0; i < 2048; ++i) { - jpc_magctxnolut[(refine << 11) + i] = jpc_getmagctxno((refine ? JPC_REFINE : 0) | i); - } - } - - for (i = 0; i < (1 << JPC_NMSEDEC_BITS); ++i) { - t = i * jpc_pow2i(-JPC_NMSEDEC_FRACBITS); - u = t; - v = t - 1.5; - jpc_signmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + for (orient = 0; orient < 4; ++orient) { + for (i = 0; i < 256; ++i) { + jpc_zcctxnolut[(orient << 8) | i] = jpc_getzcctxno(i, orient); + } + } + + for (i = 0; i < 256; ++i) { + jpc_spblut[i] = jpc_getspb(i << 4); + } + + for (i = 0; i < 256; ++i) { + jpc_scctxnolut[i] = jpc_getscctxno(i << 4); + } + + for (refine = 0; refine < 2; ++refine) { + for (i = 0; i < 2048; ++i) { + jpc_magctxnolut[(refine << 11) + i] = jpc_getmagctxno((refine ? JPC_REFINE : 0) | i); + } + } + + for (i = 0; i < (1 << JPC_NMSEDEC_BITS); ++i) { + t = i * jpc_pow2i(-JPC_NMSEDEC_FRACBITS); + u = t; + v = t - 1.5; + jpc_signmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); /* XXX - this calc is not correct */ - jpc_signmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); - u = t - 1.0; - if (i & (1 << (JPC_NMSEDEC_BITS - 1))) { - v = t - 1.5; - } else { - v = t - 0.5; - } - jpc_refnmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + jpc_signmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + u = t - 1.0; + if (i & (1 << (JPC_NMSEDEC_BITS - 1))) { + v = t - 1.5; + } else { + v = t - 0.5; + } + jpc_refnmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); /* XXX - this calc is not correct */ - jpc_refnmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); - } + jpc_refnmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + } } jpc_fix_t jpc_getsignmsedec_func(jpc_fix_t x, int bitpos) { - jpc_fix_t y; - assert(!(x & (~JAS_ONES(bitpos + 1)))); - y = jpc_getsignmsedec_macro(x, bitpos); - return y; + jpc_fix_t y; + assert(!(x & (~JAS_ONES(bitpos + 1)))); + y = jpc_getsignmsedec_macro(x, bitpos); + return y; } int jpc_getzcctxno(int f, int orient) { - int h; - int v; - int d; - int n; - int t; - int hv; - - /* Avoid compiler warning. */ - n = 0; - - h = ((f & JPC_WSIG) != 0) + ((f & JPC_ESIG) != 0); - v = ((f & JPC_NSIG) != 0) + ((f & JPC_SSIG) != 0); - d = ((f & JPC_NWSIG) != 0) + ((f & JPC_NESIG) != 0) + ((f & JPC_SESIG) != 0) + ((f & JPC_SWSIG) != 0); - switch (orient) { - case JPC_TSFB_HL: - t = h; - h = v; - v = t; - case JPC_TSFB_LL: - case JPC_TSFB_LH: - if (!h) { - if (!v) { - if (!d) { - n = 0; - } else if (d == 1) { - n = 1; - } else { - n = 2; - } - } else if (v == 1) { - n = 3; - } else { - n = 4; - } - } else if (h == 1) { - if (!v) { - if (!d) { - n = 5; - } else { - n = 6; - } - } else { - n = 7; - } - } else { - n = 8; - } - break; - case JPC_TSFB_HH: - hv = h + v; - if (!d) { - if (!hv) { - n = 0; - } else if (hv == 1) { - n = 1; - } else { - n = 2; - } - } else if (d == 1) { - if (!hv) { - n = 3; - } else if (hv == 1) { - n = 4; - } else { - n = 5; - } - } else if (d == 2) { - if (!hv) { - n = 6; - } else { - n = 7; - } - } else { - n = 8; - } - break; - } - assert(n < JPC_NUMZCCTXS); - return JPC_ZCCTXNO + n; + int h; + int v; + int d; + int n; + int t; + int hv; + + /* Avoid compiler warning. */ + n = 0; + + h = ((f & JPC_WSIG) != 0) + ((f & JPC_ESIG) != 0); + v = ((f & JPC_NSIG) != 0) + ((f & JPC_SSIG) != 0); + d = ((f & JPC_NWSIG) != 0) + ((f & JPC_NESIG) != 0) + ((f & JPC_SESIG) != 0) + ((f & JPC_SWSIG) != 0); + switch (orient) { + case JPC_TSFB_HL: + t = h; + h = v; + v = t; + case JPC_TSFB_LL: + case JPC_TSFB_LH: + if (!h) { + if (!v) { + if (!d) { + n = 0; + } else if (d == 1) { + n = 1; + } else { + n = 2; + } + } else if (v == 1) { + n = 3; + } else { + n = 4; + } + } else if (h == 1) { + if (!v) { + if (!d) { + n = 5; + } else { + n = 6; + } + } else { + n = 7; + } + } else { + n = 8; + } + break; + case JPC_TSFB_HH: + hv = h + v; + if (!d) { + if (!hv) { + n = 0; + } else if (hv == 1) { + n = 1; + } else { + n = 2; + } + } else if (d == 1) { + if (!hv) { + n = 3; + } else if (hv == 1) { + n = 4; + } else { + n = 5; + } + } else if (d == 2) { + if (!hv) { + n = 6; + } else { + n = 7; + } + } else { + n = 8; + } + break; + } + assert(n < JPC_NUMZCCTXS); + return JPC_ZCCTXNO + n; } int jpc_getspb(int f) { - int hc; - int vc; - int n; - - hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), 1) - - JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); - vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), 1) - - JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); - if (!hc && !vc) { - n = 0; - } else { - n = (!(hc > 0 || (!hc && vc > 0))); - } - return n; + int hc; + int vc; + int n; + + hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), 1) - + JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); + vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), 1) - + JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); + if (!hc && !vc) { + n = 0; + } else { + n = (!(hc > 0 || (!hc && vc > 0))); + } + return n; } int jpc_getscctxno(int f) { - int hc; - int vc; - int n; - - /* Avoid compiler warning. */ - n = 0; - - hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), - 1) - JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + - ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); - vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), - 1) - JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + - ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); - assert(hc >= -1 && hc <= 1 && vc >= -1 && vc <= 1); - if (hc < 0) { - hc = -hc; - vc = -vc; - } - if (!hc) { - if (vc == -1) { - n = 1; - } else if (!vc) { - n = 0; - } else { - n = 1; - } - } else if (hc == 1) { - if (vc == -1) { - n = 2; - } else if (!vc) { - n = 3; - } else { - n = 4; - } - } - assert(n < JPC_NUMSCCTXS); - return JPC_SCCTXNO + n; + int hc; + int vc; + int n; + + /* Avoid compiler warning. */ + n = 0; + + hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), + 1) - JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + + ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); + vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), + 1) - JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + + ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); + assert(hc >= -1 && hc <= 1 && vc >= -1 && vc <= 1); + if (hc < 0) { + hc = -hc; + vc = -vc; + } + if (!hc) { + if (vc == -1) { + n = 1; + } else if (!vc) { + n = 0; + } else { + n = 1; + } + } else if (hc == 1) { + if (vc == -1) { + n = 2; + } else if (!vc) { + n = 3; + } else { + n = 4; + } + } + assert(n < JPC_NUMSCCTXS); + return JPC_SCCTXNO + n; } int jpc_getmagctxno(int f) { - int n; + int n; - if (!(f & JPC_REFINE)) { - n = (f & (JPC_OTHSIGMSK)) ? 1 : 0; - } else { - n = 2; - } + if (!(f & JPC_REFINE)) { + n = (f & (JPC_OTHSIGMSK)) ? 1 : 0; + } else { + n = 2; + } - assert(n < JPC_NUMMAGCTXS); - return JPC_MAGCTXNO + n; + assert(n < JPC_NUMMAGCTXS); + return JPC_MAGCTXNO + n; } void jpc_initctxs(jpc_mqctx_t *ctxs) { - jpc_mqctx_t *ctx; - int i; - - ctx = ctxs; - for (i = 0; i < JPC_NUMCTXS; ++i) { - ctx->mps = 0; - switch (i) { - case JPC_UCTXNO: - ctx->ind = 46; - break; - case JPC_ZCCTXNO: - ctx->ind = 4; - break; - case JPC_AGGCTXNO: - ctx->ind = 3; - break; - default: - ctx->ind = 0; - break; - } - ++ctx; - } + jpc_mqctx_t *ctx; + int i; + + ctx = ctxs; + for (i = 0; i < JPC_NUMCTXS; ++i) { + ctx->mps = 0; + switch (i) { + case JPC_UCTXNO: + ctx->ind = 46; + break; + case JPC_ZCCTXNO: + ctx->ind = 4; + break; + case JPC_AGGCTXNO: + ctx->ind = 3; + break; + default: + ctx->ind = 0; + break; + } + ++ctx; + } } /* Calculate the real quantity exp2(n), where x is an integer. */ double jpc_pow2i(int n) { - double x; - double a; - - x = 1.0; - if (n < 0) { - a = 0.5; - n = -n; - } else { - a = 2.0; - } - while (--n >= 0) { - x *= a; - } - return x; + double x; + double a; + + x = 1.0; + if (n < 0) { + a = 0.5; + n = -n; + } else { + a = 2.0; + } + while (--n >= 0) { + x *= a; + } + return x; } |