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Patch suggested by Callum Lerwick <seg@haxxed.com>: "This makes the t1 data arrays dynamic, which greatly reduces cache thrashing. Also, some minor cleanup to prevent unnecessary casts"

This commit is contained in:
Francois-Olivier Devaux 2007-05-22 13:14:13 +00:00
parent 1bec8fe082
commit 8be8111008
2 changed files with 210 additions and 180 deletions
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369
libopenjpeg/t1.c
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@ -45,14 +45,14 @@ static char t1_getctxno_mag(int f);
static char t1_getspb(int f);
static short t1_getnmsedec_sig(int x, int bitpos);
static short t1_getnmsedec_ref(int x, int bitpos);
static void t1_updateflags(flag_t *flagsp, int s);
static void t1_updateflags(flag_t *flagsp, int s, int stride);
/**
Encode significant pass
*/
static void t1_enc_sigpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int bpno,
int one,
@ -65,7 +65,7 @@ Decode significant pass
static void t1_dec_sigpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int oneplushalf,
char type,
@ -75,8 +75,6 @@ Encode significant pass
*/
static void t1_enc_sigpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int *nmsedec,
@ -87,8 +85,6 @@ Decode significant pass
*/
static void t1_dec_sigpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
char type,
@ -99,7 +95,7 @@ Encode refinement pass
static void t1_enc_refpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int bpno,
int one,
int *nmsedec,
@ -111,7 +107,7 @@ Decode refinement pass
static void t1_dec_refpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int poshalf,
int neghalf,
char type,
@ -121,8 +117,6 @@ Encode refinement pass
*/
static void t1_enc_refpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int *nmsedec,
char type,
@ -132,8 +126,6 @@ Decode refinement pass
*/
static void t1_dec_refpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
char type,
int cblksty);
@ -143,7 +135,7 @@ Encode clean-up pass
static void t1_enc_clnpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int bpno,
int one,
@ -156,7 +148,7 @@ Decode clean-up pass
static void t1_dec_clnpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int oneplushalf,
int partial,
@ -166,8 +158,6 @@ Encode clean-up pass
*/
static void t1_enc_clnpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int *nmsedec,
@ -177,8 +167,6 @@ Decode clean-up pass
*/
static void t1_dec_clnpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int cblksty);
@ -268,29 +256,33 @@ static short t1_getnmsedec_ref(int x, int bitpos) {
return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
static void t1_updateflags(flag_t *flagsp, int s) {
flag_t *np = flagsp - (T1_MAXCBLKW + 2);
flag_t *sp = flagsp + (T1_MAXCBLKW + 2);
static void t1_updateflags(flag_t *flagsp, int s, int stride) {
flag_t *np = flagsp - stride;
flag_t *sp = flagsp + stride;
static const flag_t mod[] = {
T1_SIG_S, T1_SIG_N, T1_SIG_E, T1_SIG_W,
T1_SIG_S | T1_SGN_S, T1_SIG_N | T1_SGN_N, T1_SIG_E | T1_SGN_E, T1_SIG_W | T1_SGN_W
};
s <<= 2;
np[-1] |= T1_SIG_SE;
np[0] |= mod[s];
np[1] |= T1_SIG_SW;
flagsp[-1] |= mod[s+2];
flagsp[1] |= mod[s+3];
sp[-1] |= T1_SIG_NE;
sp[0] |= mod[s+1];
sp[1] |= T1_SIG_NW;
*np |= T1_SIG_S;
*sp |= T1_SIG_N;
flagsp[-1] |= T1_SIG_E;
flagsp[1] |= T1_SIG_W;
if (s) {
*np |= T1_SGN_S;
*sp |= T1_SGN_N;
flagsp[-1] |= T1_SGN_E;
flagsp[1] |= T1_SGN_W;
}
}
static void t1_enc_sigpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int bpno,
int one,
@ -304,7 +296,7 @@ static void t1_enc_sigpass_step(
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))) {
v = int_abs(*dp) & one ? 1 : 0;
v = int_abs(*datap) & one ? 1 : 0;
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); /* ESSAI */
mqc_bypass_enc(mqc, v);
@ -313,8 +305,8 @@ static void t1_enc_sigpass_step(
mqc_encode(mqc, v);
}
if (v) {
v = *dp < 0 ? 1 : 0;
*nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
v = *datap < 0 ? 1 : 0;
*nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
mqc_setcurctx(mqc, t1_getctxno_sc(flag)); /* ESSAI */
mqc_bypass_enc(mqc, v);
@ -322,7 +314,7 @@ static void t1_enc_sigpass_step(
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
mqc_encode(mqc, v ^ t1_getspb(flag));
}
t1_updateflags(flagsp, v);
t1_updateflags(flagsp, v, t1->flags_stride);
*flagsp |= T1_SIG;
}
*flagsp |= T1_VISIT;
@ -332,7 +324,7 @@ static void t1_enc_sigpass_step(
static void t1_dec_sigpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int oneplushalf,
char type,
@ -348,8 +340,8 @@ static void t1_dec_sigpass_step(
if (type == T1_TYPE_RAW) {
if (raw_decode(raw)) {
v = raw_decode(raw); /* ESSAI */
*dp = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v);
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
*flagsp |= T1_SIG;
}
} else {
@ -357,8 +349,8 @@ static void t1_dec_sigpass_step(
if (mqc_decode(mqc)) {
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
v = mqc_decode(mqc) ^ t1_getspb(flag);
*dp = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v);
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
*flagsp |= T1_SIG;
}
}
@ -368,8 +360,6 @@ static void t1_dec_sigpass_step(
static void t1_enc_sigpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int *nmsedec,
@ -379,14 +369,14 @@ static void t1_enc_sigpass(
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;
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_enc_sigpass_step(
t1,
&t1->flags[1 + j][1 + i],
&t1->data[j][i],
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
orient,
bpno,
one,
@ -400,8 +390,6 @@ static void t1_enc_sigpass(
static void t1_dec_sigpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
char type,
@ -411,14 +399,14 @@ static void t1_dec_sigpass(
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;
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[1 + j][1 + i],
&t1->data[j][i],
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
orient,
oneplushalf,
type,
@ -431,7 +419,7 @@ static void t1_dec_sigpass(
static void t1_enc_refpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int bpno,
int one,
int *nmsedec,
@ -444,8 +432,8 @@ static void t1_enc_refpass_step(
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
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;
*nmsedec += t1_getnmsedec_ref(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
v = int_abs(*datap) & one ? 1 : 0;
if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
mqc_bypass_enc(mqc, v);
@ -460,7 +448,7 @@ static void t1_enc_refpass_step(
static void t1_dec_refpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int poshalf,
int neghalf,
char type,
@ -481,15 +469,13 @@ static void t1_dec_refpass_step(
v = mqc_decode(mqc);
}
t = v ? poshalf : neghalf;
*dp += *dp < 0 ? -t : t;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_REFINE;
}
} /* VSC and BYPASS by Antonin */
static void t1_enc_refpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int *nmsedec,
char type,
@ -498,14 +484,14 @@ static void t1_enc_refpass(
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;
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_enc_refpass_step(
t1,
&t1->flags[1 + j][1 + i],
&t1->data[j][i],
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
bpno,
one,
nmsedec,
@ -518,8 +504,6 @@ static void t1_enc_refpass(
static void t1_dec_refpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
char type,
int cblksty)
@ -529,14 +513,14 @@ static void t1_dec_refpass(
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;
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[1 + j][1 + i],
&t1->data[j][i],
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
poshalf,
neghalf,
type,
@ -549,7 +533,7 @@ static void t1_dec_refpass(
static void t1_enc_clnpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int bpno,
int one,
@ -567,15 +551,15 @@ static void t1_enc_clnpass_step(
}
if (!(*flagsp & (T1_SIG | T1_VISIT))) {
mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
v = int_abs(*dp) & one ? 1 : 0;
v = int_abs(*datap) & one ? 1 : 0;
mqc_encode(mqc, v);
if (v) {
LABEL_PARTIAL:
*nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
*nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
v = *dp < 0 ? 1 : 0;
v = *datap < 0 ? 1 : 0;
mqc_encode(mqc, v ^ t1_getspb(flag));
t1_updateflags(flagsp, v);
t1_updateflags(flagsp, v, t1->flags_stride);
*flagsp |= T1_SIG;
}
}
@ -585,7 +569,7 @@ LABEL_PARTIAL:
static void t1_dec_clnpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *dp,
int *datap,
int orient,
int oneplushalf,
int partial,
@ -605,8 +589,8 @@ static void t1_dec_clnpass_step(
LABEL_PARTIAL:
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
v = mqc_decode(mqc) ^ t1_getspb(flag);
*dp = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v);
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
*flagsp |= T1_SIG;
}
}
@ -615,8 +599,6 @@ LABEL_PARTIAL:
static void t1_enc_clnpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int *nmsedec,
@ -628,27 +610,27 @@ static void t1_enc_clnpass(
*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) {
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 = !(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]
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 = !(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));
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) {
for (runlen = 0; runlen < 4; ++runlen) {
if (int_abs(t1->data[k + runlen][i]) & one)
if (int_abs(t1->data[((k + runlen)*t1->w) + i]) & one)
break;
}
mqc_setcurctx(mqc, T1_CTXNO_AGG);
@ -662,9 +644,18 @@ static void t1_enc_clnpass(
} 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, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);
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_enc_clnpass_step(
t1,
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
orient,
bpno,
one,
nmsedec,
agg && (j == k + runlen),
vsc);
}
}
}
@ -672,8 +663,6 @@ static void t1_enc_clnpass(
static void t1_dec_clnpass(
opj_t1_t *t1,
int w,
int h,
int bpno,
int orient,
int cblksty)
@ -686,20 +675,20 @@ static void t1_dec_clnpass(
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) {
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 = !(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]
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 = !(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));
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;
@ -715,12 +704,12 @@ static void t1_dec_clnpass(
} 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;
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(
t1,
&t1->flags[1 + j][1 + i],
&t1->data[j][i],
&t1->flags[((j+1) * t1->flags_stride) + i + 1],
&t1->data[(j * t1->w) + i],
orient,
oneplushalf,
agg && (j == k + runlen),
@ -757,10 +746,10 @@ static double t1_getwmsedec(
{
double w1, w2, wmsedec;
if (qmfbid == 1) {
w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;
w1 = (numcomps > 1) ? mct_getnorm(compno) : 1.0;
w2 = dwt_getnorm(level, orient);
} else { /* if (qmfbid == 0) */
w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1.0;
w2 = dwt_getnorm_real(level, orient);
}
wmsedec = w1 * w2 * stepsize * (1 << bpno);
@ -769,6 +758,49 @@ static double t1_getwmsedec(
return wmsedec;
}
static void allocate_buffers(
opj_t1_t *t1,
int w,
int h)
{
int datasize;
int flagssize;
datasize=w * h;
//fprintf(stderr,"w=%i h=%i datasize=%i flagssize=%i\n",w,h,datasize,flagssize);
if(datasize > t1->datasize){
//fprintf(stderr,"Allocating t1->data: datasize=%i\n",datasize);
free(t1->data);
t1->data=malloc(datasize * sizeof(int));
if(!t1->data){
return;
}
t1->datasize=datasize;
}
//memset(t1->data,0xff,t1->datasize);
memset(t1->data,0,datasize * sizeof(int));
t1->flags_stride=w+2;
flagssize=t1->flags_stride * (h+2);
if(flagssize > t1->flagssize){
//fprintf(stderr,"Allocating t1->flags: flagssize=%i\n",flagssize);
free(t1->flags);
t1->flags=malloc(flagssize * sizeof(flag_t));
if(!t1->flags){
fprintf(stderr,"Allocating t1->flags FAILED!\n");
return;
}
t1->flagssize=flagssize;
}
//memset(t1->flags,0xff,t1->flagssize);
memset(t1->flags,0,flagssize * sizeof(flag_t));
t1->w=w;
t1->h=h;
}
/** mod fixed_quality */
static void t1_encode_cblk(
opj_t1_t *t1,
@ -783,32 +815,24 @@ static void t1_encode_cblk(
opj_tcd_tile_t * tile)
{
int i, j;
int w, h;
int passno;
int bpno, passtype;
int max;
int nmsedec = 0;
double cumwmsedec = 0;
double cumwmsedec = 0.0;
char type = T1_TYPE_MQ;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
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]));
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]));
}
}
cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
for (i = 0; i <= h; ++i) {
memset(&t1->flags[i], 0, (w+1) * sizeof(flag_t));
}
bpno = cblk->numbps - 1;
passtype = 2;
@ -825,13 +849,13 @@ static void t1_encode_cblk(
switch (passtype) {
case 0:
t1_enc_sigpass(t1, w, h, bpno, orient, &nmsedec, type, cblksty);
t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
break;
case 1:
t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);
t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
break;
case 2:
t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);
t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
/* code switch SEGMARK (i.e. SEGSYM) */
if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
mqc_segmark_enc(mqc);
@ -918,7 +942,6 @@ static void t1_decode_cblk(
int roishift,
int cblksty)
{
int i, w, h;
int bpno, passtype;
int segno, passno;
char type = T1_TYPE_MQ; /* BYPASS mode */
@ -926,16 +949,10 @@ static void t1_decode_cblk(
opj_raw_t *raw = t1->raw; /* RAW component */
opj_mqc_t *mqc = t1->mqc; /* MQC component */
w = cblk->x1 - cblk->x0;
h = cblk->y1 - cblk->y0;
for (i = 0; i <= h; ++i) {
memset(&t1->flags[i], 0, (w + 1) * sizeof(flag_t));
}
for (i = 0; i < h; ++i) {
memset(&t1->data[i], 0, w * sizeof(int));
}
allocate_buffers(
t1,
cblk->x1 - cblk->x0,
cblk->y1 - cblk->y0);
bpno = roishift + cblk->numbps - 1;
passtype = 2;
@ -959,13 +976,13 @@ static void t1_decode_cblk(
for (passno = 0; passno < seg->numpasses; ++passno) {
switch (passtype) {
case 0:
t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);
t1_dec_sigpass(t1, bpno+1, orient, type, cblksty);
break;
case 1:
t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);
t1_dec_refpass(t1, bpno+1, type, cblksty);
break;
case 2:
t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);
t1_dec_clnpass(t1, bpno+1, orient, cblksty);
break;
}
@ -986,13 +1003,20 @@ static void t1_decode_cblk(
/* ----------------------------------------------------------------------- */
opj_t1_t* t1_create(opj_common_ptr cinfo) {
opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));
if(t1) {
opj_t1_t *t1 = (opj_t1_t*) malloc(sizeof(opj_t1_t));
if(!t1)
return NULL;
t1->cinfo = cinfo;
/* create MQC and RAW handles */
t1->mqc = mqc_create();
t1->raw = raw_create();
}
t1->datasize=0;
t1->data=NULL;
t1->flagssize=0;
t1->flags=NULL;
return t1;
}
@ -1001,7 +1025,9 @@ void t1_destroy(opj_t1_t *t1) {
/* destroy MQC and RAW handles */
mqc_destroy(t1->mqc);
raw_destroy(t1->raw);
opj_free(t1);
free(t1->data);
free(t1->flags);
free(t1);
}
}
@ -1027,7 +1053,7 @@ void t1_encode_cblks(
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
int x, y, w, i, j, orient, cblk_w, cblk_h;
int x, y, w, i, j, orient;
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
x = cblk->x0 - band->x0;
@ -1041,21 +1067,23 @@ void t1_encode_cblks(
y += pres->y1 - pres->y0;
}
cblk_w = cblk->x1 - cblk->x0;
cblk_h = cblk->y1 - cblk->y0;
allocate_buffers(
t1,
cblk->x1 - cblk->x0,
cblk->y1 - cblk->y0);
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) {
t1->data[j][i] =
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;
}
}
} else { /* if (tcp->tccps[compno].qmfbid == 0) */
for (j = 0; j < cblk_h; ++j) {
for (i = 0; i < cblk_w; ++i) {
t1->data[j][i] =
for (j = 0; j < t1->h; ++j) {
for (i = 0; i < t1->w; ++i) {
t1->data[(j * t1->w) + i] =
fix_mul(
tilec->data[x + i + (y + j) * w],
8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);
@ -1143,11 +1171,11 @@ void t1_decode_cblks(
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][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][i] = val < 0 ? -mag : mag;
t1->data[(j * t1->w) + i] = val < 0 ? -mag : mag;
}
}
}
@ -1157,16 +1185,16 @@ void t1_decode_cblks(
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][i]/2;
tilec->data[x + i + (y + j) * w] = t1->data[(j * t1->w) + i]/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][i] >> 1 == 0) {
if (t1->data[(j * t1->w) + i] >> 1 == 0) {
tilec->data[x + i + (y + j) * w] = 0;
} else {
double tmp = (double)(t1->data[j][i] * band->stepsize * 4096.0);
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);
}
@ -1180,4 +1208,3 @@ void t1_decode_cblks(
} /* compno */
}

15
libopenjpeg/t1.h
View File

@ -44,9 +44,6 @@ in T1.C are used by some function in TCD.C.
/* ----------------------------------------------------------------------- */
#define T1_NMSEDEC_BITS 7
#define T1_MAXCBLKW 1024 /**< Maximum size of code-block (width) */
#define T1_MAXCBLKH 1024 /**< Maximum size of code-block (heigth) */
#define T1_SIG_NE 0x0001 /**< Context orientation : North-East direction */
#define T1_SIG_SE 0x0002 /**< Context orientation : South-East direction */
#define T1_SIG_SW 0x0004 /**< Context orientation : South-West direction */
@ -102,11 +99,17 @@ typedef struct opj_t1 {
/** RAW component */
opj_raw_t *raw;
int data[T1_MAXCBLKH][T1_MAXCBLKW];
flag_t flags[T1_MAXCBLKH + 2][T1_MAXCBLKW + 2];
int *data;
flag_t *flags;
int w;
int h;
int datasize;
int flagssize;
int flags_stride;
} opj_t1_t;
#define MACRO_t1_flags(x,y) t1->flags[((x)*(t1->flags_stride))+(y)]
/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */