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/t1.c | |
| parent | ec9bd9f6a455a83da8c2c77f5b2628b416cca18f (diff) | |
Reformatage : indent -kr -i2 -ci2 $(find . -name '*.c') $(find . -name '*.h')
Diffstat (limited to 'libopenjpeg/t1.c')
| -rw-r--r-- | libopenjpeg/t1.c | 1666 |
1 files changed, 815 insertions, 851 deletions
diff --git a/libopenjpeg/t1.c b/libopenjpeg/t1.c index 186ab3f2..2765c418 100644 --- a/libopenjpeg/t1.c +++ b/libopenjpeg/t1.c @@ -97,1022 +97,986 @@ static int t1_flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2]; int t1_getctxno_zc(int f, int orient) { - return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; + return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; } int t1_getctxno_sc(int f) { - return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; + return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; } int t1_getctxno_mag(int f) { - return t1_lut_ctxno_mag[(f & T1_SIG_OTH) | - (((f & T1_REFINE) != 0) << 11)]; + return t1_lut_ctxno_mag[(f & T1_SIG_OTH) | + (((f & T1_REFINE) != 0) << 11)]; } int t1_getspb(int f) { - return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; + return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; } int t1_getnmsedec_sig(int x, int bitpos) { - if (bitpos > T1_NMSEDEC_FRACBITS) - return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & - ((1 << T1_NMSEDEC_BITS) - 1)]; - else - return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; + if (bitpos > T1_NMSEDEC_FRACBITS) + return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & + ((1 << T1_NMSEDEC_BITS) - 1)]; + else + return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; } int t1_getnmsedec_ref(int x, int bitpos) { - if (bitpos > T1_NMSEDEC_FRACBITS) - return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & - ((1 << T1_NMSEDEC_BITS) - 1)]; - else - return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; + if (bitpos > T1_NMSEDEC_FRACBITS) + return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & + ((1 << T1_NMSEDEC_BITS) - 1)]; + else + return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; } void t1_updateflags(int *fp, int s) { - int *np = fp - (T1_MAXCBLKW + 2); - int *sp = fp + (T1_MAXCBLKW + 2); - np[-1] |= T1_SIG_SE; - np[1] |= T1_SIG_SW; - sp[-1] |= T1_SIG_NE; - sp[1] |= T1_SIG_NW; - *np |= T1_SIG_S; - *sp |= T1_SIG_N; - fp[-1] |= T1_SIG_E; - fp[1] |= T1_SIG_W; - if (s) { - *np |= T1_SGN_S; - *sp |= T1_SGN_N; - fp[-1] |= T1_SGN_E; - fp[1] |= T1_SGN_W; - } + int *np = fp - (T1_MAXCBLKW + 2); + int *sp = fp + (T1_MAXCBLKW + 2); + np[-1] |= T1_SIG_SE; + np[1] |= T1_SIG_SW; + sp[-1] |= T1_SIG_NE; + sp[1] |= T1_SIG_NW; + *np |= T1_SIG_S; + *sp |= T1_SIG_N; + fp[-1] |= T1_SIG_E; + fp[1] |= T1_SIG_W; + if (s) { + *np |= T1_SGN_S; + *sp |= T1_SGN_N; + fp[-1] |= T1_SGN_E; + fp[1] |= T1_SGN_W; + } } void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) { - int v, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { - v = int_abs(*dp) & one ? 1 : 0; - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - mqc_encode(v); - } - if (v) { - v = *dp < 0 ? 1 : 0; - *nmsedec += - t1_getnmsedec_sig(int_abs(*dp), - bpno + T1_NMSEDEC_FRACBITS); - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_sc(flag)); - mqc_encode(v ^ t1_getspb(flag)); - } - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - *fp |= T1_VISIT; + int v, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + v = int_abs(*dp) & one ? 1 : 0; + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */ + mqc_bypass_enc(v); + } else { + mqc_setcurctx(t1_getctxno_zc(flag, orient)); + mqc_encode(v); + } + if (v) { + v = *dp < 0 ? 1 : 0; + *nmsedec += + t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */ + mqc_bypass_enc(v); + } else { + mqc_setcurctx(t1_getctxno_sc(flag)); + mqc_encode(v ^ t1_getspb(flag)); + } + t1_updateflags(fp, v); + *fp |= T1_SIG; } + *fp |= T1_VISIT; + } } void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) { - int v, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { - if (type == T1_TYPE_RAW) { - if (raw_decode()) { - v = raw_decode(); /* ESSAI */ - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } else { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - if (mqc_decode()) { - mqc_setcurctx(t1_getctxno_sc(flag)); - v = mqc_decode() ^ t1_getspb(flag); - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } - *fp |= T1_VISIT; + int v, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { + if (type == T1_TYPE_RAW) { + if (raw_decode()) { + v = raw_decode(); /* ESSAI */ + *dp = v ? -oneplushalf : oneplushalf; + t1_updateflags(fp, v); + *fp |= T1_SIG; + } + } else { + mqc_setcurctx(t1_getctxno_zc(flag, orient)); + if (mqc_decode()) { + mqc_setcurctx(t1_getctxno_sc(flag)); + v = mqc_decode() ^ t1_getspb(flag); + *dp = v ? -oneplushalf : oneplushalf; + t1_updateflags(fp, v); + *fp |= T1_SIG; + } } + *fp |= T1_VISIT; + } } /* VSC and BYPASS by Antonin */ void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) { - int i, j, k, one, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_sigpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], orient, bpno, one, - nmsedec, type, vsc); - } - } + int i, j, k, one, vsc; + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + for (j = k; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_enc_sigpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], orient, bpno, one, + nmsedec, type, vsc); + } } + } } void t1_dec_sigpass(int w, int h, int bpno, int orient, char type, int cblksty) { - int i, j, k, one, half, oneplushalf, vsc; - one = 1 << bpno; - half = one >> 1; - oneplushalf = one | half; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_sigpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], orient, oneplushalf, - type, vsc); - } - } + int i, j, k, one, half, oneplushalf, vsc; + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + for (j = k; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_dec_sigpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], orient, oneplushalf, + type, vsc); + } } + } } /* VSC and BYPASS by Antonin */ void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) { - int v, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { - *nmsedec += - t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); - v = int_abs(*dp) & one ? 1 : 0; - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_mag(flag)); - mqc_encode(v); - } - *fp |= T1_REFINE; + int v, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + *nmsedec += + t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); + v = int_abs(*dp) & one ? 1 : 0; + if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ + mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ + mqc_bypass_enc(v); + } else { + mqc_setcurctx(t1_getctxno_mag(flag)); + mqc_encode(v); } + *fp |= T1_REFINE; + } } void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) { - int v, t, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { - if (type == T1_TYPE_RAW) { - mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ - v = raw_decode(); - } else { - mqc_setcurctx(t1_getctxno_mag(flag)); - v = mqc_decode(); - } - t = v ? poshalf : neghalf; - *dp += *dp < 0 ? -t : t; - *fp |= T1_REFINE; + int v, t, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { + if (type == T1_TYPE_RAW) { + mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ + v = raw_decode(); + } else { + mqc_setcurctx(t1_getctxno_mag(flag)); + v = mqc_decode(); } + t = v ? poshalf : neghalf; + *dp += *dp < 0 ? -t : t; + *fp |= T1_REFINE; + } } /* VSC and BYPASS by Antonin */ void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type, int cblksty) { - int i, j, k, one, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_refpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], bpno, one, nmsedec, - type, vsc); - } - } + int i, j, k, one, vsc; + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + for (j = k; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_enc_refpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], bpno, one, nmsedec, type, vsc); + } } + } } void t1_dec_refpass(int w, int h, int bpno, char type, int cblksty) { - int i, j, k, one, poshalf, neghalf; - int vsc; - one = 1 << bpno; - poshalf = one >> 1; - neghalf = bpno > 0 ? -poshalf : -1; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_refpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], poshalf, neghalf, type, - vsc); - } - } + int i, j, k, one, poshalf, neghalf; + int vsc; + one = 1 << bpno; + poshalf = one >> 1; + neghalf = bpno > 0 ? -poshalf : -1; + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + for (j = k; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_dec_refpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], poshalf, neghalf, type, vsc); + } } + } } /* VSC and BYPASS by Antonin */ void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) { - int v, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if (partial) - goto label_partial; - if (!(*fp & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - v = int_abs(*dp) & one ? 1 : 0; - mqc_encode(v); - if (v) { - label_partial: - *nmsedec += - t1_getnmsedec_sig(int_abs(*dp), - bpno + T1_NMSEDEC_FRACBITS); - mqc_setcurctx(t1_getctxno_sc(flag)); - v = *dp < 0 ? 1 : 0; - mqc_encode(v ^ t1_getspb(flag)); - t1_updateflags(fp, v); - *fp |= T1_SIG; - } + int v, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if (partial) + goto label_partial; + if (!(*fp & (T1_SIG | T1_VISIT))) { + mqc_setcurctx(t1_getctxno_zc(flag, orient)); + v = int_abs(*dp) & one ? 1 : 0; + mqc_encode(v); + if (v) { + label_partial: + *nmsedec += + t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); + mqc_setcurctx(t1_getctxno_sc(flag)); + v = *dp < 0 ? 1 : 0; + mqc_encode(v ^ t1_getspb(flag)); + t1_updateflags(fp, v); + *fp |= T1_SIG; } - *fp &= ~T1_VISIT; + } + *fp &= ~T1_VISIT; } void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) { - int v, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if (partial) - goto label_partial; - if (!(flag & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - if (mqc_decode()) { - label_partial: - mqc_setcurctx(t1_getctxno_sc(flag)); - v = mqc_decode() ^ t1_getspb(flag); - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } + int v, flag; + flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) + : (*fp); + if (partial) + goto label_partial; + if (!(flag & (T1_SIG | T1_VISIT))) { + mqc_setcurctx(t1_getctxno_zc(flag, orient)); + if (mqc_decode()) { + label_partial: + mqc_setcurctx(t1_getctxno_sc(flag)); + v = mqc_decode() ^ t1_getspb(flag); + *dp = v ? -oneplushalf : oneplushalf; + t1_updateflags(fp, v); + *fp |= T1_SIG; } - *fp &= ~T1_VISIT; + } + *fp &= ~T1_VISIT; } /* VSC and BYPASS by Antonin */ void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec, int cblksty) { - int i, j, k, one, agg, runlen, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - if (k + 3 < h) { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - agg = - !(t1_flags[1 + k][1 + i] & - (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 2][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || (t1_flags[1 + k + 3][1 + i] & - (~ - (T1_SIG_S | T1_SIG_SE | T1_SIG_SW | - T1_SGN_S))) & (T1_SIG | T1_VISIT | + int i, j, k, one, agg, runlen, vsc; + *nmsedec = 0; + one = 1 << (bpno + T1_NMSEDEC_FRACBITS); + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + if (k + 3 < h) { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || t1_flags[1 + k + 1][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 2][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || (t1_flags[1 + k + 3][1 + i] & + (~ + (T1_SIG_S | T1_SIG_SE | T1_SIG_SW | + T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + } else { + agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || t1_flags[1 + k + 1][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 2][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 3][1 + + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)); - } else { - agg = - !(t1_flags[1 + k][1 + i] & - (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 2][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 3][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH)); - } - } else { - agg = 0; - } - if (agg) { - for (runlen = 0; runlen < 4; runlen++) { - if (int_abs(t1_data[k + runlen][i]) & one) - break; - } - mqc_setcurctx(T1_CTXNO_AGG); - mqc_encode(runlen != 4); - if (runlen == 4) { - continue; - } - mqc_setcurctx(T1_CTXNO_UNI); - mqc_encode(runlen >> 1); - mqc_encode(runlen & 1); - } else { - runlen = 0; - } - for (j = k + runlen; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_clnpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], orient, bpno, one, - nmsedec, agg - && (j == k + runlen), vsc); - } } + } else { + agg = 0; + } + if (agg) { + for (runlen = 0; runlen < 4; runlen++) { + if (int_abs(t1_data[k + runlen][i]) & one) + break; + } + mqc_setcurctx(T1_CTXNO_AGG); + mqc_encode(runlen != 4); + if (runlen == 4) { + continue; + } + mqc_setcurctx(T1_CTXNO_UNI); + mqc_encode(runlen >> 1); + mqc_encode(runlen & 1); + } else { + runlen = 0; + } + for (j = k + runlen; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_enc_clnpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], orient, bpno, one, + nmsedec, agg && (j == k + runlen), vsc); + } } + } } void t1_dec_clnpass(int w, int h, int bpno, int orient, int cblksty) { - int i, j, k, one, half, oneplushalf, agg, runlen, vsc; - int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM; - one = 1 << bpno; - half = one >> 1; - oneplushalf = one | half; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - if (k + 3 < h) { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - agg = - !(t1_flags[1 + k][1 + i] & - (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 2][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || (t1_flags[1 + k + 3][1 + i] & - (~ - (T1_SIG_S | T1_SIG_SE | T1_SIG_SW | - T1_SGN_S))) & (T1_SIG | T1_VISIT | + int i, j, k, one, half, oneplushalf, agg, runlen, vsc; + int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM; + one = 1 << bpno; + half = one >> 1; + oneplushalf = one | half; + for (k = 0; k < h; k += 4) { + for (i = 0; i < w; i++) { + if (k + 3 < h) { + if (cblksty & J2K_CCP_CBLKSTY_VSC) { + agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || t1_flags[1 + k + 1][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 2][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || (t1_flags[1 + k + 3][1 + i] & + (~ + (T1_SIG_S | T1_SIG_SE | T1_SIG_SW | + T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); + } else { + agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) + || t1_flags[1 + k + 1][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 2][1 + + i] & (T1_SIG | T1_VISIT | + T1_SIG_OTH) + || t1_flags[1 + k + 3][1 + + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)); - } else { - agg = - !(t1_flags[1 + k][1 + i] & - (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 2][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) - || t1_flags[1 + k + 3][1 + - i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH)); - } - } else { - agg = 0; - } - if (agg) { - mqc_setcurctx(T1_CTXNO_AGG); - if (!mqc_decode()) { - continue; - } - mqc_setcurctx(T1_CTXNO_UNI); - runlen = mqc_decode(); - runlen = (runlen << 1) | mqc_decode(); - } else { - runlen = 0; - } - for (j = k + runlen; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_clnpass_step(&t1_flags[1 + j][1 + i], - &t1_data[j][i], orient, oneplushalf, - agg && (j == k + runlen), vsc); - } } - } - if (segsym) { - int v = 0; + } else { + agg = 0; + } + if (agg) { + mqc_setcurctx(T1_CTXNO_AGG); + if (!mqc_decode()) { + continue; + } mqc_setcurctx(T1_CTXNO_UNI); - v = mqc_decode(); - v = (v << 1) | mqc_decode(); - v = (v << 1) | mqc_decode(); - v = (v << 1) | mqc_decode(); - /* if (v!=0xa) - { - fprintf(stderr, "warning: bad segmentation symbol %x\n",v); - } */ + runlen = mqc_decode(); + runlen = (runlen << 1) | mqc_decode(); + } else { + runlen = 0; + } + for (j = k + runlen; j < k + 4 && j < h; j++) { + vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) + && (j == k + 3 || j == h - 1)) ? 1 : 0; + t1_dec_clnpass_step(&t1_flags[1 + j][1 + i], + &t1_data[j][i], orient, oneplushalf, + agg && (j == k + runlen), vsc); + } } + } + if (segsym) { + int v = 0; + mqc_setcurctx(T1_CTXNO_UNI); + v = mqc_decode(); + v = (v << 1) | mqc_decode(); + v = (v << 1) | mqc_decode(); + v = (v << 1) | mqc_decode(); + /* if (v!=0xa) + { + fprintf(stderr, "warning: bad segmentation symbol %x\n",v); + } */ + } } /* VSC and BYPASS by Antonin */ double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize) { - double w1, w2, wmsedec; - if (qmfbid == 1) { - w1 = mct_getnorm(compno); - w2 = dwt_getnorm(level, orient); - } else { /* if (qmfbid == 0) */ - w1 = mct_getnorm_real(compno); - w2 = dwt_getnorm_real(level, orient); - } - wmsedec = w1 * w2 * stepsize * (1 << bpno); - wmsedec *= wmsedec * nmsedec / 8192.0; - return wmsedec; + double w1, w2, wmsedec; + if (qmfbid == 1) { + w1 = mct_getnorm(compno); + w2 = dwt_getnorm(level, orient); + } else { /* if (qmfbid == 0) */ + w1 = mct_getnorm_real(compno); + w2 = dwt_getnorm_real(level, orient); + } + wmsedec = w1 * w2 * stepsize * (1 << bpno); + wmsedec *= wmsedec * nmsedec / 8192.0; + return wmsedec; } void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty) { - int i, j; - int w, h; - int passno; - int bpno, passtype; - int max; - int nmsedec; - double cumwmsedec = 0; - char type = T1_TYPE_MQ; - - w = cblk->x1 - cblk->x0; - h = cblk->y1 - cblk->y0; - - max = 0; - for (j = 0; j < h; j++) { - for (i = 0; i < w; i++) { - max = int_max(max, int_abs(t1_data[j][i])); - } + int i, j; + int w, h; + int passno; + int bpno, passtype; + int max; + int nmsedec; + double cumwmsedec = 0; + char type = T1_TYPE_MQ; + + w = cblk->x1 - cblk->x0; + h = cblk->y1 - cblk->y0; + + max = 0; + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + max = int_max(max, int_abs(t1_data[j][i])); } + } - cblk->numbps = - max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0; - - for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) - ((int *) t1_flags)[i] = 0; - bpno = cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(); - mqc_setstate(T1_CTXNO_UNI, 0, 46); - mqc_setstate(T1_CTXNO_AGG, 0, 3); - mqc_setstate(T1_CTXNO_ZC, 0, 4); - mqc_init_enc(cblk->data); - - for (passno = 0; bpno >= 0; passno++) { - tcd_pass_t *pass = &cblk->passes[passno]; - int correction = 3; - type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : - T1_TYPE_MQ; - - switch (passtype) { - case 0: - t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty); - break; - case 1: - t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty); - break; - case 2: - t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty); - /* code switch SEGMARK (i.e. SEGSYM) */ - if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) - mqc_segmark_enc(); - break; - } + cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0; - cumwmsedec += - t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, - stepsize); - - /* Code switch "RESTART" (i.e. TERMALL) */ - if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) - && !((passtype == 2) && (bpno - 1 < 0))) { - if (type == T1_TYPE_RAW) { - mqc_flush(); - correction = 1; - /* correction = mqc_bypass_flush_enc(); */ - } else { /* correction = mqc_restart_enc(); */ - mqc_flush(); - correction = 1; - } - pass->term = 1; - } else { - if (((bpno < (cblk->numbps - 4) && (passtype > 0)) - || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) { - if (type == T1_TYPE_RAW) { - mqc_flush(); - correction = 1; - /* correction = mqc_bypass_flush_enc(); */ - } else { /* correction = mqc_restart_enc(); */ - mqc_flush(); - correction = 1; - } - pass->term = 1; - } else { - pass->term = 0; - } - } + for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) + ((int *) t1_flags)[i] = 0; + bpno = cblk->numbps - 1; + passtype = 2; - if (++passtype == 3) { - passtype = 0; - bpno--; - } + mqc_resetstates(); + mqc_setstate(T1_CTXNO_UNI, 0, 46); + mqc_setstate(T1_CTXNO_AGG, 0, 3); + mqc_setstate(T1_CTXNO_ZC, 0, 4); + mqc_init_enc(cblk->data); + + for (passno = 0; bpno >= 0; passno++) { + tcd_pass_t *pass = &cblk->passes[passno]; + int correction = 3; + type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) + && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : + T1_TYPE_MQ; - if (pass->term && bpno > 0) { - type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : - T1_TYPE_MQ; - if (type == T1_TYPE_RAW) - mqc_bypass_init_enc(); - else - mqc_restart_init_enc(); + switch (passtype) { + case 0: + t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty); + break; + case 1: + t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty); + break; + case 2: + t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty); + /* code switch SEGMARK (i.e. SEGSYM) */ + if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) + mqc_segmark_enc(); + break; + } + + cumwmsedec += + t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, + stepsize); + + /* Code switch "RESTART" (i.e. TERMALL) */ + if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) + && !((passtype == 2) && (bpno - 1 < 0))) { + if (type == T1_TYPE_RAW) { + mqc_flush(); + correction = 1; + /* correction = mqc_bypass_flush_enc(); */ + } else { /* correction = mqc_restart_enc(); */ + mqc_flush(); + correction = 1; + } + pass->term = 1; + } else { + if (((bpno < (cblk->numbps - 4) && (passtype > 0)) + || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) + && (cblksty & J2K_CCP_CBLKSTY_LAZY)) { + if (type == T1_TYPE_RAW) { + mqc_flush(); + correction = 1; + /* correction = mqc_bypass_flush_enc(); */ + } else { /* correction = mqc_restart_enc(); */ + mqc_flush(); + correction = 1; } + pass->term = 1; + } else { + pass->term = 0; + } + } - pass->distortiondec = cumwmsedec; - pass->rate = mqc_numbytes() + correction; /* FIXME */ - pass->len = - pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate); + if (++passtype == 3) { + passtype = 0; + bpno--; + } - /* Code-switch "RESET" */ - if (cblksty & J2K_CCP_CBLKSTY_RESET) - mqc_reset_enc(); + if (pass->term && bpno > 0) { + type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) + && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : + T1_TYPE_MQ; + if (type == T1_TYPE_RAW) + mqc_bypass_init_enc(); + else + mqc_restart_init_enc(); } - /* Code switch "ERTERM" (i.e. PTERM) */ - if (cblksty & J2K_CCP_CBLKSTY_PTERM) - mqc_erterm_enc(); - else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) - mqc_flush(); + pass->distortiondec = cumwmsedec; + pass->rate = mqc_numbytes() + correction; /* FIXME */ + pass->len = + pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate); - cblk->totalpasses = passno; + /* Code-switch "RESET" */ + if (cblksty & J2K_CCP_CBLKSTY_RESET) + mqc_reset_enc(); + } + + /* Code switch "ERTERM" (i.e. PTERM) */ + if (cblksty & J2K_CCP_CBLKSTY_PTERM) + mqc_erterm_enc(); + else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) + mqc_flush(); + + cblk->totalpasses = passno; } void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift, int cblksty) { - int i; - int w, h; - int bpno, passtype; - int segno, passno; + int i; + int w, h; + int bpno, passtype; + int segno, passno; + /* add TONY */ + char type = T1_TYPE_MQ; + /* dda */ + + for (i = 0; i < sizeof(t1_data) / sizeof(int); i++) + ((int *) t1_data)[i] = 0; + for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) + ((int *) t1_flags)[i] = 0; + + w = cblk->x1 - cblk->x0; + h = cblk->y1 - cblk->y0; + bpno = roishift + cblk->numbps - 1; + passtype = 2; + + mqc_resetstates(); + mqc_setstate(T1_CTXNO_UNI, 0, 46); + mqc_setstate(T1_CTXNO_AGG, 0, 3); + mqc_setstate(T1_CTXNO_ZC, 0, 4); + + for (segno = 0; segno < cblk->numsegs; segno++) { + tcd_seg_t *seg = &cblk->segs[segno]; + /* add TONY */ - char type = T1_TYPE_MQ; + type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) + && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : + T1_TYPE_MQ; + if (type == T1_TYPE_RAW) + raw_init_dec(seg->data, seg->len); + else + mqc_init_dec(seg->data, seg->len); /* dda */ - for (i = 0; i < sizeof(t1_data) / sizeof(int); i++) - ((int *) t1_data)[i] = 0; - for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) - ((int *) t1_flags)[i] = 0; - - w = cblk->x1 - cblk->x0; - h = cblk->y1 - cblk->y0; - bpno = roishift + cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(); - mqc_setstate(T1_CTXNO_UNI, 0, 46); - mqc_setstate(T1_CTXNO_AGG, 0, 3); - mqc_setstate(T1_CTXNO_ZC, 0, 4); - - for (segno = 0; segno < cblk->numsegs; segno++) { - tcd_seg_t *seg = &cblk->segs[segno]; - - /* add TONY */ - type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : - T1_TYPE_MQ; - if (type == T1_TYPE_RAW) - raw_init_dec(seg->data, seg->len); - else - mqc_init_dec(seg->data, seg->len); - /* dda */ - - for (passno = 0; passno < seg->numpasses; passno++) { - switch (passtype) { - case 0: - t1_dec_sigpass(w, h, bpno, orient, type, cblksty); - break; - case 1: - t1_dec_refpass(w, h, bpno, type, cblksty); - break; - case 2: - t1_dec_clnpass(w, h, bpno, orient, cblksty); - break; - } + for (passno = 0; passno < seg->numpasses; passno++) { + switch (passtype) { + case 0: + t1_dec_sigpass(w, h, bpno, orient, type, cblksty); + break; + case 1: + t1_dec_refpass(w, h, bpno, type, cblksty); + break; + case 2: + t1_dec_clnpass(w, h, bpno, orient, cblksty); + break; + } - if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) - mqc_reset_enc(); + if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) + mqc_reset_enc(); - if (++passtype == 3) { - passtype = 0; - bpno--; - } - } + if (++passtype == 3) { + passtype = 0; + bpno--; + } } + } } void t1_encode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp) { - int compno, resno, bandno, precno, cblkno; - int x, y, i, j, orient; - tcd_tilecomp_t *tilec; - tcd_resolution_t *res; - tcd_band_t *band; - tcd_precinct_t *prc; - tcd_cblk_t *cblk; - - for (compno = 0; compno < tile->numcomps; compno++) { - tilec = &tile->comps[compno]; - for (resno = 0; resno < tilec->numresolutions; resno++) { - res = &tilec->resolutions[resno]; - for (bandno = 0; bandno < res->numbands; bandno++) { - band = &res->bands[bandno]; - for (precno = 0; precno < res->pw * res->ph; precno++) { - prc = &band->precincts[precno]; - for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { - cblk = &prc->cblks[cblkno]; - - if (band->bandno == 0) { - x = cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 1) { - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 2) { - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } else { /* if (band->bandno == 3) */ - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } - - if (tcp->tccps[compno].qmfbid == 1) { - - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - t1_data[j][i] = - tilec->data[(x + i) + - (y + j) * (tilec->x1 - - tilec-> - x0)] << - T1_NMSEDEC_FRACBITS; - } - } - } else if (tcp->tccps[compno].qmfbid == 0) { - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - t1_data[j][i] = - fix_mul(tilec-> - data[x + i + - (y + j) * (tilec->x1 - - tilec-> - x0)], - 8192 * 8192 / - band->stepsize) >> (13 - - T1_NMSEDEC_FRACBITS); - } - } - } - orient = band->bandno; /* FIXME */ - if (orient == 2) { - orient = 1; - } else if (orient == 1) { - orient = 2; - } - t1_encode_cblk(cblk, orient, compno, - tilec->numresolutions - 1 - resno, - tcp->tccps[compno].qmfbid, - band->stepsize, - tcp->tccps[compno].cblksty); - } /* cblkno */ - } /* precno */ - } /* bandno */ - } /* resno */ - } /* compo */ + int compno, resno, bandno, precno, cblkno; + int x, y, i, j, orient; + tcd_tilecomp_t *tilec; + tcd_resolution_t *res; + tcd_band_t *band; + tcd_precinct_t *prc; + tcd_cblk_t *cblk; + + for (compno = 0; compno < tile->numcomps; compno++) { + tilec = &tile->comps[compno]; + for (resno = 0; resno < tilec->numresolutions; resno++) { + res = &tilec->resolutions[resno]; + for (bandno = 0; bandno < res->numbands; bandno++) { + band = &res->bands[bandno]; + for (precno = 0; precno < res->pw * res->ph; precno++) { + prc = &band->precincts[precno]; + for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { + cblk = &prc->cblks[cblkno]; + + if (band->bandno == 0) { + x = cblk->x0 - band->x0; + y = cblk->y0 - band->y0; + } else if (band->bandno == 1) { + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = pres->x1 - pres->x0 + cblk->x0 - band->x0; + y = cblk->y0 - band->y0; + } else if (band->bandno == 2) { + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = cblk->x0 - band->x0; + y = pres->y1 - pres->y0 + cblk->y0 - band->y0; + } else { /* if (band->bandno == 3) */ + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = pres->x1 - pres->x0 + cblk->x0 - band->x0; + y = pres->y1 - pres->y0 + cblk->y0 - band->y0; + } + + if (tcp->tccps[compno].qmfbid == 1) { + + for (j = 0; j < cblk->y1 - cblk->y0; j++) { + for (i = 0; i < cblk->x1 - cblk->x0; i++) { + t1_data[j][i] = + tilec->data[(x + i) + + (y + j) * (tilec->x1 - + tilec-> + x0)] << T1_NMSEDEC_FRACBITS; + } + } + } else if (tcp->tccps[compno].qmfbid == 0) { + for (j = 0; j < cblk->y1 - cblk->y0; j++) { + for (i = 0; i < cblk->x1 - cblk->x0; i++) { + t1_data[j][i] = + fix_mul(tilec-> + data[x + i + + (y + j) * (tilec->x1 - + tilec-> + x0)], + 8192 * 8192 / + band->stepsize) >> (13 - T1_NMSEDEC_FRACBITS); + } + } + } + orient = band->bandno; /* FIXME */ + if (orient == 2) { + orient = 1; + } else if (orient == 1) { + orient = 2; + } + t1_encode_cblk(cblk, orient, compno, + tilec->numresolutions - 1 - resno, + tcp->tccps[compno].qmfbid, + band->stepsize, tcp->tccps[compno].cblksty); + } /* cblkno */ + } /* precno */ + } /* bandno */ + } /* resno */ + } /* compo */ } void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp) { - int compno, resno, bandno, precno, cblkno; - - for (compno = 0; compno < tile->numcomps; compno++) { - tcd_tilecomp_t *tilec = &tile->comps[compno]; - for (resno = 0; resno < tilec->numresolutions; resno++) { - tcd_resolution_t *res = &tilec->resolutions[resno]; - for (bandno = 0; bandno < res->numbands; bandno++) { - tcd_band_t *band = &res->bands[bandno]; - for (precno = 0; precno < res->pw * res->ph; precno++) { - tcd_precinct_t *prc = &band->precincts[precno]; - for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { - int x, y, i, j, orient; - tcd_cblk_t *cblk = &prc->cblks[cblkno]; - orient = band->bandno; /* FIXME */ - if (orient == 2) - orient = 1; - else if (orient == 1) - orient = 2; - t1_decode_cblk(cblk, orient, - tcp->tccps[compno].roishift, - tcp->tccps[compno].cblksty); - if (band->bandno == 0) { - x = cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 1) { - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 2) { - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } else { /* if (band->bandno == 3) */ - tcd_resolution_t *pres = - &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } - - if (tcp->tccps[compno].roishift) { - int thresh, val, mag; - thresh = 1 << tcp->tccps[compno].roishift; - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - val = t1_data[j][i]; - mag = int_abs(val); - if (mag >= thresh) { - mag >>= tcp->tccps[compno]. - roishift; - t1_data[j][i] = - val < 0 ? -mag : mag; - } - } - } - } - - if (tcp->tccps[compno].qmfbid == 1) { - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - tilec->data[x + i + - (y + j) * (tilec->x1 - - tilec->x0)] = - t1_data[j][i]; - } - } - } else { /* if (tcp->tccps[compno].qmfbid == 0) */ - - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - if (t1_data[j][i] == 0) { - tilec->data[x + i + - (y + j) * (tilec->x1 - - tilec-> - x0)] = 0; - } else { - tilec->data[x + i + - (y + j) * (tilec->x1 - - tilec-> - x0)] = - fix_mul(t1_data[j][i] << 13, - band->stepsize); - } - } - } - } - } + int compno, resno, bandno, precno, cblkno; + + for (compno = 0; compno < tile->numcomps; compno++) { + tcd_tilecomp_t *tilec = &tile->comps[compno]; + for (resno = 0; resno < tilec->numresolutions; resno++) { + tcd_resolution_t *res = &tilec->resolutions[resno]; + for (bandno = 0; bandno < res->numbands; bandno++) { + tcd_band_t *band = &res->bands[bandno]; + for (precno = 0; precno < res->pw * res->ph; precno++) { + tcd_precinct_t *prc = &band->precincts[precno]; + for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { + int x, y, i, j, orient; + tcd_cblk_t *cblk = &prc->cblks[cblkno]; + orient = band->bandno; /* FIXME */ + if (orient == 2) + orient = 1; + else if (orient == 1) + orient = 2; + t1_decode_cblk(cblk, orient, + tcp->tccps[compno].roishift, + tcp->tccps[compno].cblksty); + if (band->bandno == 0) { + x = cblk->x0 - band->x0; + y = cblk->y0 - band->y0; + } else if (band->bandno == 1) { + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = pres->x1 - pres->x0 + cblk->x0 - band->x0; + y = cblk->y0 - band->y0; + } else if (band->bandno == 2) { + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = cblk->x0 - band->x0; + y = pres->y1 - pres->y0 + cblk->y0 - band->y0; + } else { /* if (band->bandno == 3) */ + tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; + x = pres->x1 - pres->x0 + cblk->x0 - band->x0; + y = pres->y1 - pres->y0 + cblk->y0 - band->y0; + } + + if (tcp->tccps[compno].roishift) { + int thresh, val, mag; + thresh = 1 << tcp->tccps[compno].roishift; + for (j = 0; j < cblk->y1 - cblk->y0; j++) { + for (i = 0; i < cblk->x1 - cblk->x0; i++) { + val = t1_data[j][i]; + mag = int_abs(val); + if (mag >= thresh) { + mag >>= tcp->tccps[compno].roishift; + t1_data[j][i] = val < 0 ? -mag : mag; + } + } + } + } + + if (tcp->tccps[compno].qmfbid == 1) { + for (j = 0; j < cblk->y1 - cblk->y0; j++) { + for (i = 0; i < cblk->x1 - cblk->x0; i++) { + tilec->data[x + i + + (y + j) * (tilec->x1 - + tilec->x0)] = t1_data[j][i]; + } + } + } else { /* if (tcp->tccps[compno].qmfbid == 0) */ + + for (j = 0; j < cblk->y1 - cblk->y0; j++) { + for (i = 0; i < cblk->x1 - cblk->x0; i++) { + if (t1_data[j][i] == 0) { + tilec->data[x + i + + (y + j) * (tilec->x1 - tilec->x0)] = 0; + } else { + tilec->data[x + i + + (y + j) * (tilec->x1 - + tilec-> + x0)] = + fix_mul(t1_data[j][i] << 13, band->stepsize); + } } + } } + } } + } } + } } int t1_init_ctxno_zc(int f, int orient) { - int h, v, d, n, t, hv; - n = 0; - h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0); - v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0); - d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != - 0) + ((f & T1_SIG_SE) != - 0) + ((f & T1_SIG_SW) != 0); - switch (orient) { - case 2: - t = h; - h = v; - v = t; - case 0: - case 1: - 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 3: - 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; - } - return T1_CTXNO_ZC + n; + int h, v, d, n, t, hv; + n = 0; + h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0); + v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0); + d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != + 0) + ((f & T1_SIG_SE) != + 0) + ((f & T1_SIG_SW) != 0); + switch (orient) { + case 2: + t = h; + h = v; + v = t; + case 0: + case 1: + 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 3: + 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; + } + return T1_CTXNO_ZC + n; } int t1_init_ctxno_sc(int f) { - int hc, vc, n; - n = 0; - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == - T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == - (T1_SIG_E | T1_SGN_E)) + - ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == - T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == - (T1_SIG_N | T1_SGN_N)) + - ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 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; - } - return T1_CTXNO_SC + n; + int hc, vc, n; + n = 0; + hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == + T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), + 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == + (T1_SIG_E | T1_SGN_E)) + + ((f & (T1_SIG_W | T1_SGN_W)) == + (T1_SIG_W | T1_SGN_W)), 1); + vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == + T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), + 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == + (T1_SIG_N | T1_SGN_N)) + + ((f & (T1_SIG_S | T1_SGN_S)) == + (T1_SIG_S | T1_SGN_S)), 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; + } + return T1_CTXNO_SC + n; } int t1_init_ctxno_mag(int f) { - int n; - if (!(f & T1_REFINE)) - n = (f & (T1_SIG_OTH)) ? 1 : 0; - else - n = 2; - return T1_CTXNO_MAG + n; + int n; + if (!(f & T1_REFINE)) + n = (f & (T1_SIG_OTH)) ? 1 : 0; + else + n = 2; + return T1_CTXNO_MAG + n; } int t1_init_spb(int f) { - int hc, vc, n; - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == - T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == - (T1_SIG_E | T1_SGN_E)) + - ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == - T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == - (T1_SIG_N | T1_SGN_N)) + - ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 1); - if (!hc && !vc) - n = 0; - else - n = (!(hc > 0 || (!hc && vc > 0))); - return n; + int hc, vc, n; + hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == + T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), + 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == + (T1_SIG_E | T1_SGN_E)) + + ((f & (T1_SIG_W | T1_SGN_W)) == + (T1_SIG_W | T1_SGN_W)), 1); + vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == + T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), + 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == + (T1_SIG_N | T1_SGN_N)) + + ((f & (T1_SIG_S | T1_SGN_S)) == + (T1_SIG_S | T1_SGN_S)), 1); + if (!hc && !vc) + n = 0; + else + n = (!(hc > 0 || (!hc && vc > 0))); + return n; } void t1_init_luts() { - int i, j; - double u, v, t; - for (j = 0; j < 4; j++) { - for (i = 0; i < 256; ++i) { - t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j); - } - } - for (i = 0; i < 256; i++) { - t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4); - } - for (j = 0; j < 2; j++) { - for (i = 0; i < 2048; ++i) { - t1_lut_ctxno_mag[(j << 11) + i] = - t1_init_ctxno_mag((j ? T1_REFINE : 0) | i); - } - } + int i, j; + double u, v, t; + for (j = 0; j < 4; j++) { for (i = 0; i < 256; ++i) { - t1_lut_spb[i] = t1_init_spb(i << 4); + t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j); } - /* FIXME FIXME FIXME */ - /* printf("nmsedec luts:\n"); */ - for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) { - t = i / pow(2, T1_NMSEDEC_FRACBITS); - u = t; - v = t - 1.5; - t1_lut_nmsedec_sig[i] = - int_max(0, - (int) (floor - ((u * u - v * v) * pow(2, - T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - t1_lut_nmsedec_sig0[i] = - int_max(0, - (int) (floor - ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - u = t - 1.0; - if (i & (1 << (T1_NMSEDEC_BITS - 1))) { - v = t - 1.5; - } else { - v = t - 0.5; - } - t1_lut_nmsedec_ref[i] = - int_max(0, - (int) (floor - ((u * u - v * v) * pow(2, - T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - t1_lut_nmsedec_ref0[i] = - int_max(0, - (int) (floor - ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); + } + for (i = 0; i < 256; i++) { + t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4); + } + for (j = 0; j < 2; j++) { + for (i = 0; i < 2048; ++i) { + t1_lut_ctxno_mag[(j << 11) + i] = + t1_init_ctxno_mag((j ? T1_REFINE : 0) | i); + } + } + for (i = 0; i < 256; ++i) { + t1_lut_spb[i] = t1_init_spb(i << 4); + } + /* FIXME FIXME FIXME */ + /* printf("nmsedec luts:\n"); */ + for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) { + t = i / pow(2, T1_NMSEDEC_FRACBITS); + u = t; + v = t - 1.5; + t1_lut_nmsedec_sig[i] = + int_max(0, + (int) (floor + ((u * u - v * v) * pow(2, + T1_NMSEDEC_FRACBITS) + + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); + t1_lut_nmsedec_sig0[i] = + int_max(0, + (int) (floor + ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); + u = t - 1.0; + if (i & (1 << (T1_NMSEDEC_BITS - 1))) { + v = t - 1.5; + } else { + v = t - 0.5; } + t1_lut_nmsedec_ref[i] = + int_max(0, + (int) (floor + ((u * u - v * v) * pow(2, + T1_NMSEDEC_FRACBITS) + + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); + t1_lut_nmsedec_ref0[i] = + int_max(0, + (int) (floor + ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); + } } |
