diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h b/converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h index 30185506..b207c92b 100644 --- a/converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_mqdec.h @@ -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__ */ @@ -136,32 +136,32 @@ typedef struct { - /* The C register. */ - uint_fast32_t creg; + /* The C register. */ + uint_fast32_t creg; - /* The A register. */ - uint_fast32_t areg; + /* The A register. */ + uint_fast32_t areg; - /* The CT register. */ - uint_fast32_t ctreg; + /* The CT register. */ + uint_fast32_t ctreg; - /* The current context. */ - jpc_mqstate_t **curctx; + /* The current context. */ + jpc_mqstate_t **curctx; - /* The per-context information. */ - jpc_mqstate_t **ctxs; + /* The per-context information. */ + jpc_mqstate_t **ctxs; - /* The maximum number of contexts. */ - int maxctxs; + /* The maximum number of contexts. */ + int maxctxs; - /* The stream from which to read data. */ - jas_stream_t *in; + /* The stream from which to read data. */ + jas_stream_t *in; - /* The last character read. */ - unsigned char inbuffer; + /* The last character read. */ + unsigned char inbuffer; - /* The EOF indicator. */ - int eof; + /* The EOF indicator. */ + int eof; } jpc_mqdec_t; @@ -190,8 +190,8 @@ void jpc_mqdec_init(jpc_mqdec_t *dec); \******************************************************************************/ /* Set the current context for a MQ decoder. */ -#define jpc_mqdec_setcurctx(dec, ctxno) \ - ((mqdec)->curctx = &(mqdec)->ctxs[ctxno]); +#define jpc_mqdec_setcurctx(dec, ctxno) \ + ((mqdec)->curctx = &(mqdec)->ctxs[ctxno]); /* Set the state information for a particular context of a MQ decoder. */ void jpc_mqdec_setctx(jpc_mqdec_t *dec, int ctxno, jpc_mqctx_t *ctx); @@ -205,20 +205,20 @@ void jpc_mqdec_setctxs(jpc_mqdec_t *dec, int numctxs, jpc_mqctx_t *ctxs); /* Decode a symbol. */ #if !defined(DEBUG) -#define jpc_mqdec_getbit(dec) \ - jpc_mqdec_getbit_macro(dec) +#define jpc_mqdec_getbit(dec) \ + jpc_mqdec_getbit_macro(dec) #else -#define jpc_mqdec_getbit(dec) \ - jpc_mqdec_getbit_func(dec) +#define jpc_mqdec_getbit(dec) \ + jpc_mqdec_getbit_func(dec) #endif /* Decode a symbol (assuming an unskewed probability distribution). */ #if !defined(DEBUG) -#define jpc_mqdec_getbitnoskew(dec) \ - jpc_mqdec_getbit_macro(dec) +#define jpc_mqdec_getbitnoskew(dec) \ + jpc_mqdec_getbit_macro(dec) #else -#define jpc_mqdec_getbitnoskew(dec) \ - jpc_mqdec_getbit_func(dec) +#define jpc_mqdec_getbitnoskew(dec) \ + jpc_mqdec_getbit_func(dec) #endif /******************************************************************************\ @@ -234,83 +234,83 @@ void mqdec_dump(jpc_mqdec_t *dec, FILE *out); * GIVEN BELOW. \******************************************************************************/ -#define jpc_mqdec_getbit_macro(dec) \ - ((((dec)->areg -= (*(dec)->curctx)->qeval), \ - (dec)->creg >> 16 >= (*(dec)->curctx)->qeval) ? \ - ((((dec)->creg -= (*(dec)->curctx)->qeval << 16), \ - (dec)->areg & 0x8000) ? (*(dec)->curctx)->mps : \ - jpc_mqdec_mpsexchrenormd(dec)) : \ - jpc_mqdec_lpsexchrenormd(dec)) +#define jpc_mqdec_getbit_macro(dec) \ + ((((dec)->areg -= (*(dec)->curctx)->qeval), \ + (dec)->creg >> 16 >= (*(dec)->curctx)->qeval) ? \ + ((((dec)->creg -= (*(dec)->curctx)->qeval << 16), \ + (dec)->areg & 0x8000) ? (*(dec)->curctx)->mps : \ + jpc_mqdec_mpsexchrenormd(dec)) : \ + jpc_mqdec_lpsexchrenormd(dec)) -#define jpc_mqdec_mpsexchange(areg, delta, curctx, bit) \ +#define jpc_mqdec_mpsexchange(areg, delta, curctx, bit) \ { \ - if ((areg) < (delta)) { \ - register jpc_mqstate_t *state = *(curctx); \ - /* LPS decoded. */ \ - (bit) = state->mps ^ 1; \ - *(curctx) = state->nlps; \ - } else { \ - register jpc_mqstate_t *state = *(curctx); \ - /* MPS decoded. */ \ - (bit) = state->mps; \ - *(curctx) = state->nmps; \ - } \ + if ((areg) < (delta)) { \ + register jpc_mqstate_t *state = *(curctx); \ + /* LPS decoded. */ \ + (bit) = state->mps ^ 1; \ + *(curctx) = state->nlps; \ + } else { \ + register jpc_mqstate_t *state = *(curctx); \ + /* MPS decoded. */ \ + (bit) = state->mps; \ + *(curctx) = state->nmps; \ + } \ } -#define jpc_mqdec_lpsexchange(areg, delta, curctx, bit) \ +#define jpc_mqdec_lpsexchange(areg, delta, curctx, bit) \ { \ - if ((areg) >= (delta)) { \ - register jpc_mqstate_t *state = *(curctx); \ - (areg) = (delta); \ - (bit) = state->mps ^ 1; \ - *(curctx) = state->nlps; \ - } else { \ - register jpc_mqstate_t *state = *(curctx); \ - (areg) = (delta); \ - (bit) = state->mps; \ - *(curctx) = state->nmps; \ - } \ + if ((areg) >= (delta)) { \ + register jpc_mqstate_t *state = *(curctx); \ + (areg) = (delta); \ + (bit) = state->mps ^ 1; \ + *(curctx) = state->nlps; \ + } else { \ + register jpc_mqstate_t *state = *(curctx); \ + (areg) = (delta); \ + (bit) = state->mps; \ + *(curctx) = state->nmps; \ + } \ } -#define jpc_mqdec_renormd(areg, creg, ctreg, in, eof, inbuf) \ +#define jpc_mqdec_renormd(areg, creg, ctreg, in, eof, inbuf) \ { \ - do { \ - if (!(ctreg)) { \ - jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf); \ - } \ - (areg) <<= 1; \ - (creg) <<= 1; \ - --(ctreg); \ - } while (!((areg) & 0x8000)); \ + do { \ + if (!(ctreg)) { \ + jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf); \ + } \ + (areg) <<= 1; \ + (creg) <<= 1; \ + --(ctreg); \ + } while (!((areg) & 0x8000)); \ } -#define jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf) \ +#define jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf) \ { \ - int c; \ - unsigned char prevbuf; \ - if (!(eof)) { \ - if ((c = jas_stream_getc(in)) == EOF) { \ - (eof) = 1; \ - c = 0xff; \ - } \ - prevbuf = (inbuf); \ - (inbuf) = c; \ - if (prevbuf == 0xff) { \ - if (c > 0x8f) { \ - (creg) += 0xff00; \ - (ctreg) = 8; \ - } else { \ - (creg) += c << 9; \ - (ctreg) = 7; \ - } \ - } else { \ - (creg) += c << 8; \ - (ctreg) = 8; \ - } \ - } else { \ - (creg) += 0xff00; \ - (ctreg) = 8; \ - } \ + int c; \ + unsigned char prevbuf; \ + if (!(eof)) { \ + if ((c = jas_stream_getc(in)) == EOF) { \ + (eof) = 1; \ + c = 0xff; \ + } \ + prevbuf = (inbuf); \ + (inbuf) = c; \ + if (prevbuf == 0xff) { \ + if (c > 0x8f) { \ + (creg) += 0xff00; \ + (ctreg) = 8; \ + } else { \ + (creg) += c << 9; \ + (ctreg) = 7; \ + } \ + } else { \ + (creg) += c << 8; \ + (ctreg) = 8; \ + } \ + } else { \ + (creg) += 0xff00; \ + (ctreg) = 8; \ + } \ } int jpc_mqdec_getbit_func(jpc_mqdec_t *dec); |