diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_mct.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_mct.c | 368 |
1 files changed, 184 insertions, 184 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_mct.c b/converter/other/jpeg2000/libjasper/jpc/jpc_mct.c index 7c16c3e5..2d7ea47c 100644 --- a/converter/other/jpeg2000/libjasper/jpc/jpc_mct.c +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_mct.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__ */ @@ -135,203 +135,203 @@ void jpc_rct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) { - int numrows; - int numcols; - int i; - int j; - jpc_fix_t *c0p; - jpc_fix_t *c1p; - jpc_fix_t *c2p; + int numrows; + int numcols; + int i; + int j; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; - numrows = jas_matrix_numrows(c0); - numcols = jas_matrix_numcols(c0); + numrows = jas_matrix_numrows(c0); + numcols = jas_matrix_numcols(c0); - /* All three matrices must have the same dimensions. */ - assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols - && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); + /* All three matrices must have the same dimensions. */ + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols + && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); - for (i = 0; i < numrows; i++) { - c0p = jas_matrix_getref(c0, i, 0); - c1p = jas_matrix_getref(c1, i, 0); - c2p = jas_matrix_getref(c2, i, 0); - for (j = numcols; j > 0; --j) { - int r; - int g; - int b; - int y; - int u; - int v; - r = *c0p; - g = *c1p; - b = *c2p; - y = (r + (g << 1) + b) >> 2; - u = b - g; - v = r - g; - *c0p++ = y; - *c1p++ = u; - *c2p++ = v; - } - } + for (i = 0; i < numrows; i++) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + int r; + int g; + int b; + int y; + int u; + int v; + r = *c0p; + g = *c1p; + b = *c2p; + y = (r + (g << 1) + b) >> 2; + u = b - g; + v = r - g; + *c0p++ = y; + *c1p++ = u; + *c2p++ = v; + } + } } /* Compute the inverse RCT. */ void jpc_irct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) { - int numrows; - int numcols; - int i; - int j; - jpc_fix_t *c0p; - jpc_fix_t *c1p; - jpc_fix_t *c2p; + int numrows; + int numcols; + int i; + int j; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; - numrows = jas_matrix_numrows(c0); - numcols = jas_matrix_numcols(c0); + numrows = jas_matrix_numrows(c0); + numcols = jas_matrix_numcols(c0); - /* All three matrices must have the same dimensions. */ - assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols - && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); + /* All three matrices must have the same dimensions. */ + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols + && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); - for (i = 0; i < numrows; i++) { - c0p = jas_matrix_getref(c0, i, 0); - c1p = jas_matrix_getref(c1, i, 0); - c2p = jas_matrix_getref(c2, i, 0); - for (j = numcols; j > 0; --j) { - int r; - int g; - int b; - int y; - int u; - int v; - y = *c0p; - u = *c1p; - v = *c2p; - g = y - ((u + v) >> 2); - r = v + g; - b = u + g; - *c0p++ = r; - *c1p++ = g; - *c2p++ = b; - } - } + for (i = 0; i < numrows; i++) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + int r; + int g; + int b; + int y; + int u; + int v; + y = *c0p; + u = *c1p; + v = *c2p; + g = y - ((u + v) >> 2); + r = v + g; + b = u + g; + *c0p++ = r; + *c1p++ = g; + *c2p++ = b; + } + } } void jpc_ict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) { - int numrows; - int numcols; - int i; - int j; - jpc_fix_t r; - jpc_fix_t g; - jpc_fix_t b; - jpc_fix_t y; - jpc_fix_t u; - jpc_fix_t v; - jpc_fix_t *c0p; - jpc_fix_t *c1p; - jpc_fix_t *c2p; + int numrows; + int numcols; + int i; + int j; + jpc_fix_t r; + jpc_fix_t g; + jpc_fix_t b; + jpc_fix_t y; + jpc_fix_t u; + jpc_fix_t v; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; - numrows = jas_matrix_numrows(c0); - assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); - numcols = jas_matrix_numcols(c0); - assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); - for (i = 0; i < numrows; ++i) { - c0p = jas_matrix_getref(c0, i, 0); - c1p = jas_matrix_getref(c1, i, 0); - c2p = jas_matrix_getref(c2, i, 0); - for (j = numcols; j > 0; --j) { - r = *c0p; - g = *c1p; - b = *c2p; - y = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.299), r), jpc_fix_mul(jpc_dbltofix(0.587), g), - jpc_fix_mul(jpc_dbltofix(0.114), b)); - u = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(-0.16875), r), jpc_fix_mul(jpc_dbltofix(-0.33126), g), - jpc_fix_mul(jpc_dbltofix(0.5), b)); - v = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.5), r), jpc_fix_mul(jpc_dbltofix(-0.41869), g), - jpc_fix_mul(jpc_dbltofix(-0.08131), b)); - *c0p++ = y; - *c1p++ = u; - *c2p++ = v; - } - } + numrows = jas_matrix_numrows(c0); + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); + numcols = jas_matrix_numcols(c0); + assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); + for (i = 0; i < numrows; ++i) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + r = *c0p; + g = *c1p; + b = *c2p; + y = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.299), r), jpc_fix_mul(jpc_dbltofix(0.587), g), + jpc_fix_mul(jpc_dbltofix(0.114), b)); + u = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(-0.16875), r), jpc_fix_mul(jpc_dbltofix(-0.33126), g), + jpc_fix_mul(jpc_dbltofix(0.5), b)); + v = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.5), r), jpc_fix_mul(jpc_dbltofix(-0.41869), g), + jpc_fix_mul(jpc_dbltofix(-0.08131), b)); + *c0p++ = y; + *c1p++ = u; + *c2p++ = v; + } + } } void jpc_iict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) { - int numrows; - int numcols; - int i; - int j; - jpc_fix_t r; - jpc_fix_t g; - jpc_fix_t b; - jpc_fix_t y; - jpc_fix_t u; - jpc_fix_t v; - jpc_fix_t *c0p; - jpc_fix_t *c1p; - jpc_fix_t *c2p; + int numrows; + int numcols; + int i; + int j; + jpc_fix_t r; + jpc_fix_t g; + jpc_fix_t b; + jpc_fix_t y; + jpc_fix_t u; + jpc_fix_t v; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; - numrows = jas_matrix_numrows(c0); - assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); - numcols = jas_matrix_numcols(c0); - assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); - for (i = 0; i < numrows; ++i) { - c0p = jas_matrix_getref(c0, i, 0); - c1p = jas_matrix_getref(c1, i, 0); - c2p = jas_matrix_getref(c2, i, 0); - for (j = numcols; j > 0; --j) { - y = *c0p; - u = *c1p; - v = *c2p; - r = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.402), v)); - g = jpc_fix_add3(y, jpc_fix_mul(jpc_dbltofix(-0.34413), u), - jpc_fix_mul(jpc_dbltofix(-0.71414), v)); - b = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.772), u)); - *c0p++ = r; - *c1p++ = g; - *c2p++ = b; - } - } + numrows = jas_matrix_numrows(c0); + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); + numcols = jas_matrix_numcols(c0); + assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); + for (i = 0; i < numrows; ++i) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + y = *c0p; + u = *c1p; + v = *c2p; + r = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.402), v)); + g = jpc_fix_add3(y, jpc_fix_mul(jpc_dbltofix(-0.34413), u), + jpc_fix_mul(jpc_dbltofix(-0.71414), v)); + b = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.772), u)); + *c0p++ = r; + *c1p++ = g; + *c2p++ = b; + } + } } jpc_fix_t jpc_mct_getsynweight(int mctid, int cmptno) { - jpc_fix_t synweight; + jpc_fix_t synweight; - switch (mctid) { - case JPC_MCT_RCT: - switch (cmptno) { - case 0: - synweight = jpc_dbltofix(sqrt(3.0)); - break; - case 1: - synweight = jpc_dbltofix(sqrt(0.6875)); - break; - case 2: - synweight = jpc_dbltofix(sqrt(0.6875)); - break; - } - break; - case JPC_MCT_ICT: - switch (cmptno) { - case 0: - synweight = jpc_dbltofix(sqrt(3.0000)); - break; - case 1: - synweight = jpc_dbltofix(sqrt(3.2584)); - break; - case 2: - synweight = jpc_dbltofix(sqrt(2.4755)); - break; - } - break; - default: - synweight = JPC_FIX_ONE; - break; - } + switch (mctid) { + case JPC_MCT_RCT: + switch (cmptno) { + case 0: + synweight = jpc_dbltofix(sqrt(3.0)); + break; + case 1: + synweight = jpc_dbltofix(sqrt(0.6875)); + break; + case 2: + synweight = jpc_dbltofix(sqrt(0.6875)); + break; + } + break; + case JPC_MCT_ICT: + switch (cmptno) { + case 0: + synweight = jpc_dbltofix(sqrt(3.0000)); + break; + case 1: + synweight = jpc_dbltofix(sqrt(3.2584)); + break; + case 2: + synweight = jpc_dbltofix(sqrt(2.4755)); + break; + } + break; + default: + synweight = JPC_FIX_ONE; + break; + } - return synweight; + return synweight; } |