diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c | 392 |
1 files changed, 196 insertions, 196 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c b/converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c index 0219a000..3f6122e3 100644 --- a/converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_mqenc.c @@ -135,91 +135,91 @@ \******************************************************************************/ #if defined(DEBUG) -#define JPC_MQENC_CALL(n, x) \ - ((jas_getdbglevel() >= (n)) ? ((void)(x)) : ((void)0)) +#define JPC_MQENC_CALL(n, x) \ + ((jas_getdbglevel() >= (n)) ? ((void)(x)) : ((void)0)) #else -#define JPC_MQENC_CALL(n, x) +#define JPC_MQENC_CALL(n, x) #endif -#define jpc_mqenc_codemps9(areg, creg, ctreg, curctx, enc) \ +#define jpc_mqenc_codemps9(areg, creg, ctreg, curctx, enc) \ { \ - jpc_mqstate_t *state = *(curctx); \ - (areg) -= state->qeval; \ - if (!((areg) & 0x8000)) { \ - if ((areg) < state->qeval) { \ - (areg) = state->qeval; \ - } else { \ - (creg) += state->qeval; \ - } \ - *(curctx) = state->nmps; \ - jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ - } else { \ - (creg) += state->qeval; \ - } \ + jpc_mqstate_t *state = *(curctx); \ + (areg) -= state->qeval; \ + if (!((areg) & 0x8000)) { \ + if ((areg) < state->qeval) { \ + (areg) = state->qeval; \ + } else { \ + (creg) += state->qeval; \ + } \ + *(curctx) = state->nmps; \ + jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ + } else { \ + (creg) += state->qeval; \ + } \ } -#define jpc_mqenc_codelps2(areg, creg, ctreg, curctx, enc) \ +#define jpc_mqenc_codelps2(areg, creg, ctreg, curctx, enc) \ { \ - jpc_mqstate_t *state = *(curctx); \ - (areg) -= state->qeval; \ - if ((areg) < state->qeval) { \ - (creg) += state->qeval; \ - } else { \ - (areg) = state->qeval; \ - } \ - *(curctx) = state->nlps; \ - jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ + jpc_mqstate_t *state = *(curctx); \ + (areg) -= state->qeval; \ + if ((areg) < state->qeval) { \ + (creg) += state->qeval; \ + } else { \ + (areg) = state->qeval; \ + } \ + *(curctx) = state->nlps; \ + jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ } -#define jpc_mqenc_renorme(areg, creg, ctreg, enc) \ +#define jpc_mqenc_renorme(areg, creg, ctreg, enc) \ { \ - do { \ - (areg) <<= 1; \ - (creg) <<= 1; \ - if (!--(ctreg)) { \ - jpc_mqenc_byteout((areg), (creg), (ctreg), (enc)); \ - } \ - } while (!((areg) & 0x8000)); \ + do { \ + (areg) <<= 1; \ + (creg) <<= 1; \ + if (!--(ctreg)) { \ + jpc_mqenc_byteout((areg), (creg), (ctreg), (enc)); \ + } \ + } while (!((areg) & 0x8000)); \ } -#define jpc_mqenc_byteout(areg, creg, ctreg, enc) \ +#define jpc_mqenc_byteout(areg, creg, ctreg, enc) \ { \ - if ((enc)->outbuf != 0xff) { \ - if ((creg) & 0x8000000) { \ - if (++((enc)->outbuf) == 0xff) { \ - (creg) &= 0x7ffffff; \ - jpc_mqenc_byteout2(enc); \ - enc->outbuf = ((creg) >> 20) & 0xff; \ - (creg) &= 0xfffff; \ - (ctreg) = 7; \ - } else { \ - jpc_mqenc_byteout2(enc); \ - enc->outbuf = ((creg) >> 19) & 0xff; \ - (creg) &= 0x7ffff; \ - (ctreg) = 8; \ - } \ - } else { \ - jpc_mqenc_byteout2(enc); \ - (enc)->outbuf = ((creg) >> 19) & 0xff; \ - (creg) &= 0x7ffff; \ - (ctreg) = 8; \ - } \ - } else { \ - jpc_mqenc_byteout2(enc); \ - (enc)->outbuf = ((creg) >> 20) & 0xff; \ - (creg) &= 0xfffff; \ - (ctreg) = 7; \ - } \ + if ((enc)->outbuf != 0xff) { \ + if ((creg) & 0x8000000) { \ + if (++((enc)->outbuf) == 0xff) { \ + (creg) &= 0x7ffffff; \ + jpc_mqenc_byteout2(enc); \ + enc->outbuf = ((creg) >> 20) & 0xff; \ + (creg) &= 0xfffff; \ + (ctreg) = 7; \ + } else { \ + jpc_mqenc_byteout2(enc); \ + enc->outbuf = ((creg) >> 19) & 0xff; \ + (creg) &= 0x7ffff; \ + (ctreg) = 8; \ + } \ + } else { \ + jpc_mqenc_byteout2(enc); \ + (enc)->outbuf = ((creg) >> 19) & 0xff; \ + (creg) &= 0x7ffff; \ + (ctreg) = 8; \ + } \ + } else { \ + jpc_mqenc_byteout2(enc); \ + (enc)->outbuf = ((creg) >> 20) & 0xff; \ + (creg) &= 0xfffff; \ + (ctreg) = 7; \ + } \ } -#define jpc_mqenc_byteout2(enc) \ +#define jpc_mqenc_byteout2(enc) \ { \ - if (enc->outbuf >= 0) { \ - if (jas_stream_putc(enc->out, (unsigned char)enc->outbuf) == EOF) { \ - enc->err |= 1; \ - } \ - } \ - enc->lastbyte = enc->outbuf; \ + if (enc->outbuf >= 0) { \ + if (jas_stream_putc(enc->out, (unsigned char)enc->outbuf) == EOF) { \ + enc->err |= 1; \ + } \ + } \ + enc->lastbyte = enc->outbuf; \ } /******************************************************************************\ @@ -236,45 +236,45 @@ static void jpc_mqenc_setbits(jpc_mqenc_t *mqenc); jpc_mqenc_t *jpc_mqenc_create(int maxctxs, jas_stream_t *out) { - jpc_mqenc_t *mqenc; + jpc_mqenc_t *mqenc; - /* Allocate memory for the MQ encoder. */ - if (!(mqenc = jas_malloc(sizeof(jpc_mqenc_t)))) { - goto error; - } - mqenc->out = out; - mqenc->maxctxs = maxctxs; + /* Allocate memory for the MQ encoder. */ + if (!(mqenc = jas_malloc(sizeof(jpc_mqenc_t)))) { + goto error; + } + mqenc->out = out; + mqenc->maxctxs = maxctxs; - /* Allocate memory for the per-context state information. */ - if (!(mqenc->ctxs = jas_malloc(mqenc->maxctxs * sizeof(jpc_mqstate_t *)))) { - goto error; - } + /* Allocate memory for the per-context state information. */ + if (!(mqenc->ctxs = jas_malloc(mqenc->maxctxs * sizeof(jpc_mqstate_t *)))) { + goto error; + } - /* Set the current context to the first one. */ - mqenc->curctx = mqenc->ctxs; + /* Set the current context to the first one. */ + mqenc->curctx = mqenc->ctxs; - jpc_mqenc_init(mqenc); + jpc_mqenc_init(mqenc); - /* Initialize the per-context state information to something sane. */ - jpc_mqenc_setctxs(mqenc, 0, 0); + /* Initialize the per-context state information to something sane. */ + jpc_mqenc_setctxs(mqenc, 0, 0); - return mqenc; + return mqenc; error: - if (mqenc) { - jpc_mqenc_destroy(mqenc); - } - return 0; + if (mqenc) { + jpc_mqenc_destroy(mqenc); + } + return 0; } /* Destroy a MQ encoder. */ void jpc_mqenc_destroy(jpc_mqenc_t *mqenc) { - if (mqenc->ctxs) { - jas_free(mqenc->ctxs); - } - jas_free(mqenc); + if (mqenc->ctxs) { + jas_free(mqenc->ctxs); + } + jas_free(mqenc); } /******************************************************************************\ @@ -285,33 +285,33 @@ void jpc_mqenc_destroy(jpc_mqenc_t *mqenc) void jpc_mqenc_init(jpc_mqenc_t *mqenc) { - mqenc->areg = 0x8000; - mqenc->outbuf = -1; - mqenc->creg = 0; - mqenc->ctreg = 12; - mqenc->lastbyte = -1; - mqenc->err = 0; + mqenc->areg = 0x8000; + mqenc->outbuf = -1; + mqenc->creg = 0; + mqenc->ctreg = 12; + mqenc->lastbyte = -1; + mqenc->err = 0; } /* Initialize one or more contexts. */ void jpc_mqenc_setctxs(jpc_mqenc_t *mqenc, int numctxs, jpc_mqctx_t *ctxs) { - jpc_mqstate_t **ctx; - int n; - - ctx = mqenc->ctxs; - n = JAS_MIN(mqenc->maxctxs, numctxs); - while (--n >= 0) { - *ctx = &jpc_mqstates[2 * ctxs->ind + ctxs->mps]; - ++ctx; - ++ctxs; - } - n = mqenc->maxctxs - numctxs; - while (--n >= 0) { - *ctx = &jpc_mqstates[0]; - ++ctx; - } + jpc_mqstate_t **ctx; + int n; + + ctx = mqenc->ctxs; + n = JAS_MIN(mqenc->maxctxs, numctxs); + while (--n >= 0) { + *ctx = &jpc_mqstates[2 * ctxs->ind + ctxs->mps]; + ++ctx; + ++ctxs; + } + n = mqenc->maxctxs - numctxs; + while (--n >= 0) { + *ctx = &jpc_mqstates[0]; + ++ctx; + } } @@ -319,10 +319,10 @@ void jpc_mqenc_setctxs(jpc_mqenc_t *mqenc, int numctxs, jpc_mqctx_t *ctxs) void jpc_mqenc_getstate(jpc_mqenc_t *mqenc, jpc_mqencstate_t *state) { - state->areg = mqenc->areg; - state->creg = mqenc->creg; - state->ctreg = mqenc->ctreg; - state->lastbyte = mqenc->lastbyte; + state->areg = mqenc->areg; + state->creg = mqenc->creg; + state->ctreg = mqenc->ctreg; + state->lastbyte = mqenc->lastbyte; } /******************************************************************************\ @@ -333,49 +333,49 @@ void jpc_mqenc_getstate(jpc_mqenc_t *mqenc, jpc_mqencstate_t *state) int jpc_mqenc_putbit_func(jpc_mqenc_t *mqenc, int bit) { - const jpc_mqstate_t *state; - JAS_DBGLOG(100, ("jpc_mqenc_putbit(%p, %d)\n", mqenc, bit)); - JPC_MQENC_CALL(100, jpc_mqenc_dump(mqenc, stderr)); - - state = *(mqenc->curctx); - - if (state->mps == bit) { - /* Apply the CODEMPS algorithm as defined in the standard. */ - mqenc->areg -= state->qeval; - if (!(mqenc->areg & 0x8000)) { - jpc_mqenc_codemps2(mqenc); - } else { - mqenc->creg += state->qeval; - } - } else { - /* Apply the CODELPS algorithm as defined in the standard. */ - jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); - } - - return jpc_mqenc_error(mqenc) ? (-1) : 0; + const jpc_mqstate_t *state; + JAS_DBGLOG(100, ("jpc_mqenc_putbit(%p, %d)\n", mqenc, bit)); + JPC_MQENC_CALL(100, jpc_mqenc_dump(mqenc, stderr)); + + state = *(mqenc->curctx); + + if (state->mps == bit) { + /* Apply the CODEMPS algorithm as defined in the standard. */ + mqenc->areg -= state->qeval; + if (!(mqenc->areg & 0x8000)) { + jpc_mqenc_codemps2(mqenc); + } else { + mqenc->creg += state->qeval; + } + } else { + /* Apply the CODELPS algorithm as defined in the standard. */ + jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); + } + + return jpc_mqenc_error(mqenc) ? (-1) : 0; } int jpc_mqenc_codemps2(jpc_mqenc_t *mqenc) { - /* Note: This function only performs part of the work associated with - the CODEMPS algorithm from the standard. Some of the work is also - performed by the caller. */ - - jpc_mqstate_t *state = *(mqenc->curctx); - if (mqenc->areg < state->qeval) { - mqenc->areg = state->qeval; - } else { - mqenc->creg += state->qeval; - } - *mqenc->curctx = state->nmps; - jpc_mqenc_renorme(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); - return jpc_mqenc_error(mqenc) ? (-1) : 0; + /* Note: This function only performs part of the work associated with + the CODEMPS algorithm from the standard. Some of the work is also + performed by the caller. */ + + jpc_mqstate_t *state = *(mqenc->curctx); + if (mqenc->areg < state->qeval) { + mqenc->areg = state->qeval; + } else { + mqenc->creg += state->qeval; + } + *mqenc->curctx = state->nmps; + jpc_mqenc_renorme(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + return jpc_mqenc_error(mqenc) ? (-1) : 0; } int jpc_mqenc_codelps(jpc_mqenc_t *mqenc) { - jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); - return jpc_mqenc_error(mqenc) ? (-1) : 0; + jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); + return jpc_mqenc_error(mqenc) ? (-1) : 0; } /******************************************************************************\ @@ -386,56 +386,56 @@ int jpc_mqenc_codelps(jpc_mqenc_t *mqenc) int jpc_mqenc_flush(jpc_mqenc_t *mqenc, int termmode) { - int_fast16_t k; - - switch (termmode) { - case JPC_MQENC_PTERM: - k = 11 - mqenc->ctreg + 1; - while (k > 0) { - mqenc->creg <<= mqenc->ctreg; - mqenc->ctreg = 0; - jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, - mqenc); - k -= mqenc->ctreg; - } - if (mqenc->outbuf != 0xff) { - jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); - } - break; - case JPC_MQENC_DEFTERM: - jpc_mqenc_setbits(mqenc); - mqenc->creg <<= mqenc->ctreg; - jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); - mqenc->creg <<= mqenc->ctreg; - jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); - if (mqenc->outbuf != 0xff) { - jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); - } - break; - default: - abort(); - break; - } - return 0; + int_fast16_t k; + + switch (termmode) { + case JPC_MQENC_PTERM: + k = 11 - mqenc->ctreg + 1; + while (k > 0) { + mqenc->creg <<= mqenc->ctreg; + mqenc->ctreg = 0; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, + mqenc); + k -= mqenc->ctreg; + } + if (mqenc->outbuf != 0xff) { + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + } + break; + case JPC_MQENC_DEFTERM: + jpc_mqenc_setbits(mqenc); + mqenc->creg <<= mqenc->ctreg; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + mqenc->creg <<= mqenc->ctreg; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + if (mqenc->outbuf != 0xff) { + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + } + break; + default: + abort(); + break; + } + return 0; } static void jpc_mqenc_setbits(jpc_mqenc_t *mqenc) { - uint_fast32_t tmp = mqenc->creg + mqenc->areg; - mqenc->creg |= 0xffff; - if (mqenc->creg >= tmp) { - mqenc->creg -= 0x8000; - } + uint_fast32_t tmp = mqenc->creg + mqenc->areg; + mqenc->creg |= 0xffff; + if (mqenc->creg >= tmp) { + mqenc->creg -= 0x8000; + } } /* Dump a MQ encoder to a stream for debugging. */ int jpc_mqenc_dump(jpc_mqenc_t *mqenc, FILE *out) { - fprintf(out, "AREG = %08x, CREG = %08x, CTREG = %d\n", - mqenc->areg, mqenc->creg, mqenc->ctreg); - fprintf(out, "IND = %02d, MPS = %d, QEVAL = %04x\n", - *mqenc->curctx - jpc_mqstates, (*mqenc->curctx)->mps, - (*mqenc->curctx)->qeval); - return 0; + fprintf(out, "AREG = %08x, CREG = %08x, CTREG = %d\n", + (unsigned)mqenc->areg, (unsigned)mqenc->creg, (int)mqenc->ctreg); + fprintf(out, "IND = %02d, MPS = %d, QEVAL = %04x\n", + (int)(*mqenc->curctx - jpc_mqstates), (int)(*mqenc->curctx)->mps, + (unsigned)(*mqenc->curctx)->qeval); + return 0; } |