walkero
/
openjpeg
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

Optimize a bit opj_t1_enc_clnpass()

This commit is contained in:
Even Rouault 2017-05-23 00:40:30 +02:00
parent c76a592131
commit d6907b9304
1 changed files with 45 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/lib/openjp2/t1.c
View File

@ -1303,16 +1303,13 @@ static void opj_t1_enc_clnpass_step(
OPJ_INT32 *nmsedec,
OPJ_UINT32 agg,
OPJ_UINT32 runlen,
OPJ_UINT32 x,
OPJ_UINT32 y,
OPJ_UINT32 lim,
OPJ_UINT32 cblksty)
{
OPJ_INT32 v;
OPJ_UINT32 ci;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
OPJ_UINT32 lim;
if ((cblksty & J2K_CCP_CBLKSTY_VSC) == 0) {
const OPJ_UINT32 check = (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13 |
T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
@ -1328,9 +1325,7 @@ static void opj_t1_enc_clnpass_step(
}
return;
}
}
lim = 4U < (t1->h - y) ? 4U : (t1->h - y);
for (ci = runlen; ci < lim; ++ci) {
OPJ_UINT32 vsc;
OPJ_UINT32 vsc_mask;
@ -1514,11 +1509,15 @@ static void opj_t1_enc_clnpass(
opj_mqc_t *mqc = t1->mqc; /* MQC component */
const OPJ_UINT32 agg_mask = (cblksty & J2K_CCP_CBLKSTY_VSC) ?
~(T1_SIGMA_15 | T1_SIGMA_16 | T1_SIGMA_17 | T1_CHI_5) :
~0U;
*nmsedec = 0;
#ifdef DEBUG_ENC_CLN
printf("enc_clnpass: bpno=%d\n", bpno);
#endif
for (k = 0; k < t1->h; k += 4) {
for (k = 0; k < (t1->h & ~3U); k += 4) {
#ifdef DEBUG_ENC_CLN
printf(" k=%d\n", k);
#endif
@ -1526,16 +1525,7 @@ static void opj_t1_enc_clnpass(
#ifdef DEBUG_ENC_CLN
printf(" i=%d\n", i);
#endif
if (k + 3 < t1->h) {
if (cblksty & J2K_CCP_CBLKSTY_VSC) {
agg = !(ENC_FLAGS(i, k) & ~(T1_SIGMA_15 | T1_SIGMA_16 | T1_SIGMA_17 |
T1_CHI_5));
} else {
agg = !ENC_FLAGS(i, k);
}
} else {
agg = 0;
}
agg = !(ENC_FLAGS(i, k) & agg_mask);
#ifdef DEBUG_ENC_CLN
printf(" agg=%d\n", agg);
#endif
@ -1566,8 +1556,32 @@ static void opj_t1_enc_clnpass(
nmsedec,
agg,
runlen,
i,
k,
4U,
cblksty);
}
}
if (k < t1->h) {
agg = 0;
runlen = 0;
#ifdef DEBUG_ENC_CLN
printf(" k=%d\n", k);
#endif
for (i = 0; i < t1->w; ++i) {
#ifdef DEBUG_ENC_CLN
printf(" i=%d\n", i);
printf(" agg=%d\n", agg);
#endif
opj_t1_enc_clnpass_step(
t1,
&ENC_FLAGS(i, k),
&t1->data[((k + runlen) * t1->data_stride) + i],
orient,
bpno,
one,
nmsedec,
agg,
runlen,
t1->h - k,
cblksty);
}
}