diff options
| author | Sebastien Lugan <slugan@users.noreply.github.com> | 2004-04-29 13:27:24 +0000 |
|---|---|---|
| committer | Sebastien Lugan <slugan@users.noreply.github.com> | 2004-04-29 13:27:24 +0000 |
| commit | 64c34e0d5260ef8e4dee4638458431aec0e1e614 (patch) | |
| tree | be55a288cf2553bc3e116439878e3c8ed090c0ad /libopenjpeg/mqc.c | |
| parent | ec9bd9f6a455a83da8c2c77f5b2628b416cca18f (diff) | |
Reformatage : indent -kr -i2 -ci2 $(find . -name '*.c') $(find . -name '*.h')
Diffstat (limited to 'libopenjpeg/mqc.c')
| -rw-r--r-- | libopenjpeg/mqc.c | 636 |
1 files changed, 318 insertions, 318 deletions
diff --git a/libopenjpeg/mqc.c b/libopenjpeg/mqc.c index 57cd8151..511284ce 100644 --- a/libopenjpeg/mqc.c +++ b/libopenjpeg/mqc.c @@ -33,110 +33,110 @@ /* This struct defines the state of a context. */ /* </summary> */ typedef struct mqc_state_s { - unsigned int qeval; /* the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */ - int mps; /* the Most Probable Symbol (0 or 1) */ - struct mqc_state_s *nmps; /* next state if the next encoded symbol is the MPS */ - struct mqc_state_s *nlps; /* next state if the next encoded symbol is the LPS */ + unsigned int qeval; /* the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */ + int mps; /* the Most Probable Symbol (0 or 1) */ + struct mqc_state_s *nmps; /* next state if the next encoded symbol is the MPS */ + struct mqc_state_s *nlps; /* next state if the next encoded symbol is the LPS */ } mqc_state_t; /* <summary> */ /* This array defines all the possible states for a context. */ /* </summary> */ mqc_state_t mqc_states[47 * 2] = { - {0x5601, 0, &mqc_states[2], &mqc_states[3]}, - {0x5601, 1, &mqc_states[3], &mqc_states[2]}, - {0x3401, 0, &mqc_states[4], &mqc_states[12]}, - {0x3401, 1, &mqc_states[5], &mqc_states[13]}, - {0x1801, 0, &mqc_states[6], &mqc_states[18]}, - {0x1801, 1, &mqc_states[7], &mqc_states[19]}, - {0x0ac1, 0, &mqc_states[8], &mqc_states[24]}, - {0x0ac1, 1, &mqc_states[9], &mqc_states[25]}, - {0x0521, 0, &mqc_states[10], &mqc_states[58]}, - {0x0521, 1, &mqc_states[11], &mqc_states[59]}, - {0x0221, 0, &mqc_states[76], &mqc_states[66]}, - {0x0221, 1, &mqc_states[77], &mqc_states[67]}, - {0x5601, 0, &mqc_states[14], &mqc_states[13]}, - {0x5601, 1, &mqc_states[15], &mqc_states[12]}, - {0x5401, 0, &mqc_states[16], &mqc_states[28]}, - {0x5401, 1, &mqc_states[17], &mqc_states[29]}, - {0x4801, 0, &mqc_states[18], &mqc_states[28]}, - {0x4801, 1, &mqc_states[19], &mqc_states[29]}, - {0x3801, 0, &mqc_states[20], &mqc_states[28]}, - {0x3801, 1, &mqc_states[21], &mqc_states[29]}, - {0x3001, 0, &mqc_states[22], &mqc_states[34]}, - {0x3001, 1, &mqc_states[23], &mqc_states[35]}, - {0x2401, 0, &mqc_states[24], &mqc_states[36]}, - {0x2401, 1, &mqc_states[25], &mqc_states[37]}, - {0x1c01, 0, &mqc_states[26], &mqc_states[40]}, - {0x1c01, 1, &mqc_states[27], &mqc_states[41]}, - {0x1601, 0, &mqc_states[58], &mqc_states[42]}, - {0x1601, 1, &mqc_states[59], &mqc_states[43]}, - {0x5601, 0, &mqc_states[30], &mqc_states[29]}, - {0x5601, 1, &mqc_states[31], &mqc_states[28]}, - {0x5401, 0, &mqc_states[32], &mqc_states[28]}, - {0x5401, 1, &mqc_states[33], &mqc_states[29]}, - {0x5101, 0, &mqc_states[34], &mqc_states[30]}, - {0x5101, 1, &mqc_states[35], &mqc_states[31]}, - {0x4801, 0, &mqc_states[36], &mqc_states[32]}, - {0x4801, 1, &mqc_states[37], &mqc_states[33]}, - {0x3801, 0, &mqc_states[38], &mqc_states[34]}, - {0x3801, 1, &mqc_states[39], &mqc_states[35]}, - {0x3401, 0, &mqc_states[40], &mqc_states[36]}, - {0x3401, 1, &mqc_states[41], &mqc_states[37]}, - {0x3001, 0, &mqc_states[42], &mqc_states[38]}, - {0x3001, 1, &mqc_states[43], &mqc_states[39]}, - {0x2801, 0, &mqc_states[44], &mqc_states[38]}, - {0x2801, 1, &mqc_states[45], &mqc_states[39]}, - {0x2401, 0, &mqc_states[46], &mqc_states[40]}, - {0x2401, 1, &mqc_states[47], &mqc_states[41]}, - {0x2201, 0, &mqc_states[48], &mqc_states[42]}, - {0x2201, 1, &mqc_states[49], &mqc_states[43]}, - {0x1c01, 0, &mqc_states[50], &mqc_states[44]}, - {0x1c01, 1, &mqc_states[51], &mqc_states[45]}, - {0x1801, 0, &mqc_states[52], &mqc_states[46]}, - {0x1801, 1, &mqc_states[53], &mqc_states[47]}, - {0x1601, 0, &mqc_states[54], &mqc_states[48]}, - {0x1601, 1, &mqc_states[55], &mqc_states[49]}, - {0x1401, 0, &mqc_states[56], &mqc_states[50]}, - {0x1401, 1, &mqc_states[57], &mqc_states[51]}, - {0x1201, 0, &mqc_states[58], &mqc_states[52]}, - {0x1201, 1, &mqc_states[59], &mqc_states[53]}, - {0x1101, 0, &mqc_states[60], &mqc_states[54]}, - {0x1101, 1, &mqc_states[61], &mqc_states[55]}, - {0x0ac1, 0, &mqc_states[62], &mqc_states[56]}, - {0x0ac1, 1, &mqc_states[63], &mqc_states[57]}, - {0x09c1, 0, &mqc_states[64], &mqc_states[58]}, - {0x09c1, 1, &mqc_states[65], &mqc_states[59]}, - {0x08a1, 0, &mqc_states[66], &mqc_states[60]}, - {0x08a1, 1, &mqc_states[67], &mqc_states[61]}, - {0x0521, 0, &mqc_states[68], &mqc_states[62]}, - {0x0521, 1, &mqc_states[69], &mqc_states[63]}, - {0x0441, 0, &mqc_states[70], &mqc_states[64]}, - {0x0441, 1, &mqc_states[71], &mqc_states[65]}, - {0x02a1, 0, &mqc_states[72], &mqc_states[66]}, - {0x02a1, 1, &mqc_states[73], &mqc_states[67]}, - {0x0221, 0, &mqc_states[74], &mqc_states[68]}, - {0x0221, 1, &mqc_states[75], &mqc_states[69]}, - {0x0141, 0, &mqc_states[76], &mqc_states[70]}, - {0x0141, 1, &mqc_states[77], &mqc_states[71]}, - {0x0111, 0, &mqc_states[78], &mqc_states[72]}, - {0x0111, 1, &mqc_states[79], &mqc_states[73]}, - {0x0085, 0, &mqc_states[80], &mqc_states[74]}, - {0x0085, 1, &mqc_states[81], &mqc_states[75]}, - {0x0049, 0, &mqc_states[82], &mqc_states[76]}, - {0x0049, 1, &mqc_states[83], &mqc_states[77]}, - {0x0025, 0, &mqc_states[84], &mqc_states[78]}, - {0x0025, 1, &mqc_states[85], &mqc_states[79]}, - {0x0015, 0, &mqc_states[86], &mqc_states[80]}, - {0x0015, 1, &mqc_states[87], &mqc_states[81]}, - {0x0009, 0, &mqc_states[88], &mqc_states[82]}, - {0x0009, 1, &mqc_states[89], &mqc_states[83]}, - {0x0005, 0, &mqc_states[90], &mqc_states[84]}, - {0x0005, 1, &mqc_states[91], &mqc_states[85]}, - {0x0001, 0, &mqc_states[90], &mqc_states[86]}, - {0x0001, 1, &mqc_states[91], &mqc_states[87]}, - {0x5601, 0, &mqc_states[92], &mqc_states[92]}, - {0x5601, 1, &mqc_states[93], &mqc_states[93]}, + {0x5601, 0, &mqc_states[2], &mqc_states[3]}, + {0x5601, 1, &mqc_states[3], &mqc_states[2]}, + {0x3401, 0, &mqc_states[4], &mqc_states[12]}, + {0x3401, 1, &mqc_states[5], &mqc_states[13]}, + {0x1801, 0, &mqc_states[6], &mqc_states[18]}, + {0x1801, 1, &mqc_states[7], &mqc_states[19]}, + {0x0ac1, 0, &mqc_states[8], &mqc_states[24]}, + {0x0ac1, 1, &mqc_states[9], &mqc_states[25]}, + {0x0521, 0, &mqc_states[10], &mqc_states[58]}, + {0x0521, 1, &mqc_states[11], &mqc_states[59]}, + {0x0221, 0, &mqc_states[76], &mqc_states[66]}, + {0x0221, 1, &mqc_states[77], &mqc_states[67]}, + {0x5601, 0, &mqc_states[14], &mqc_states[13]}, + {0x5601, 1, &mqc_states[15], &mqc_states[12]}, + {0x5401, 0, &mqc_states[16], &mqc_states[28]}, + {0x5401, 1, &mqc_states[17], &mqc_states[29]}, + {0x4801, 0, &mqc_states[18], &mqc_states[28]}, + {0x4801, 1, &mqc_states[19], &mqc_states[29]}, + {0x3801, 0, &mqc_states[20], &mqc_states[28]}, + {0x3801, 1, &mqc_states[21], &mqc_states[29]}, + {0x3001, 0, &mqc_states[22], &mqc_states[34]}, + {0x3001, 1, &mqc_states[23], &mqc_states[35]}, + {0x2401, 0, &mqc_states[24], &mqc_states[36]}, + {0x2401, 1, &mqc_states[25], &mqc_states[37]}, + {0x1c01, 0, &mqc_states[26], &mqc_states[40]}, + {0x1c01, 1, &mqc_states[27], &mqc_states[41]}, + {0x1601, 0, &mqc_states[58], &mqc_states[42]}, + {0x1601, 1, &mqc_states[59], &mqc_states[43]}, + {0x5601, 0, &mqc_states[30], &mqc_states[29]}, + {0x5601, 1, &mqc_states[31], &mqc_states[28]}, + {0x5401, 0, &mqc_states[32], &mqc_states[28]}, + {0x5401, 1, &mqc_states[33], &mqc_states[29]}, + {0x5101, 0, &mqc_states[34], &mqc_states[30]}, + {0x5101, 1, &mqc_states[35], &mqc_states[31]}, + {0x4801, 0, &mqc_states[36], &mqc_states[32]}, + {0x4801, 1, &mqc_states[37], &mqc_states[33]}, + {0x3801, 0, &mqc_states[38], &mqc_states[34]}, + {0x3801, 1, &mqc_states[39], &mqc_states[35]}, + {0x3401, 0, &mqc_states[40], &mqc_states[36]}, + {0x3401, 1, &mqc_states[41], &mqc_states[37]}, + {0x3001, 0, &mqc_states[42], &mqc_states[38]}, + {0x3001, 1, &mqc_states[43], &mqc_states[39]}, + {0x2801, 0, &mqc_states[44], &mqc_states[38]}, + {0x2801, 1, &mqc_states[45], &mqc_states[39]}, + {0x2401, 0, &mqc_states[46], &mqc_states[40]}, + {0x2401, 1, &mqc_states[47], &mqc_states[41]}, + {0x2201, 0, &mqc_states[48], &mqc_states[42]}, + {0x2201, 1, &mqc_states[49], &mqc_states[43]}, + {0x1c01, 0, &mqc_states[50], &mqc_states[44]}, + {0x1c01, 1, &mqc_states[51], &mqc_states[45]}, + {0x1801, 0, &mqc_states[52], &mqc_states[46]}, + {0x1801, 1, &mqc_states[53], &mqc_states[47]}, + {0x1601, 0, &mqc_states[54], &mqc_states[48]}, + {0x1601, 1, &mqc_states[55], &mqc_states[49]}, + {0x1401, 0, &mqc_states[56], &mqc_states[50]}, + {0x1401, 1, &mqc_states[57], &mqc_states[51]}, + {0x1201, 0, &mqc_states[58], &mqc_states[52]}, + {0x1201, 1, &mqc_states[59], &mqc_states[53]}, + {0x1101, 0, &mqc_states[60], &mqc_states[54]}, + {0x1101, 1, &mqc_states[61], &mqc_states[55]}, + {0x0ac1, 0, &mqc_states[62], &mqc_states[56]}, + {0x0ac1, 1, &mqc_states[63], &mqc_states[57]}, + {0x09c1, 0, &mqc_states[64], &mqc_states[58]}, + {0x09c1, 1, &mqc_states[65], &mqc_states[59]}, + {0x08a1, 0, &mqc_states[66], &mqc_states[60]}, + {0x08a1, 1, &mqc_states[67], &mqc_states[61]}, + {0x0521, 0, &mqc_states[68], &mqc_states[62]}, + {0x0521, 1, &mqc_states[69], &mqc_states[63]}, + {0x0441, 0, &mqc_states[70], &mqc_states[64]}, + {0x0441, 1, &mqc_states[71], &mqc_states[65]}, + {0x02a1, 0, &mqc_states[72], &mqc_states[66]}, + {0x02a1, 1, &mqc_states[73], &mqc_states[67]}, + {0x0221, 0, &mqc_states[74], &mqc_states[68]}, + {0x0221, 1, &mqc_states[75], &mqc_states[69]}, + {0x0141, 0, &mqc_states[76], &mqc_states[70]}, + {0x0141, 1, &mqc_states[77], &mqc_states[71]}, + {0x0111, 0, &mqc_states[78], &mqc_states[72]}, + {0x0111, 1, &mqc_states[79], &mqc_states[73]}, + {0x0085, 0, &mqc_states[80], &mqc_states[74]}, + {0x0085, 1, &mqc_states[81], &mqc_states[75]}, + {0x0049, 0, &mqc_states[82], &mqc_states[76]}, + {0x0049, 1, &mqc_states[83], &mqc_states[77]}, + {0x0025, 0, &mqc_states[84], &mqc_states[78]}, + {0x0025, 1, &mqc_states[85], &mqc_states[79]}, + {0x0015, 0, &mqc_states[86], &mqc_states[80]}, + {0x0015, 1, &mqc_states[87], &mqc_states[81]}, + {0x0009, 0, &mqc_states[88], &mqc_states[82]}, + {0x0009, 1, &mqc_states[89], &mqc_states[83]}, + {0x0005, 0, &mqc_states[90], &mqc_states[84]}, + {0x0005, 1, &mqc_states[91], &mqc_states[85]}, + {0x0001, 0, &mqc_states[90], &mqc_states[86]}, + {0x0001, 1, &mqc_states[91], &mqc_states[87]}, + {0x5601, 0, &mqc_states[92], &mqc_states[92]}, + {0x5601, 1, &mqc_states[93], &mqc_states[93]}, }; #define MQC_NUMCTXS 32 @@ -155,7 +155,7 @@ mqc_state_t **mqc_curctx; /* </summary> */ int mqc_numbytes() { - return mqc_bp - mqc_start; + return mqc_bp - mqc_start; } /* <summary> */ @@ -164,33 +164,33 @@ int mqc_numbytes() /* </summary> */ void mqc_byteout() { - if (*mqc_bp == 0xff) { + if (*mqc_bp == 0xff) { + mqc_bp++; + *mqc_bp = mqc_c >> 20; + mqc_c &= 0xfffff; + mqc_ct = 7; + } else { + if ((mqc_c & 0x8000000) == 0) { /* ((mqc_c&0x8000000)==0) CHANGE */ + mqc_bp++; + *mqc_bp = mqc_c >> 19; + mqc_c &= 0x7ffff; + mqc_ct = 8; + } else { + (*mqc_bp)++; + if (*mqc_bp == 0xff) { + mqc_c &= 0x7ffffff; mqc_bp++; *mqc_bp = mqc_c >> 20; mqc_c &= 0xfffff; mqc_ct = 7; - } else { - if ((mqc_c & 0x8000000) == 0) { /* ((mqc_c&0x8000000)==0) CHANGE */ - mqc_bp++; - *mqc_bp = mqc_c >> 19; - mqc_c &= 0x7ffff; - mqc_ct = 8; - } else { - (*mqc_bp)++; - if (*mqc_bp == 0xff) { - mqc_c &= 0x7ffffff; - mqc_bp++; - *mqc_bp = mqc_c >> 20; - mqc_c &= 0xfffff; - mqc_ct = 7; - } else { - mqc_bp++; - *mqc_bp = mqc_c >> 19; - mqc_c &= 0x7ffff; - mqc_ct = 8; - } - } + } else { + mqc_bp++; + *mqc_bp = mqc_c >> 19; + mqc_c &= 0x7ffff; + mqc_ct = 8; + } } + } } /* <summary> */ @@ -198,14 +198,14 @@ void mqc_byteout() /* </summary> */ void mqc_renorme() { - do { - mqc_a <<= 1; - mqc_c <<= 1; - mqc_ct--; - if (mqc_ct == 0) { - mqc_byteout(); - } - } while ((mqc_a & 0x8000) == 0); + do { + mqc_a <<= 1; + mqc_c <<= 1; + mqc_ct--; + if (mqc_ct == 0) { + mqc_byteout(); + } + } while ((mqc_a & 0x8000) == 0); } /* <summary> */ @@ -213,18 +213,18 @@ void mqc_renorme() /* </summary> */ void mqc_codemps() { - mqc_a -= (*mqc_curctx)->qeval; - if ((mqc_a & 0x8000) == 0) { - if (mqc_a < (*mqc_curctx)->qeval) { - mqc_a = (*mqc_curctx)->qeval; - } else { - mqc_c += (*mqc_curctx)->qeval; - } - *mqc_curctx = (*mqc_curctx)->nmps; - mqc_renorme(); + mqc_a -= (*mqc_curctx)->qeval; + if ((mqc_a & 0x8000) == 0) { + if (mqc_a < (*mqc_curctx)->qeval) { + mqc_a = (*mqc_curctx)->qeval; } else { - mqc_c += (*mqc_curctx)->qeval; + mqc_c += (*mqc_curctx)->qeval; } + *mqc_curctx = (*mqc_curctx)->nmps; + mqc_renorme(); + } else { + mqc_c += (*mqc_curctx)->qeval; + } } /* <summary> */ @@ -232,14 +232,14 @@ void mqc_codemps() /* </summary> */ void mqc_codelps() { - mqc_a -= (*mqc_curctx)->qeval; - if (mqc_a < (*mqc_curctx)->qeval) { - mqc_c += (*mqc_curctx)->qeval; - } else { - mqc_a = (*mqc_curctx)->qeval; - } - *mqc_curctx = (*mqc_curctx)->nlps; - mqc_renorme(); + mqc_a -= (*mqc_curctx)->qeval; + if (mqc_a < (*mqc_curctx)->qeval) { + mqc_c += (*mqc_curctx)->qeval; + } else { + mqc_a = (*mqc_curctx)->qeval; + } + *mqc_curctx = (*mqc_curctx)->nlps; + mqc_renorme(); } /* <summary> */ @@ -248,15 +248,15 @@ void mqc_codelps() /* <param name="bp">Output buffer.</param> */ void mqc_init_enc(unsigned char *bp) { - mqc_setcurctx(0); - mqc_a = 0x8000; - mqc_c = 0; - mqc_bp = bp - 1; - mqc_ct = 12; - if (*mqc_bp == 0xff) { - mqc_ct = 13; - } - mqc_start = bp; + mqc_setcurctx(0); + mqc_a = 0x8000; + mqc_c = 0; + mqc_bp = bp - 1; + mqc_ct = 12; + if (*mqc_bp == 0xff) { + mqc_ct = 13; + } + mqc_start = bp; } /* <summary> */ @@ -265,7 +265,7 @@ void mqc_init_enc(unsigned char *bp) /* <param name="ctxno">Context number.</param> */ void mqc_setcurctx(int ctxno) { - mqc_curctx = &mqc_ctxs[ctxno]; + mqc_curctx = &mqc_ctxs[ctxno]; } /* <summary> */ @@ -274,11 +274,11 @@ void mqc_setcurctx(int ctxno) /* <param name="d"> The symbol to be encoded (0 or 1).</param> */ void mqc_encode(int d) { - if ((*mqc_curctx)->mps == d) { - mqc_codemps(); - } else { - mqc_codelps(); - } + if ((*mqc_curctx)->mps == d) { + mqc_codemps(); + } else { + mqc_codelps(); + } } /* <summary> */ @@ -286,11 +286,11 @@ void mqc_encode(int d) /* </summary> */ void mqc_setbits() { - unsigned int tempc = mqc_c + mqc_a; - mqc_c |= 0xffff; - if (mqc_c >= tempc) { - mqc_c -= 0x8000; - } + unsigned int tempc = mqc_c + mqc_a; + mqc_c |= 0xffff; + if (mqc_c >= tempc) { + mqc_c -= 0x8000; + } } /* <summary> */ @@ -298,15 +298,15 @@ void mqc_setbits() /* </summary> */ void mqc_flush() { - mqc_setbits(); - mqc_c <<= mqc_ct; - mqc_byteout(); - mqc_c <<= mqc_ct; - mqc_byteout(); - - if (*mqc_bp != 0xff) { - mqc_bp++; - } + mqc_setbits(); + mqc_c <<= mqc_ct; + mqc_byteout(); + mqc_c <<= mqc_ct; + mqc_byteout(); + + if (*mqc_bp != 0xff) { + mqc_bp++; + } } /* <summary> */ @@ -316,11 +316,11 @@ void mqc_flush() /* </summary> */ void mqc_bypass_init_enc() { - mqc_c = 0; - mqc_ct = 8; - /*if (*mqc_bp == 0xff) { - mqc_ct = 7; - } */ + mqc_c = 0; + mqc_ct = 8; + /*if (*mqc_bp == 0xff) { + mqc_ct = 7; + } */ } /* <summary> */ @@ -330,17 +330,17 @@ void mqc_bypass_init_enc() /* </summary> */ void mqc_bypass_enc(int d) { - mqc_ct--; - mqc_c = mqc_c + (d << mqc_ct); - if (mqc_ct == 0) { - mqc_bp++; - *mqc_bp = mqc_c; - mqc_ct = 8; - if (*mqc_bp == 0xff) { - mqc_ct = 7; - } - mqc_c = 0; + mqc_ct--; + mqc_c = mqc_c + (d << mqc_ct); + if (mqc_ct == 0) { + mqc_bp++; + *mqc_bp = mqc_c; + mqc_ct = 8; + if (*mqc_bp == 0xff) { + mqc_ct = 7; } + mqc_c = 0; + } } /* <summary> */ @@ -349,23 +349,23 @@ void mqc_bypass_enc(int d) /* </summary> */ int mqc_bypass_flush_enc() { - unsigned char bit_padding; + unsigned char bit_padding; - bit_padding = 0; + bit_padding = 0; - if (mqc_ct != 0) { - while (mqc_ct > 0) { - mqc_ct--; - mqc_c += bit_padding << mqc_ct; - bit_padding = (bit_padding + 1) & 0x01; - } - mqc_bp++; - *mqc_bp = mqc_c; - mqc_ct = 8; - mqc_c = 0; + if (mqc_ct != 0) { + while (mqc_ct > 0) { + mqc_ct--; + mqc_c += bit_padding << mqc_ct; + bit_padding = (bit_padding + 1) & 0x01; } + mqc_bp++; + *mqc_bp = mqc_c; + mqc_ct = 8; + mqc_c = 0; + } - return 1; + return 1; } /* <summary> */ @@ -373,10 +373,10 @@ int mqc_bypass_flush_enc() /* </summary> */ void mqc_reset_enc() { - mqc_resetstates(); - mqc_setstate(18, 0, 46); - mqc_setstate(0, 0, 3); - mqc_setstate(1, 0, 4); + mqc_resetstates(); + mqc_setstate(18, 0, 46); + mqc_setstate(0, 0, 3); + mqc_setstate(1, 0, 4); } /* <summary> */ @@ -384,19 +384,19 @@ void mqc_reset_enc() /* </summary> */ int mqc_restart_enc() { - int correction = 1; + int correction = 1; - /* <flush part> */ - int n = 27 - 15 - mqc_ct; - mqc_c <<= mqc_ct; - while (n > 0) { - mqc_byteout(); - n -= mqc_ct; - mqc_c <<= mqc_ct; - } + /* <flush part> */ + int n = 27 - 15 - mqc_ct; + mqc_c <<= mqc_ct; + while (n > 0) { mqc_byteout(); + n -= mqc_ct; + mqc_c <<= mqc_ct; + } + mqc_byteout(); - return correction; + return correction; } /* <summary> */ @@ -404,15 +404,15 @@ int mqc_restart_enc() /* </summary> */ void mqc_restart_init_enc() { - /* <Re-init part> */ - mqc_setcurctx(0); - mqc_a = 0x8000; - mqc_c = 0; - mqc_ct = 12; - mqc_bp--; - if (*mqc_bp == 0xff) { - mqc_ct = 13; - } + /* <Re-init part> */ + mqc_setcurctx(0); + mqc_a = 0x8000; + mqc_c = 0; + mqc_ct = 12; + mqc_bp--; + if (*mqc_bp == 0xff) { + mqc_ct = 13; + } } @@ -421,18 +421,18 @@ void mqc_restart_init_enc() /* </summary> */ void mqc_erterm_enc() { - int k = 11 - mqc_ct + 1; + int k = 11 - mqc_ct + 1; - while (k > 0) { - mqc_c <<= mqc_ct; - mqc_ct = 0; - mqc_byteout(); - k -= mqc_ct; - } + while (k > 0) { + mqc_c <<= mqc_ct; + mqc_ct = 0; + mqc_byteout(); + k -= mqc_ct; + } - if (*mqc_bp != 0xff) { - mqc_byteout(); - } + if (*mqc_bp != 0xff) { + mqc_byteout(); + } } /* <summary> */ @@ -440,44 +440,44 @@ void mqc_erterm_enc() /* </summary> */ void mqc_segmark_enc() { - int i; - mqc_setcurctx(18); + int i; + mqc_setcurctx(18); - for (i = 1; i < 5; i++) { - mqc_encode(i % 2); - } + for (i = 1; i < 5; i++) { + mqc_encode(i % 2); + } } /* <summary> */ /* </summary> */ int mqc_mpsexchange() { - int d; - if (mqc_a < (*mqc_curctx)->qeval) { - d = 1 - (*mqc_curctx)->mps; - *mqc_curctx = (*mqc_curctx)->nlps; - } else { - d = (*mqc_curctx)->mps; - *mqc_curctx = (*mqc_curctx)->nmps; - } - return d; + int d; + if (mqc_a < (*mqc_curctx)->qeval) { + d = 1 - (*mqc_curctx)->mps; + *mqc_curctx = (*mqc_curctx)->nlps; + } else { + d = (*mqc_curctx)->mps; + *mqc_curctx = (*mqc_curctx)->nmps; + } + return d; } /* <summary> */ /* </summary> */ int mqc_lpsexchange() { - int d; - if (mqc_a < (*mqc_curctx)->qeval) { - mqc_a = (*mqc_curctx)->qeval; - d = (*mqc_curctx)->mps; - *mqc_curctx = (*mqc_curctx)->nmps; - } else { - mqc_a = (*mqc_curctx)->qeval; - d = 1 - (*mqc_curctx)->mps; - *mqc_curctx = (*mqc_curctx)->nlps; - } - return d; + int d; + if (mqc_a < (*mqc_curctx)->qeval) { + mqc_a = (*mqc_curctx)->qeval; + d = (*mqc_curctx)->mps; + *mqc_curctx = (*mqc_curctx)->nmps; + } else { + mqc_a = (*mqc_curctx)->qeval; + d = 1 - (*mqc_curctx)->mps; + *mqc_curctx = (*mqc_curctx)->nlps; + } + return d; } /* <summary> */ @@ -485,31 +485,31 @@ int mqc_lpsexchange() /* </summary> */ void mqc_bytein() { - if (mqc_bp != mqc_end) { - unsigned int c; - if (mqc_bp + 1 != mqc_end) { - c = *(mqc_bp + 1); - } else { - c = 0xff; - } - if (*mqc_bp == 0xff) { - if (c > 0x8f) { - mqc_c += 0xff00; - mqc_ct = 8; - } else { - mqc_bp++; - mqc_c += c << 9; - mqc_ct = 7; - } - } else { - mqc_bp++; - mqc_c += c << 8; - mqc_ct = 8; - } + if (mqc_bp != mqc_end) { + unsigned int c; + if (mqc_bp + 1 != mqc_end) { + c = *(mqc_bp + 1); } else { + c = 0xff; + } + if (*mqc_bp == 0xff) { + if (c > 0x8f) { mqc_c += 0xff00; mqc_ct = 8; + } else { + mqc_bp++; + mqc_c += c << 9; + mqc_ct = 7; + } + } else { + mqc_bp++; + mqc_c += c << 8; + mqc_ct = 8; } + } else { + mqc_c += 0xff00; + mqc_ct = 8; + } } /* <summary> */ @@ -517,14 +517,14 @@ void mqc_bytein() /* </summary> */ void mqc_renormd() { - do { - if (mqc_ct == 0) { - mqc_bytein(); - } - mqc_a <<= 1; - mqc_c <<= 1; - mqc_ct--; - } while (mqc_a < 0x8000); + do { + if (mqc_ct == 0) { + mqc_bytein(); + } + mqc_a <<= 1; + mqc_c <<= 1; + mqc_ct--; + } while (mqc_a < 0x8000); } /* <summary> */ @@ -532,15 +532,15 @@ void mqc_renormd() /* </summary> */ void mqc_init_dec(unsigned char *bp, int len) { - mqc_setcurctx(0); - mqc_start = bp; - mqc_end = bp + len; - mqc_bp = bp; - mqc_c = *mqc_bp << 16; - mqc_bytein(); - mqc_c <<= 7; - mqc_ct -= 7; - mqc_a = 0x8000; + mqc_setcurctx(0); + mqc_start = bp; + mqc_end = bp + len; + mqc_bp = bp; + mqc_c = *mqc_bp << 16; + mqc_bytein(); + mqc_c <<= 7; + mqc_ct -= 7; + mqc_a = 0x8000; } /* <summary> */ @@ -548,21 +548,21 @@ void mqc_init_dec(unsigned char *bp, int len) /* </summary> */ int mqc_decode() { - int d; - mqc_a -= (*mqc_curctx)->qeval; - if ((mqc_c >> 16) < (*mqc_curctx)->qeval) { - d = mqc_lpsexchange(); - mqc_renormd(); + int d; + mqc_a -= (*mqc_curctx)->qeval; + if ((mqc_c >> 16) < (*mqc_curctx)->qeval) { + d = mqc_lpsexchange(); + mqc_renormd(); + } else { + mqc_c -= (*mqc_curctx)->qeval << 16; + if ((mqc_a & 0x8000) == 0) { + d = mqc_mpsexchange(); + mqc_renormd(); } else { - mqc_c -= (*mqc_curctx)->qeval << 16; - if ((mqc_a & 0x8000) == 0) { - d = mqc_mpsexchange(); - mqc_renormd(); - } else { - d = (*mqc_curctx)->mps; - } + d = (*mqc_curctx)->mps; } - return d; + } + return d; } /* <summary> */ @@ -570,10 +570,10 @@ int mqc_decode() /* </summary> */ void mqc_resetstates() { - int i; - for (i = 0; i < MQC_NUMCTXS; i++) { - mqc_ctxs[i] = mqc_states; - } + int i; + for (i = 0; i < MQC_NUMCTXS; i++) { + mqc_ctxs[i] = mqc_states; + } } /* <summary> */ @@ -584,5 +584,5 @@ void mqc_resetstates() /* <param name="prob">Index to the probability of symbols</param> */ void mqc_setstate(int ctxno, int msb, int prob) { - mqc_ctxs[ctxno] = &mqc_states[msb + (prob << 1)]; + mqc_ctxs[ctxno] = &mqc_states[msb + (prob << 1)]; } |
