int *nmsedec,
char type,
int vsc);
+
/**
Decode significant pass
*/
static void t1_dec_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ OPJ_INT32 *datap,
+ OPJ_UINT32 orient,
+ OPJ_INT32 oneplushalf,
+ OPJ_BYTE type,
+ OPJ_UINT32 vsc);
+/**
+Decode significant pass
+*/
+static INLINE void t1_dec_sigpass_step_raw(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf,
+ int vsc);
+static INLINE void t1_dec_sigpass_step_mqc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf);
+static INLINE void t1_dec_sigpass_step_mqc_vsc(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int orient,
int oneplushalf,
- char type,
int vsc);
/**
Encode significant pass
int *nmsedec,
char type,
int cblksty);
+
/**
Decode significant pass
*/
static void t1_dec_sigpass(
+ opj_t1_t *t1,
+ OPJ_INT32 bpno,
+ OPJ_UINT32 orient,
+ OPJ_BYTE type,
+ OPJ_UINT32 cblksty);
+
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass_raw(
opj_t1_t *t1,
int bpno,
int orient,
- char type,
int cblksty);
+static void t1_dec_sigpass_mqc(
+ opj_t1_t *t1,
+ int bpno,
+ int orient);
+static void t1_dec_sigpass_mqc_vsc(
+ opj_t1_t *t1,
+ int bpno,
+ int orient);
/**
Encode refinement pass
*/
/**
Decode refinement pass
*/
-static void t1_dec_refpass_step(
+static void INLINE t1_dec_refpass_step_raw(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int poshalf,
+ int neghalf,
+ int vsc);
+static void INLINE t1_dec_refpass_step_mqc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int poshalf,
+ int neghalf);
+static void INLINE t1_dec_refpass_step_mqc_vsc(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int poshalf,
int neghalf,
- char type,
int vsc);
+
/**
Encode refinement pass
*/
int *nmsedec,
char type,
int cblksty);
+
/**
Decode refinement pass
*/
static void t1_dec_refpass(
+ opj_t1_t *t1,
+ OPJ_INT32 bpno,
+ OPJ_BYTE type,
+ OPJ_UINT32 cblksty);
+
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ OPJ_INT32 *datap,
+ OPJ_INT32 poshalf,
+ OPJ_INT32 neghalf,
+ OPJ_BYTE type,
+ OPJ_UINT32 vsc);
+
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_raw(
opj_t1_t *t1,
int bpno,
- char type,
int cblksty);
+static void t1_dec_refpass_mqc(
+ opj_t1_t *t1,
+ int bpno);
+static void t1_dec_refpass_mqc_vsc(
+ opj_t1_t *t1,
+ int bpno);
/**
Encode clean-up pass
*/
/**
Decode clean-up pass
*/
+static void t1_dec_clnpass_step_partial(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf);
static void t1_dec_clnpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf);
+static void t1_dec_clnpass_step_vsc(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int bpno,
int qmfbid,
double stepsize,
- int numcomps);
+ int numcomps,
+ int mct);
/**
Encode 1 code-block
@param t1 T1 handle
@param stepsize
@param cblksty Code-block style
@param numcomps
+@param mct
@param tile
*/
static void t1_encode_cblk(
opj_t1_t *t1,
- opj_tcd_cblk_t * cblk,
+ opj_tcd_cblk_enc_t* cblk,
int orient,
int compno,
int level,
double stepsize,
int cblksty,
int numcomps,
+ int mct,
opj_tcd_tile_t * tile);
/**
Decode 1 code-block
*/
static void t1_decode_cblk(
opj_t1_t *t1,
- opj_tcd_cblk_t * cblk,
+ opj_tcd_cblk_dec_t* cblk,
int orient,
int roishift,
int cblksty);
+/**
+Decode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param roishift Region of interest shifting value
+@param cblksty Code-block style
+*/
+static void t1_decode_cblk_v2(
+ opj_t1_t *t1,
+ opj_tcd_cblk_dec_v2_t* cblk,
+ OPJ_UINT32 orient,
+ OPJ_UINT32 roishift,
+ OPJ_UINT32 cblksty);
+
/*@}*/
/*@}*/
}
}
-static void t1_dec_sigpass_step(
+static INLINE void t1_dec_sigpass_step_raw(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int orient,
int oneplushalf,
- char type,
int vsc)
{
int v, flag;
-
opj_raw_t *raw = t1->raw; /* RAW component */
- opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ OPJ_ARG_NOT_USED(orient);
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
- if (type == T1_TYPE_RAW) {
if (raw_decode(raw)) {
v = raw_decode(raw); /* ESSAI */
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
}
- } else {
+ *flagsp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static INLINE void t1_dec_sigpass_step_mqc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf)
+{
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = *flagsp;
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
if (mqc_decode(mqc)) {
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
}
+ *flagsp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static INLINE void t1_dec_sigpass_step_mqc_vsc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf,
+ int vsc)
+{
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
*flagsp |= T1_VISIT;
}
}
}
-static void t1_dec_sigpass(
+static void t1_dec_sigpass_raw(
opj_t1_t *t1,
int bpno,
int orient,
- char type,
int cblksty)
{
int i, j, k, one, half, oneplushalf, vsc;
for (i = 0; i < t1->w; ++i) {
for (j = k; j < k + 4 && j < t1->h; ++j) {
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
- t1_dec_sigpass_step(
+ t1_dec_sigpass_step_raw(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + i],
+ orient,
+ oneplushalf,
+ vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_sigpass_mqc(
+ opj_t1_t *t1,
+ int bpno,
+ int orient)
+{
+ int i, j, k, one, half, oneplushalf;
+ int *data1 = t1->data;
+ flag_t *flags1 = &t1->flags[1];
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < (t1->h & ~3); k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ flags2 += t1->flags_stride;
+ t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ }
+ data1 += t1->w << 2;
+ flags1 += t1->flags_stride << 2;
+ }
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ for (j = k; j < t1->h; ++j) {
+ flags2 += t1->flags_stride;
+ t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_sigpass_mqc_vsc(
+ opj_t1_t *t1,
+ int bpno,
+ int orient)
+{
+ int i, j, k, one, half, oneplushalf, vsc;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
+ t1_dec_sigpass_step_mqc_vsc(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
orient,
oneplushalf,
- type,
vsc);
}
}
}
}
-static void t1_dec_refpass_step(
+static INLINE void t1_dec_refpass_step_raw(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int poshalf,
int neghalf,
- char type,
int vsc)
{
int v, t, flag;
- opj_mqc_t *mqc = t1->mqc; /* MQC component */
opj_raw_t *raw = t1->raw; /* RAW component */
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
- mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
- if (type == T1_TYPE_RAW) {
v = raw_decode(raw);
- } else {
+ t = v ? poshalf : neghalf;
+ *datap += *datap < 0 ? -t : t;
+ *flagsp |= T1_REFINE;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static INLINE void t1_dec_refpass_step_mqc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int poshalf,
+ int neghalf)
+{
+ int v, t, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = *flagsp;
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
v = mqc_decode(mqc);
+ t = v ? poshalf : neghalf;
+ *datap += *datap < 0 ? -t : t;
+ *flagsp |= T1_REFINE;
}
+} /* VSC and BYPASS by Antonin */
+
+static INLINE void t1_dec_refpass_step_mqc_vsc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int poshalf,
+ int neghalf,
+ int vsc)
+{
+ int v, t, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
+ v = mqc_decode(mqc);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_REFINE;
}
}
-static void t1_dec_refpass(
+static void t1_dec_refpass_raw(
opj_t1_t *t1,
int bpno,
- char type,
int cblksty)
{
int i, j, k, one, poshalf, neghalf;
for (i = 0; i < t1->w; ++i) {
for (j = k; j < k + 4 && j < t1->h; ++j) {
vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
- t1_dec_refpass_step(
+ t1_dec_refpass_step_raw(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + i],
+ poshalf,
+ neghalf,
+ vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_refpass_mqc(
+ opj_t1_t *t1,
+ int bpno)
+{
+ int i, j, k, one, poshalf, neghalf;
+ int *data1 = t1->data;
+ flag_t *flags1 = &t1->flags[1];
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < (t1->h & ~3); k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ flags2 += t1->flags_stride;
+ t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+ data2 += t1->w;
+ }
+ data1 += t1->w << 2;
+ flags1 += t1->flags_stride << 2;
+ }
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ for (j = k; j < t1->h; ++j) {
+ flags2 += t1->flags_stride;
+ t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+ data2 += t1->w;
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_refpass_mqc_vsc(
+ opj_t1_t *t1,
+ int bpno)
+{
+ int i, j, k, one, poshalf, neghalf;
+ int vsc;
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_refpass_step_mqc_vsc(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
poshalf,
neghalf,
- type,
vsc);
}
}
*flagsp &= ~T1_VISIT;
}
+static void t1_dec_clnpass_step_partial(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf)
+{
+ int v, flag;
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ OPJ_ARG_NOT_USED(orient);
+
+ flag = *flagsp;
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
+ *flagsp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
+
static void t1_dec_clnpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int orient,
- int oneplushalf,
- int partial,
- int vsc)
+ int oneplushalf)
{
int v, flag;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
- flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
- if (partial) {
+ flag = *flagsp;
+ if (!(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
+ }
+ }
+ *flagsp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_clnpass_step_vsc(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ int orient,
+ int oneplushalf,
+ int partial,
+ int vsc)
+{
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if (partial) {
goto LABEL_PARTIAL;
}
if (!(flag & (T1_SIG | T1_VISIT))) {
}
}
*flagsp &= ~T1_VISIT;
-} /* VSC and BYPASS by Antonin */
+}
static void t1_enc_clnpass(
opj_t1_t *t1,
one = 1 << bpno;
half = one >> 1;
oneplushalf = one | half;
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
for (k = 0; k < t1->h; k += 4) {
for (i = 0; i < t1->w; ++i) {
if (k + 3 < t1->h) {
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {
agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
|| (MACRO_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 = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
- || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
- }
- } else {
agg = 0;
}
if (agg) {
runlen = 0;
}
for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
- t1_dec_clnpass_step(
+ vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
+ t1_dec_clnpass_step_vsc(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
}
}
}
+ } else {
+ int *data1 = t1->data;
+ flag_t *flags1 = &t1->flags[1];
+ for (k = 0; k < (t1->h & ~3); k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ if (agg) {
+ mqc_setcurctx(mqc, T1_CTXNO_AGG);
+ if (!mqc_decode(mqc)) {
+ continue;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ runlen = mqc_decode(mqc);
+ runlen = (runlen << 1) | mqc_decode(mqc);
+ flags2 += runlen * t1->flags_stride;
+ data2 += runlen * t1->w;
+ for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+ flags2 += t1->flags_stride;
+ if (agg && (j == k + runlen)) {
+ t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf);
+ } else {
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ }
+ data2 += t1->w;
+ }
+ } else {
+ flags2 += t1->flags_stride;
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ flags2 += t1->flags_stride;
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ }
+ }
+ data1 += t1->w << 2;
+ flags1 += t1->flags_stride << 2;
+ }
+ for (i = 0; i < t1->w; ++i) {
+ int *data2 = data1 + i;
+ flag_t *flags2 = flags1 + i;
+ for (j = k; j < t1->h; ++j) {
+ flags2 += t1->flags_stride;
+ t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+ data2 += t1->w;
+ }
+ }
+ }
+
if (segsym) {
int v = 0;
mqc_setcurctx(mqc, T1_CTXNO_UNI);
int bpno,
int qmfbid,
double stepsize,
- int numcomps)
+ int numcomps,
+ int mct)
{
double w1, w2, wmsedec;
if (qmfbid == 1) {
- w1 = (numcomps > 1) ? mct_getnorm(compno) : 1.0;
+ w1 = (mct && numcomps==3) ? mct_getnorm(compno) : 1.0;
w2 = dwt_getnorm(level, orient);
} else { /* if (qmfbid == 0) */
- w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1.0;
+ w1 = (mct && numcomps==3) ? mct_getnorm_real(compno) : 1.0;
w2 = dwt_getnorm_real(level, orient);
}
wmsedec = w1 * w2 * stepsize * (1 << bpno);
return wmsedec;
}
-static bool allocate_buffers(
+static opj_bool allocate_buffers(
opj_t1_t *t1,
int w,
int h)
opj_aligned_free(t1->data);
t1->data = (int*) opj_aligned_malloc(datasize * sizeof(int));
if(!t1->data){
- return false;
+ return OPJ_FALSE;
}
t1->datasize=datasize;
}
opj_aligned_free(t1->flags);
t1->flags = (flag_t*) opj_aligned_malloc(flagssize * sizeof(flag_t));
if(!t1->flags){
- return false;
+ return OPJ_FALSE;
}
t1->flagssize=flagssize;
}
t1->w=w;
t1->h=h;
- return true;
+ return OPJ_TRUE;
}
/** mod fixed_quality */
static void t1_encode_cblk(
opj_t1_t *t1,
- opj_tcd_cblk_t * cblk,
+ opj_tcd_cblk_enc_t* cblk,
int orient,
int compno,
int level,
double stepsize,
int cblksty,
int numcomps,
+ int mct,
opj_tcd_tile_t * tile)
{
- int i, j;
- int passno;
- int bpno, passtype;
- int max;
- int nmsedec = 0;
double cumwmsedec = 0.0;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ int passno, bpno, passtype;
+ int nmsedec = 0;
+ int i, max;
char type = T1_TYPE_MQ;
double tempwmsedec;
-
- opj_mqc_t *mqc = t1->mqc; /* MQC component */
-
+
max = 0;
- for (j = 0; j < t1->h; ++j) {
- for (i = 0; i < t1->w; ++i) {
- max = int_max(max, int_abs(t1->data[(j * t1->w) + i]));
- }
+ for (i = 0; i < t1->w * t1->h; ++i) {
+ int tmp = abs(t1->data[i]);
+ max = int_max(max, tmp);
}
-
+
cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
bpno = cblk->numbps - 1;
}
/* fixed_quality */
- tempwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);
+ tempwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps, mct);
cumwmsedec += tempwmsedec;
tile->distotile += tempwmsedec;
static void t1_decode_cblk(
opj_t1_t *t1,
- opj_tcd_cblk_t * cblk,
+ opj_tcd_cblk_dec_t* cblk,
int orient,
int roishift,
int cblksty)
{
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
int bpno, passtype;
int segno, passno;
char type = T1_TYPE_MQ; /* BYPASS mode */
-
- opj_raw_t *raw = t1->raw; /* RAW component */
- opj_mqc_t *mqc = t1->mqc; /* MQC component */
if(!allocate_buffers(
t1,
/* BYPASS mode */
type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ /* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
+ if(seg->data == NULL){
+ continue;
+ }
if (type == T1_TYPE_RAW) {
- raw_init_dec(raw, seg->data, seg->len);
+ raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
} else {
- mqc_init_dec(mqc, seg->data, seg->len);
+ mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len);
}
for (passno = 0; passno < seg->numpasses; ++passno) {
switch (passtype) {
case 0:
- t1_dec_sigpass(t1, bpno+1, orient, type, cblksty);
+ if (type == T1_TYPE_RAW) {
+ t1_dec_sigpass_raw(t1, bpno+1, orient, cblksty);
+ } else {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ t1_dec_sigpass_mqc_vsc(t1, bpno+1, orient);
+ } else {
+ t1_dec_sigpass_mqc(t1, bpno+1, orient);
+ }
+ }
break;
case 1:
- t1_dec_refpass(t1, bpno+1, type, cblksty);
+ if (type == T1_TYPE_RAW) {
+ t1_dec_refpass_raw(t1, bpno+1, cblksty);
+ } else {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ t1_dec_refpass_mqc_vsc(t1, bpno+1);
+ } else {
+ t1_dec_refpass_mqc(t1, bpno+1);
+ }
+ }
break;
case 2:
t1_dec_clnpass(t1, bpno+1, orient, cblksty);
tile->distotile = 0; /* fixed_quality */
for (compno = 0; compno < tile->numcomps; ++compno) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+ opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
+ opj_tccp_t* tccp = &tcp->tccps[compno];
+ int tile_w = tilec->x1 - tilec->x0;
for (resno = 0; resno < tilec->numresolutions; ++resno) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; ++bandno) {
- opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_band_t* restrict band = &res->bands[bandno];
+ int bandconst = 8192 * 8192 / ((int) floor(band->stepsize * 8192));
for (precno = 0; precno < res->pw * res->ph; ++precno) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
- int x, y, w, i, j;
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
-
- x = cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
+ opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
+ int* restrict datap;
+ int* restrict tiledp;
+ int cblk_w;
+ int cblk_h;
+ int i, j;
+
+ int x = cblk->x0 - band->x0;
+ int y = cblk->y0 - band->y0;
if (band->bandno & 1) {
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
x += pres->x1 - pres->x0;
return;
}
- w = tilec->x1 - tilec->x0;
- if (tcp->tccps[compno].qmfbid == 1) {
- for (j = 0; j < t1->h; ++j) {
- for (i = 0; i < t1->w; ++i) {
- t1->data[(j * t1->w) + i] =
- tilec->data[(x + i) + (y + j) * w] << T1_NMSEDEC_FRACBITS;
+ datap=t1->data;
+ cblk_w = t1->w;
+ cblk_h = t1->h;
+
+ tiledp=&tilec->data[(y * tile_w) + x];
+ if (tccp->qmfbid == 1) {
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ int tmp = tiledp[(j * tile_w) + i];
+ datap[(j * cblk_w) + i] = tmp << T1_NMSEDEC_FRACBITS;
}
}
- } else { /* if (tcp->tccps[compno].qmfbid == 0) */
- for (j = 0; j < t1->h; ++j) {
- for (i = 0; i < t1->w; ++i) {
- t1->data[(j * t1->w) + i] =
+ } else { /* if (tccp->qmfbid == 0) */
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ int tmp = tiledp[(j * tile_w) + i];
+ datap[(j * cblk_w) + i] =
fix_mul(
- tilec->data[x + i + (y + j) * w],
- 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (11 - T1_NMSEDEC_FRACBITS);
+ tmp,
+ bandconst) >> (11 - T1_NMSEDEC_FRACBITS);
}
}
}
band->bandno,
compno,
tilec->numresolutions - 1 - resno,
- tcp->tccps[compno].qmfbid,
+ tccp->qmfbid,
band->stepsize,
- tcp->tccps[compno].cblksty,
+ tccp->cblksty,
tile->numcomps,
+ tcp->mct,
tile);
} /* cblkno */
}
void t1_decode_cblks(
- opj_t1_t *t1,
- opj_tcd_tile_t *tile,
- opj_tcp_t *tcp)
+ opj_t1_t* t1,
+ opj_tcd_tilecomp_t* tilec,
+ opj_tccp_t* tccp)
{
- int compno, resno, bandno, precno, cblkno;
+ int resno, bandno, precno, cblkno;
+
+ int tile_w = tilec->x1 - tilec->x0;
+
+ for (resno = 0; resno < tilec->numresolutions; ++resno) {
+ opj_tcd_resolution_t* res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
+ opj_tcd_band_t* restrict band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; ++precno) {
+ opj_tcd_precinct_t* precinct = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
+ opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
+ int* restrict datap;
+ int cblk_w, cblk_h;
+ int x, y;
+ int i, j;
+
+ t1_decode_cblk(
+ t1,
+ cblk,
+ band->bandno,
+ tccp->roishift,
+ tccp->cblksty);
+
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
+ opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
+ opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+ y += pres->y1 - pres->y0;
+ }
+
+ datap=t1->data;
+ cblk_w = t1->w;
+ cblk_h = t1->h;
+
+ if (tccp->roishift) {
+ int thresh = 1 << tccp->roishift;
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ int val = datap[(j * cblk_w) + i];
+ int mag = abs(val);
+ if (mag >= thresh) {
+ mag >>= tccp->roishift;
+ datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
+ }
+ }
+ }
+ }
+
+ if (tccp->qmfbid == 1) {
+ int* restrict tiledp = &tilec->data[(y * tile_w) + x];
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ int tmp = datap[(j * cblk_w) + i];
+ ((int*)tiledp)[(j * tile_w) + i] = tmp / 2;
+ }
+ }
+ } else { /* if (tccp->qmfbid == 0) */
+ float* restrict tiledp = (float*) &tilec->data[(y * tile_w) + x];
+ for (j = 0; j < cblk_h; ++j) {
+ float* restrict tiledp2 = tiledp;
+ for (i = 0; i < cblk_w; ++i) {
+ float tmp = *datap * band->stepsize;
+ *tiledp2 = tmp;
+ datap++;
+ tiledp2++;
+ }
+ tiledp += tile_w;
+ }
+ }
+ opj_free(cblk->data);
+ opj_free(cblk->segs);
+ } /* cblkno */
+ opj_free(precinct->cblks.dec);
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+}
- for (compno = 0; compno < tile->numcomps; ++compno) {
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; ++resno) {
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; ++bandno) {
- opj_tcd_band_t *band = &res->bands[bandno];
+/* ----------------------------------------------------------------------- */
+/**
+ * Creates a new Tier 1 handle
+ * and initializes the look-up tables of the Tier-1 coder/decoder
+ * @return a new T1 handle if successful, returns NULL otherwise
+*/
+opj_t1_t* t1_create_v2()
+{
+ opj_t1_t *l_t1 = 00;
- for (precno = 0; precno < res->pw * res->ph; ++precno) {
- opj_tcd_precinct_t *prc = &band->precincts[precno];
+ l_t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t));
+ if
+ (!l_t1)
+ {
+ return 00;
+ }
+ memset(l_t1,0,sizeof(opj_t1_t));
- for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
- int x, y, w, i, j, cblk_w, cblk_h;
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ /* create MQC and RAW handles */
+ l_t1->mqc = mqc_create();
+ if
+ (! l_t1->mqc)
+ {
+ t1_destroy(l_t1);
+ return 00;
+ }
+ l_t1->raw = raw_create();
+ if
+ (! l_t1->raw)
+ {
+ t1_destroy(l_t1);
+ return 00;
+ }
+ return l_t1;
+}
- t1_decode_cblk(
- t1,
- cblk,
- band->bandno,
- tcp->tccps[compno].roishift,
- tcp->tccps[compno].cblksty);
- x = cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- if (band->bandno & 1) {
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- x += pres->x1 - pres->x0;
- }
- if (band->bandno & 2) {
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
- y += pres->y1 - pres->y0;
- }
+/**
+ * Destroys a previously created T1 handle
+ *
+ * @param p_t1 Tier 1 handle to destroy
+*/
+void t1_destroy_v2(opj_t1_t *p_t1)
+{
+ if
+ (! p_t1)
+ {
+ return;
+ }
- cblk_w = cblk->x1 - cblk->x0;
- cblk_h = cblk->y1 - cblk->y0;
+ /* destroy MQC and RAW handles */
+ mqc_destroy(p_t1->mqc);
+ p_t1->mqc = 00;
+ raw_destroy(p_t1->raw);
+ p_t1->raw = 00;
+ if
+ (p_t1->data)
+ {
+ opj_aligned_free(p_t1->data);
+ p_t1->data = 00;
+ }
+ if
+ (p_t1->flags)
+ {
+ opj_aligned_free(p_t1->flags);
+ p_t1->flags = 00;
+ }
+ opj_free(p_t1);
+}
- if (tcp->tccps[compno].roishift) {
- int thresh = 1 << tcp->tccps[compno].roishift;
- for (j = 0; j < cblk_h; ++j) {
- for (i = 0; i < cblk_w; ++i) {
- int val = t1->data[(j * t1->w) + i];
- int mag = int_abs(val);
- if (mag >= thresh) {
- mag >>= tcp->tccps[compno].roishift;
- t1->data[(j * t1->w) + i] = val < 0 ? -mag : mag;
- }
+void t1_decode_cblks_v2(
+ opj_t1_t* t1,
+ opj_tcd_tilecomp_v2_t* tilec,
+ opj_tccp_t* tccp)
+{
+ OPJ_UINT32 resno, bandno, precno, cblkno;
+ OPJ_UINT32 tile_w = tilec->x1 - tilec->x0;
+
+ for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
+ opj_tcd_resolution_v2_t* res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
+ opj_tcd_band_v2_t* restrict band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; ++precno) {
+ opj_tcd_precinct_v2_t* precinct = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
+ opj_tcd_cblk_dec_v2_t* cblk = &precinct->cblks.dec[cblkno];
+ OPJ_INT32* restrict datap;
+ void* restrict tiledp;
+ OPJ_UINT32 cblk_w, cblk_h;
+ OPJ_INT32 x, y;
+ OPJ_UINT32 i, j;
+
+ t1_decode_cblk_v2(
+ t1,
+ cblk,
+ band->bandno,
+ tccp->roishift,
+ tccp->cblksty);
+
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
+ opj_tcd_resolution_v2_t* pres = &tilec->resolutions[resno - 1];
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
+ opj_tcd_resolution_v2_t* pres = &tilec->resolutions[resno - 1];
+ y += pres->y1 - pres->y0;
+ }
+
+ datap=t1->data;
+ cblk_w = t1->w;
+ cblk_h = t1->h;
+
+ if (tccp->roishift) {
+ OPJ_INT32 thresh = 1 << tccp->roishift;
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ OPJ_INT32 val = datap[(j * cblk_w) + i];
+ OPJ_INT32 mag = abs(val);
+ if (mag >= thresh) {
+ mag >>= tccp->roishift;
+ datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
}
}
}
-
- w = tilec->x1 - tilec->x0;
- if (tcp->tccps[compno].qmfbid == 1) {
- for (j = 0; j < cblk_h; ++j) {
- for (i = 0; i < cblk_w; ++i) {
- tilec->data[x + i + (y + j) * w] = t1->data[(j * t1->w) + i]/2;
- }
+ }
+
+ tiledp=(void*)&tilec->data[(y * tile_w) + x];
+ if (tccp->qmfbid == 1) {
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ OPJ_INT32 tmp = datap[(j * cblk_w) + i];
+ ((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2;
}
- } else { /* if (tcp->tccps[compno].qmfbid == 0) */
- for (j = 0; j < cblk_h; ++j) {
- for (i = 0; i < cblk_w; ++i) {
- if (t1->data[(j * t1->w) + i] >> 1 == 0) {
- tilec->data[x + i + (y + j) * w] = 0;
- } else {
- double tmp = (double)(t1->data[(j * t1->w) + i] * band->stepsize * 4096.0);
- int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
- tilec->data[x + i + (y + j) * w] = ((tmp<0)?-tmp2:tmp2);
- }
- }
+ }
+ } else { /* if (tccp->qmfbid == 0) */
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ float tmp = datap[(j * cblk_w) + i] * band->stepsize;
+ ((float*)tiledp)[(j * tile_w) + i] = tmp;
}
}
- } /* cblkno */
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compno */
+ }
+ //opj_free(cblk->segs);
+ //cblk->segs = 00;
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
}
+
+static void t1_decode_cblk_v2(
+ opj_t1_t *t1,
+ opj_tcd_cblk_dec_v2_t* cblk,
+ OPJ_UINT32 orient,
+ OPJ_UINT32 roishift,
+ OPJ_UINT32 cblksty)
+{
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ OPJ_INT32 bpno;
+ OPJ_UINT32 passtype;
+ OPJ_UINT32 segno, passno;
+ OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
+
+ if(!allocate_buffers(
+ t1,
+ cblk->x1 - cblk->x0,
+ cblk->y1 - cblk->y0))
+ {
+ return;
+ }
+
+ bpno = roishift + cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+
+ for (segno = 0; segno < cblk->real_num_segs; ++segno) {
+ opj_tcd_seg_t *seg = &cblk->segs[segno];
+
+ /* BYPASS mode */
+ type = ((bpno <= ((OPJ_INT32) (cblk->numbps) - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ /* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
+ if(seg->data == 00){
+ continue;
+ }
+ if (type == T1_TYPE_RAW) {
+ raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
+ } else {
+ mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len);
+ }
+
+ for (passno = 0; passno < seg->real_num_passes; ++passno) {
+ switch (passtype) {
+ case 0:
+ t1_dec_sigpass(t1, bpno+1, orient, type, cblksty);
+ break;
+ case 1:
+ t1_dec_refpass(t1, bpno+1, type, cblksty);
+ break;
+ case 2:
+ t1_dec_clnpass(t1, bpno+1, orient, cblksty);
+ break;
+ }
+
+ if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+ }
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
+ }
+ }
+}
+
+static void t1_dec_refpass(
+ opj_t1_t *t1,
+ OPJ_INT32 bpno,
+ OPJ_BYTE type,
+ OPJ_UINT32 cblksty)
+{
+ OPJ_UINT32 i, j, k;
+ OPJ_INT32 one, poshalf, neghalf;
+ OPJ_UINT32 vsc;
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_refpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + i],
+ poshalf,
+ neghalf,
+ type,
+ vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+
+static void t1_dec_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ OPJ_INT32 *datap,
+ OPJ_INT32 poshalf,
+ OPJ_INT32 neghalf,
+ OPJ_BYTE type,
+ OPJ_UINT32 vsc)
+{
+ OPJ_INT32 t;
+ OPJ_UINT32 v,flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+ opj_raw_t *raw = t1->raw; /* RAW component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
+ if (type == T1_TYPE_RAW) {
+ v = raw_decode(raw);
+ } else {
+ v = mqc_decode(mqc);
+ }
+ t = v ? poshalf : neghalf;
+ *datap += *datap < 0 ? -t : t;
+ *flagsp |= T1_REFINE;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_sigpass(
+ opj_t1_t *t1,
+ OPJ_INT32 bpno,
+ OPJ_UINT32 orient,
+ OPJ_BYTE type,
+ OPJ_UINT32 cblksty)
+{
+ OPJ_UINT32 i, j, k, vsc;
+ OPJ_INT32 one, half, oneplushalf;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_sigpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + i],
+ orient,
+ oneplushalf,
+ type,
+ vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_dec_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ OPJ_INT32 *datap,
+ OPJ_UINT32 orient,
+ OPJ_INT32 oneplushalf,
+ OPJ_BYTE type,
+ OPJ_UINT32 vsc)
+{
+ OPJ_UINT32 v, flag;
+
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ if (type == T1_TYPE_RAW) {
+ if (raw_decode(raw)) {
+ v = raw_decode(raw); /* ESSAI */
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
+ }
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
+ }
+ }
+ *flagsp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
+