static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile,
opj_tcp_t *tcp, opj_pi_iterator_t *pi, opj_packet_info_t *pack_info) {
int bandno, cblkno;
unsigned char *c = src;
opj_cp_t *cp = t2->cp;
int compno = pi->compno; /* component value */
int resno = pi->resno; /* resolution level value */
int precno = pi->precno; /* precinct value */
int layno = pi->layno; /* quality layer value */
opj_tcd_resolution_t* res = &tile->comps[compno].resolutions[resno];
unsigned char *hd = NULL;
int present;
opj_bio_t *bio = NULL; /* BIO component */
if (layno == 0) {
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
cblk->numsegs = 0;
}
}
}
/* SOP markers */
if (tcp->csty & J2K_CP_CSTY_SOP) {
if ((*c) != 0xff || (*(c + 1) != 0x91)) {
opj_event_msg(t2->cinfo, EVT_WARNING, "Expected SOP marker\n");
} else {
c += 6;
}
/** TODO : check the Nsop value */
}
/*
When the marker PPT/PPM is used the packet header are store in PPT/PPM marker
This part deal with this caracteristic
step 1: Read packet header in the saved structure
step 2: Return to codestream for decoding
*/
bio = bio_create();
if (cp->ppm == 1) { /* PPM */
hd = cp->ppm_data;
bio_init_dec(bio, hd, cp->ppm_len);
} else if (tcp->ppt == 1) { /* PPT */
hd = tcp->ppt_data;
bio_init_dec(bio, hd, tcp->ppt_len);
} else { /* Normal Case */
hd = c;
bio_init_dec(bio, hd, src+len-hd);
}
present = bio_read(bio, 1);
if (!present) {
bio_inalign(bio);
hd += bio_numbytes(bio);
bio_destroy(bio);
/* EPH markers */
if (tcp->csty & J2K_CP_CSTY_EPH) {
if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
printf("Error : expected EPH marker\n");
} else {
hd += 2;
}
}
/* << INDEX */
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value*/
if(pack_info) {
pack_info->end_ph_pos = (int)(c - src);
}
/* INDEX >> */
if (cp->ppm == 1) { /* PPM case */
cp->ppm_len += cp->ppm_data-hd;
cp->ppm_data = hd;
return (c - src);
}
if (tcp->ppt == 1) { /* PPT case */
tcp->ppt_len+=tcp->ppt_data-hd;
tcp->ppt_data = hd;
return (c - src);
}
return (hd - src);
}
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
int included, increment, n, segno;
opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
/* if cblk not yet included before --> inclusion tagtree */
if (!cblk->numsegs) {
included = tgt_decode(bio, prc->incltree, cblkno, layno + 1);
/* else one bit */
} else {
included = bio_read(bio, 1);
}
/* if cblk not included */
if (!included) {
cblk->numnewpasses = 0;
continue;
}
/* if cblk not yet included --> zero-bitplane tagtree */
if (!cblk->numsegs) {
int i, numimsbs;
for (i = 0; !tgt_decode(bio, prc->imsbtree, cblkno, i); i++) {
;
}
numimsbs = i - 1;
cblk->numbps = band->numbps - numimsbs;
cblk->numlenbits = 3;
}
/* number of coding passes */
cblk->numnewpasses = t2_getnumpasses(bio);
increment = t2_getcommacode(bio);
/* length indicator increment */
cblk->numlenbits += increment;
segno = 0;
if (!cblk->numsegs) {
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 1);
} else {
segno = cblk->numsegs - 1;
if (cblk->segs[segno].numpasses == cblk->segs[segno].maxpasses) {
++segno;
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
}
}
n = cblk->numnewpasses;
do {
cblk->segs[segno].numnewpasses = int_min(cblk->segs[segno].maxpasses - cblk->segs[segno].numpasses, n);
cblk->segs[segno].newlen = bio_read(bio, cblk->numlenbits + int_floorlog2(cblk->segs[segno].numnewpasses));
n -= cblk->segs[segno].numnewpasses;
if (n > 0) {
++segno;
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
}
} while (n > 0);
}
}
if (bio_inalign(bio)) {
bio_destroy(bio);
return -999;
}
hd += bio_numbytes(bio);
bio_destroy(bio);
/* EPH markers */
if (tcp->csty & J2K_CP_CSTY_EPH) {
if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
return -999;
} else {
hd += 2;
}
}
/* << INDEX */
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value*/
if(pack_info) {
pack_info->end_ph_pos = (int)(hd - src);
}
/* INDEX >> */
if (cp->ppm==1) {
cp->ppm_len+=cp->ppm_data-hd;
cp->ppm_data = hd;
} else if (tcp->ppt == 1) {
tcp->ppt_len+=tcp->ppt_data-hd;
tcp->ppt_data = hd;
} else {
c=hd;
}
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
opj_tcd_seg_t *seg = NULL;
if (!cblk->numnewpasses)
continue;
if (!cblk->numsegs) {
seg = &cblk->segs[0];
cblk->numsegs++;
cblk->len = 0;
} else {
seg = &cblk->segs[cblk->numsegs - 1];
if (seg->numpasses == seg->maxpasses) {
seg++;
cblk->numsegs++;
}
}
do {
if (c + seg->newlen > src + len) {
return -999;
}
#ifdef USE_JPWL
/* we need here a j2k handle to verify if making a check to
the validity of cblocks parameters is selected from user (-W) */
/* let's check that we are not exceeding */
if ((cblk->len + seg->newlen) > 8192) {
opj_event_msg(t2->cinfo, EVT_WARNING,
"JPWL: segment too long (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n",
seg->newlen, cblkno, precno, bandno, resno, compno);
if (!JPWL_ASSUME) {
opj_event_msg(t2->cinfo, EVT_ERROR, "JPWL: giving up\n");
return -999;
}
seg->newlen = 8192 - cblk->len;
opj_event_msg(t2->cinfo, EVT_WARNING, " - truncating segment to %d\n", seg->newlen);
break;
};
#endif /* USE_JPWL */
cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char));
memcpy(cblk->data + cblk->len, c, seg->newlen);
if (seg->numpasses == 0) {
seg->data = &cblk->data;
seg->dataindex = cblk->len;
}
c += seg->newlen;
cblk->len += seg->newlen;
seg->len += seg->newlen;
seg->numpasses += seg->numnewpasses;
cblk->numnewpasses -= seg->numnewpasses;
if (cblk->numnewpasses > 0) {
seg++;
cblk->numsegs++;
}
} while (cblk->numnewpasses > 0);
}
}
return (c - src);
}
static bool t2_encode_packet(
OPJ_UINT32 tileno,
opj_tcd_tile_t * tile,
opj_tcp_t * tcp,
opj_pi_iterator_t *pi,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 length,
opj_codestream_info_t *cstr_info)
{
OPJ_UINT32 bandno, cblkno;
OPJ_BYTE *c = dest;
OPJ_UINT32 l_nb_bytes;
OPJ_UINT32 compno = pi->compno; /* component value */
OPJ_UINT32 resno = pi->resno; /* resolution level value */
OPJ_UINT32 precno = pi->precno; /* precinct value */
OPJ_UINT32 layno = pi->layno; /* quality layer value */
OPJ_UINT32 l_nb_blocks;
opj_tcd_band_t *band = 00;
opj_tcd_cblk_enc_t* cblk = 00;
opj_tcd_pass_t *pass = 00;
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
opj_bio_t *bio = 00; /* BIO component */
/* <SOP 0xff91> */
if (tcp->csty & J2K_CP_CSTY_SOP) {
c[0] = 255;
c[1] = 145;
c[2] = 0;
c[3] = 4;
c[4] = (tile->packno % 65536) / 256;
c[5] = (tile->packno % 65536) % 256;
c += 6;
length -= 6;
}
/* </SOP> */
if (!layno) {
band = res->bands;
for
(bandno = 0; bandno < res->numbands; ++bandno)
{
opj_tcd_precinct_t *prc = &band->precincts[precno];
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
l_nb_blocks = prc->cw * prc->ch;
for
(cblkno = 0; cblkno < l_nb_blocks; ++cblkno)
{
opj_tcd_cblk_enc_t* cblk_v = &prc->cblks.enc[cblkno];
cblk_v->numpasses = 0;
tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk_v->numbps);
}
++band;
}
}
bio = bio_create();
bio_init_enc(bio, c, length);
bio_write(bio, 1, 1); /* Empty header bit */
/* Writing Packet header */
band = res->bands;
for
(bandno = 0; bandno < res->numbands; ++bandno)
{
opj_tcd_precinct_t *prc = &band->precincts[precno];
l_nb_blocks = prc->cw * prc->ch;
cblk = prc->cblks.enc;
for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno)
{
opj_tcd_layer_t *layer = &cblk->layers[layno];
if
(!cblk->numpasses && layer->numpasses)
{
tgt_setvalue(prc->incltree, cblkno, layno);
}
++cblk;
}
cblk = prc->cblks.enc;
for
(cblkno = 0; cblkno < l_nb_blocks; cblkno++)
{
opj_tcd_layer_t *layer = &cblk->layers[layno];
OPJ_UINT32 increment = 0;
OPJ_UINT32 nump = 0;
OPJ_UINT32 len = 0, passno;
OPJ_UINT32 l_nb_passes;
/* cblk inclusion bits */
if (!cblk->numpasses) {
tgt_encode(bio, prc->incltree, cblkno, layno + 1);
} else {
bio_write(bio, layer->numpasses != 0, 1);
}
/* if cblk not included, go to the next cblk */
if
(!layer->numpasses)
{
++cblk;
continue;
}
/* if first instance of cblk --> zero bit-planes information */
if
(!cblk->numpasses)
{
cblk->numlenbits = 3;
tgt_encode(bio, prc->imsbtree, cblkno, 999);
}
/* number of coding passes included */
t2_putnumpasses(bio, layer->numpasses);
l_nb_passes = cblk->numpasses + layer->numpasses;
pass = cblk->passes + cblk->numpasses;
/* computation of the increase of the length indicator and insertion in the header */
for
(passno = cblk->numpasses; passno < l_nb_passes; ++passno)
{
++nump;
len += pass->len;
if
(pass->term || passno == (cblk->numpasses + layer->numpasses) - 1)
{
increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
len = 0;
nump = 0;
}
++pass;
}
t2_putcommacode(bio, increment);
/* computation of the new Length indicator */
cblk->numlenbits += increment;
pass = cblk->passes + cblk->numpasses;
/* insertion of the codeword segment length */
for
(passno = cblk->numpasses; passno < l_nb_passes; ++passno)
{
nump++;
len += pass->len;
if
(pass->term || passno == (cblk->numpasses + layer->numpasses) - 1)
{
bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));
len = 0;
nump = 0;
}
++pass;
}
++cblk;
}
++band;
}
if
(bio_flush(bio))
{
bio_destroy(bio);
return false; /* modified to eliminate longjmp !! */
}
l_nb_bytes = bio_numbytes(bio);
c += l_nb_bytes;
length -= l_nb_bytes;
bio_destroy(bio);
/* <EPH 0xff92> */
if (tcp->csty & J2K_CP_CSTY_EPH) {
c[0] = 255;
c[1] = 146;
c += 2;
length -= 2;
}
/* </EPH> */
/* << INDEX */
// End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value
if(cstr_info && cstr_info->index_write) {
opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
info_PK->end_ph_pos = (OPJ_INT32)(c - dest);
}
/* INDEX >> */
/* Writing the packet body */
band = res->bands;
for
(bandno = 0; bandno < res->numbands; bandno++)
{
opj_tcd_precinct_t *prc = &band->precincts[precno];
l_nb_blocks = prc->cw * prc->ch;
cblk = prc->cblks.enc;
for
(cblkno = 0; cblkno < l_nb_blocks; ++cblkno)
{
opj_tcd_layer_t *layer = &cblk->layers[layno];
if
(!layer->numpasses)
{
++cblk;
continue;
}
if
(layer->len > length)
{
return false;
}
memcpy(c, layer->data, layer->len);
cblk->numpasses += layer->numpasses;
c += layer->len;
length -= layer->len;
/* << INDEX */
if(cstr_info && cstr_info->index_write) {
opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
info_PK->disto += layer->disto;
if (cstr_info->D_max < info_PK->disto) {
cstr_info->D_max = info_PK->disto;
}
}
++cblk;
/* INDEX >> */
}
++band;
}
* p_data_written += (c - dest);
return true;
}
static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int length, opj_codestream_info_t *cstr_info, int tileno) {
int bandno, cblkno;
unsigned char *c = dest;
int compno = pi->compno; /* component value */
int resno = pi->resno; /* resolution level value */
int precno = pi->precno; /* precinct value */
int layno = pi->layno; /* quality layer value */
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
opj_bio_t *bio = NULL; /* BIO component */
/* <SOP 0xff91> */
if (tcp->csty & J2K_CP_CSTY_SOP) {
c[0] = 255;
c[1] = 145;
c[2] = 0;
c[3] = 4;
c[4] = (unsigned char)((tile->packno % 65536) / 256);
c[5] = (unsigned char)((tile->packno % 65536) % 256);
c += 6;
}
/* </SOP> */
if (!layno) {
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
cblk->numpasses = 0;
tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);
}
}
}
bio = bio_create();
bio_init_enc(bio, c, length);
bio_write(bio, 1, 1); /* Empty header bit */
/* Writing Packet header */
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
if (!cblk->numpasses && layer->numpasses) {
tgt_setvalue(prc->incltree, cblkno, layno);
}
}
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
int increment = 0;
int nump = 0;
int len = 0, passno;
/* cblk inclusion bits */
if (!cblk->numpasses) {
tgt_encode(bio, prc->incltree, cblkno, layno + 1);
} else {
bio_write(bio, layer->numpasses != 0, 1);
}
/* if cblk not included, go to the next cblk */
if (!layer->numpasses) {
continue;
}
/* if first instance of cblk --> zero bit-planes information */
if (!cblk->numpasses) {
cblk->numlenbits = 3;
tgt_encode(bio, prc->imsbtree, cblkno, 999);
}
/* number of coding passes included */
t2_putnumpasses(bio, layer->numpasses);
/* computation of the increase of the length indicator and insertion in the header */
for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
opj_tcd_pass_t *pass = &cblk->passes[passno];
nump++;
len += pass->len;
if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
len = 0;
nump = 0;
}
}
t2_putcommacode(bio, increment);
/* computation of the new Length indicator */
cblk->numlenbits += increment;
/* insertion of the codeword segment length */
for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
opj_tcd_pass_t *pass = &cblk->passes[passno];
nump++;
len += pass->len;
if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));
len = 0;
nump = 0;
}
}
}
}
if (bio_flush(bio)) {
bio_destroy(bio);
return -999; /* modified to eliminate longjmp !! */
}
c += bio_numbytes(bio);
bio_destroy(bio);
/* <EPH 0xff92> */
if (tcp->csty & J2K_CP_CSTY_EPH) {
c[0] = 255;
c[1] = 146;
c += 2;
}
/* </EPH> */
/* << INDEX */
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value */
if(cstr_info && cstr_info->index_write) {
opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
info_PK->end_ph_pos = (int)(c - dest);
}
/* INDEX >> */
/* Writing the packet body */
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
if (!layer->numpasses) {
continue;
}
if (c + layer->len > dest + length) {
return -999;
}
memcpy(c, layer->data, layer->len);
cblk->numpasses += layer->numpasses;
c += layer->len;
/* << INDEX */
if(cstr_info && cstr_info->index_write) {
opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
info_PK->disto += layer->disto;
if (cstr_info->D_max < info_PK->disto) {
cstr_info->D_max = info_PK->disto;
}
}
/* INDEX >> */
}
}
return (c - dest);
}
static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int length, opj_image_info_t * image_info, int tileno) {
int bandno, cblkno;
unsigned char *sop = 0, *eph = 0;
unsigned char *c = dest;
int compno = pi->compno; /* component value */
int resno = pi->resno; /* resolution level value */
int precno = pi->precno; /* precinct value */
int layno = pi->layno; /* quality layer value */
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
opj_bio_t *bio = NULL; /* BIO component */
/* <SOP 0xff91> */
if (tcp->csty & J2K_CP_CSTY_SOP) {
sop = (unsigned char *) opj_malloc(6 * sizeof(unsigned char));
sop[0] = 255;
sop[1] = 145;
sop[2] = 0;
sop[3] = 4;
sop[4] = (image_info->num % 65536) / 256;
sop[5] = (image_info->num % 65536) % 256;
memcpy(c, sop, 6);
opj_free(sop);
c += 6;
}
/* </SOP> */
if (!layno) {
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
cblk->numpasses = 0;
tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);
}
}
}
bio = bio_create();
bio_init_enc(bio, c, length);
bio_write(bio, 1, 1); /* Empty header bit */
/* Writing Packet header */
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
if (!cblk->numpasses && layer->numpasses) {
tgt_setvalue(prc->incltree, cblkno, layno);
}
}
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
int increment = 0;
int nump = 0;
int len = 0, passno;
/* cblk inclusion bits */
if (!cblk->numpasses) {
tgt_encode(bio, prc->incltree, cblkno, layno + 1);
} else {
bio_write(bio, layer->numpasses != 0, 1);
}
/* if cblk not included, go to the next cblk */
if (!layer->numpasses) {
continue;
}
/* if first instance of cblk --> zero bit-planes information */
if (!cblk->numpasses) {
cblk->numlenbits = 3;
tgt_encode(bio, prc->imsbtree, cblkno, 999);
}
/* number of coding passes included */
t2_putnumpasses(bio, layer->numpasses);
/* computation of the increase of the length indicator and insertion in the header */
for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
opj_tcd_pass_t *pass = &cblk->passes[passno];
nump++;
len += pass->len;
if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
len = 0;
nump = 0;
}
}
t2_putcommacode(bio, increment);
/* computation of the new Length indicator */
cblk->numlenbits += increment;
/* insertion of the codeword segment length */
for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
opj_tcd_pass_t *pass = &cblk->passes[passno];
nump++;
len += pass->len;
if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));
len = 0;
nump = 0;
}
}
}
}
if (bio_flush(bio)) {
return -999; /* modified to eliminate longjmp !! */
}
c += bio_numbytes(bio);
bio_destroy(bio);
/* <EPH 0xff92> */
if (tcp->csty & J2K_CP_CSTY_EPH) {
eph = (unsigned char *) opj_malloc(2 * sizeof(unsigned char));
eph[0] = 255;
eph[1] = 146;
memcpy(c, eph, 2);
opj_free(eph);
c += 2;
}
/* </EPH> */
/* Writing the packet body */
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
if (!layer->numpasses) {
continue;
}
if (c + layer->len > dest + length) {
return -999;
}
memcpy(c, layer->data, layer->len);
cblk->numpasses += layer->numpasses;
c += layer->len;
/* ADD for index Cfr. Marcela --> delta disto by packet */
if(image_info && image_info->index_write && image_info->index_on) {
opj_tile_info_t *info_TL = &image_info->tile[tileno];
opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
info_PK->disto += layer->disto;
if (image_info->D_max < info_PK->disto) {
image_info->D_max = info_PK->disto;
}
}
/* </ADD> */
}
}
return (c - dest);
}
int main(int argc, char **argv)
{
int len;
int NumResolution, numD_min; /* NumResolution : number of resolution */
int Tile_arg; /* Tile_arg = 0 (not in argument) ou = 1 (in argument) */
int CSty; /* CSty : coding style */
int Prog_order; /* progression order (default LRCP) */
char progression[4];
int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */
int prcw_init[J2K_MAXRLVLS]; /* Initialisation Precinct width */
int prch_init[J2K_MAXRLVLS]; /* Initialisation Precinct height */
//int prcw_init, prch_init; /* Initialisation precincts' size */
int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */
int mode, value; /* Mode switch (cblk_style) */
int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */
int ROI_compno, ROI_shift; /* region of interrest */
int Dim[2]; /* portion of the image coded */
int TX0, TY0; /* tile off-set */
j2k_image_t img;
j2k_cp_t cp, cp_init; /* cp_init is used to initialise in multiple tiles */
j2k_tcp_t *tcp, *tcp_init; /* tcp_init is used to initialise in multiple tile */
j2k_poc_t POC[32]; /* POC : used in case of Progression order change */
j2k_poc_t *tcp_poc;
j2k_tccp_t *tccp;
int i, tileno, j;
char *infile = 0;
char *outfile = 0;
char *index = 0;
char *s, S1, S2, S3;
int ir = 0;
int res_spec = 0; /* For various precinct sizes specification */
char sep;
char *outbuf, *out;
FILE *f;
/* default value */
/* ------------- */
NumResolution = 6;
CSty = 0;
cblockw_init = 64;
cblockh_init = 64;
cp.tw = 1;
cp.th = 1;
cp.index_on = 0;
Prog_order = 0;
numpocs = 0;
mode = 0;
subsampling_dx = 1;
subsampling_dy = 1;
ROI_compno = -1; /* no ROI */
ROI_shift = 0;
Dim[0] = 0;
Dim[1] = 0;
TX0 = 0;
TY0 = 0;
cp.comment = "Created by OpenJPEG version 0.9";
cp.disto_alloc = 0;
cp.fixed_alloc = 0;
cp.fixed_quality = 0; //add fixed_quality
/* img.PPT=0; */
Tile_arg = 0;
cp_init.tcps = (j2k_tcp_t *) malloc(sizeof(j2k_tcp_t)); /* initialisation if only one tile */
tcp_init = &cp_init.tcps[0];
tcp_init->numlayers = 0;
jpwl_cp_init(&jpwl_cp);
cp.intermed_file=0;
use_index=0;
while (1) {
int c = getopt(argc, argv,
"i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I:W,F");
if (c == -1)
break;
switch (c) {
case 'i': /* IN fill */
infile = optarg;
s = optarg;
while (*s) {
s++;
}
s--;
S3 = *s;
s--;
S2 = *s;
s--;
S1 = *s;
if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
|| (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
cp.image_type = 0;
break;
}
if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
|| (S1 == 'P' && S2 == 'N' && S3 == 'M')
|| (S1 == 'p' && S2 == 'g' && S3 == 'm') || (S1 == 'P'
&& S2 == 'G'
&& S3 == 'M')
|| (S1 == 'P' && S2 == 'P' && S3 == 'M') || (S1 == 'p'
&& S2 == 'p'
&& S3 == 'm')) {
cp.image_type = 1;
break;
}
if ((S1 == 'b' && S2 == 'm' && S3 == 'p')
|| (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
cp.image_type = 2;
break;
}
fprintf(stderr,
"!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",
S1, S2, S3);
return 1;
break;
/* ----------------------------------------------------- */
case 'o': /* OUT fill */
outfile = optarg;
while (*outfile) {
outfile++;
}
outfile--;
S3 = *outfile;
outfile--;
S2 = *outfile;
outfile--;
S1 = *outfile;
outfile = optarg;
if ((S1 == 'j' && S2 == '2' && S3 == 'k') || (S1 == 'J' && S2 == '2' && S3 == 'K'))
cp.JPEG2000_format=0;
else if ((S1 == 'j' && S2 == 'p' && S3 == '2') || (S1 == 'J' && S2 == 'P' && S3 == '2'))
cp.JPEG2000_format=1;
else {
fprintf(stderr,"Unknown output format image *.%c%c%c [only *.j2k, *.jp2]!! \n",S1,S2,S3);
return 1;
}
break;
/* ----------------------------------------------------- */
case 'r': /* rates rates/distorsion */
s = optarg;
while (sscanf(s, "%d", &tcp_init->rates[tcp_init->numlayers])
== 1) {
tcp_init->numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
cp.disto_alloc = 1;
cp.matrice = NULL;
break;
/* ----------------------------------------------------- */
case 'q': /* add fixed_quality */
s = optarg;
while (sscanf(s, "%f", &tcp_init->distoratio[tcp_init->numlayers]) ==
1) {
tcp_init->numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
cp.fixed_quality = 1;
cp.matrice = NULL;
break;
/* dda */
/* ----------------------------------------------------- */
case 'f': /* mod fixed_quality (before : -q) */
s = optarg;
sscanf(s, "%d", &tcp_init->numlayers);
s++;
if (tcp_init->numlayers > 9)
s++;
cp.matrice =
(int *) malloc(tcp_init->numlayers * NumResolution * 3 *
sizeof(int));
s = s + 2;
for (i = 0; i < tcp_init->numlayers; i++) {
tcp_init->rates[i] = 1;
sscanf(s, "%d,", &cp.matrice[i * NumResolution * 3]);
s += 2;
if (cp.matrice[i * NumResolution * 3] > 9)
s++;
cp.matrice[i * NumResolution * 3 + 1] = 0;
cp.matrice[i * NumResolution * 3 + 2] = 0;
for (j = 1; j < NumResolution; j++) {
sscanf(s, "%d,%d,%d",
&cp.matrice[i * NumResolution * 3 + j * 3 + 0],
&cp.matrice[i * NumResolution * 3 + j * 3 + 1],
&cp.matrice[i * NumResolution * 3 + j * 3 + 2]);
s += 6;
if (cp.matrice[i * NumResolution * 3 + j * 3] > 9)
s++;
if (cp.matrice[i * NumResolution * 3 + j * 3 + 1] > 9)
s++;
if (cp.matrice[i * NumResolution * 3 + j * 3 + 2] > 9)
s++;
}
if (i < tcp_init->numlayers - 1)
s++;
}
cp.fixed_alloc = 1;
break;
/* ----------------------------------------------------- */
case 't': /* tiles */
sscanf(optarg, "%d,%d", &cp.tdx, &cp.tdy);
Tile_arg = 1;
break;
/* ----------------------------------------------------- */
case 'n': /* resolution */
sscanf(optarg, "%d", &NumResolution);
break;
/* ----------------------------------------------------- */
case 'c': /* precinct dimension */
s = optarg;
do {
sep = 0;
sscanf(s, "[%d,%d]%c", &prcw_init[res_spec],
&prch_init[res_spec], &sep);
CSty |= 0x01;
res_spec++;
s = strpbrk(s, "]") + 2;
} while (sep == ',');
break;
/* ----------------------------------------------------- */
case 'b': /* code-block dimension */
sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
|| cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
fprintf(stderr,
"!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'x': /* creation of index file */
index = optarg;
cp.index_on = 1;
use_index = 1;
break;
/* ----------------------------------------------------- */
case 'p': /* progression order */
s = optarg;
for (i = 0; i < 4; i++) {
progression[i] = *s;
s++;
}
Prog_order = give_progression(progression);
if (Prog_order == -1) {
fprintf(stderr,
"Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 's': /* subsampling factor */
if (sscanf(optarg, "%d,%d", &subsampling_dx, &subsampling_dy)
!= 2) {
fprintf(stderr,
"'-s' sub-sampling argument error ! [-s dx,dy]\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'd': /* coordonnate of the reference grid */
if (sscanf(optarg, "%d,%d", &Dim[0], &Dim[1]) != 2) {
fprintf(stderr,
"-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'h': /* Display an help description */
help_display();
return 0;
break;
/* ----------------------------------------------------- */
case 'P': /* POC */
fprintf(stderr, "/----------------------------------\\\n");
fprintf(stderr, "| POC option not fully tested !! |\n");
fprintf(stderr, "\\----------------------------------/\n");
s = optarg;
while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
&POC[numpocs].resno0, &POC[numpocs].compno0,
&POC[numpocs].layno1, &POC[numpocs].resno1,
&POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
POC[numpocs].prg = give_progression(POC[numpocs].progorder);
/* POC[numpocs].tile; */
numpocs++;
while (*s && *s != '/') {
s++;
}
if (!*s)
break;
s++;
}
break;
/* ------------------------------------------------------ */
case 'S': /* SOP marker */
CSty |= 0x02;
break;
/* ------------------------------------------------------ */
case 'E': /* EPH marker */
CSty |= 0x04;
break;
/* ------------------------------------------------------ */
case 'M': /* Mode switch pas tous au point !! */
if (sscanf(optarg, "%d", &value) == 1) {
for (i = 0; i <= 5; i++) {
int cache = value & (1 << i);
if (cache)
mode |= (1 << i);
}
}
break;
/* ------------------------------------------------------ */
case 'R': /* ROI */
if (sscanf(optarg, "OI:c=%d,U=%d", &ROI_compno, &ROI_shift) != 2) {
fprintf(stderr, "ROI error !! [-ROI:c='compno',U='shift']\n");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'T': /* Tile offset */
if (sscanf(optarg, "%d,%d", &TX0, &TY0) != 2) {
fprintf(stderr, "-T 'tile offset' argument error !! [-T X0,Y0]");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'C': /* Add a comment */
cp.comment = optarg;
break;
/* ------------------------------------------------------ */
case 'I': /* reversible or not */
ir = 1;
break;
/* ------------------------------------------------------ */
case 'W': /* version 0.2 enables only EPC on main header and epb in fixed way*/
jpwl_cp.JPWL_on = 1;
break;
/* ------------------------------------------------------ */
case 'F': /* use intermed files*/
cp.intermed_file=1;
break;
/* ------------------------------------------------------ */
default:
return 1;
}
}
cp.tx0 = TX0;
cp.ty0 = TY0;
// inserici i parametri jpwl
if(jpwl_cp.JPWL_on)
get_jpwl_cp(& cp);
/* Error messages */
/* -------------- */
if (!infile || !outfile) {
fprintf(stderr,
"usage: image_to_j2k -i image-file -o j2k/jp2-file (+ options)\n");
return 1;
}
if ((cp.disto_alloc || cp.fixed_alloc || cp.fixed_quality)&&(!(cp.disto_alloc ^ cp.fixed_alloc ^ cp.fixed_quality))) {
fprintf(stderr,
"Error: options -r -q and -f can not be used together !!\n");
return 1;
} // mod fixed_quality
/* if no rate entered, lossless by default */
if (tcp_init->numlayers == 0) {
tcp_init->rates[tcp_init->numlayers] = 1;
tcp_init->numlayers++;
cp.disto_alloc = 1;
}
if (TX0 > Dim[0] || TY0 > Dim[1]) {
fprintf(stderr,
"Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
TX0, Dim[0], TY0, Dim[1]);
return 1;
}
for (i = 0; i < numpocs; i++) {
if (POC[i].prg == -1) {
fprintf(stderr,
"Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
i + 1);
}
}
switch (cp.image_type) {
case 0:
if (Tile_arg) {
if (!pgxtoimage
(infile, &img, cp.tdy, subsampling_dx, subsampling_dy, Dim,
cp)) {
fprintf(stderr, "not a pgx file\n");
return 1;
}
} else {
if (!pgxtoimage
(infile, &img, -1, subsampling_dx, subsampling_dy, Dim, cp)) {
fprintf(stderr, " not a pgx file\n");
return 1;
}
}
break;
case 1:
if (!pnmtoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
fprintf(stderr, " not a pnm file\n");
return 1;
}
break;
case 2:
if (!bmptoimage(infile, &img, subsampling_dx, subsampling_dy, Dim)) {
fprintf(stderr, " not a bmp file\n");
return 1;
}
break;
}
/* to respect profile - 0 */
/* ---------------------- */
numD_min = 0;
/* while (int_ceildiv(img.x1,(1<<numD_min))-int_ceildiv(img.x0,(1<<numD_min))>120 || int_ceildiv(img.y1,(1<<numD_min))-int_ceildiv(img.y0,(1<<numD_min))>160) numD_min++;
if ((numD_min+1)>NumResolution)
{
fprintf(stderr,"\n********************************************************************************\n\n");
fprintf(stderr, "In view to respect Profile-0, the number of resolution used is %d in place of %d\n\n",numD_min+1,NumResolution);
fprintf(stderr, "********************************************************************************\n\n");
NumResolution=numD_min+1;
} */
if (Tile_arg == 1) {
cp.tw = int_ceildiv(img.x1 - cp.tx0, cp.tdx);
cp.th = int_ceildiv(img.y1 - cp.ty0, cp.tdy);
} else {
cp.tdx = img.x1 - cp.tx0;
cp.tdy = img.y1 - cp.ty0;
}
/* Initialization for PPM marker */
cp.ppm = 0;
cp.ppm_data = NULL;
cp.ppm_previous = 0;
cp.ppm_store = 0;
/* Init the mutiple tiles */
/* ---------------------- */
cp.tcps = (j2k_tcp_t *) malloc(cp.tw * cp.th * sizeof(j2k_tcp_t));
for (tileno = 0; tileno < cp.tw * cp.th; tileno++) {
tcp = &cp.tcps[tileno];
tcp->numlayers = tcp_init->numlayers;
for (j = 0; j < tcp->numlayers; j++) {
if (cp.fixed_quality) // add fixed_quality
tcp->distoratio[j] = tcp_init->distoratio[j];
else
tcp->rates[j] = tcp_init->rates[j];
}
tcp->csty = CSty;
tcp->prg = Prog_order;
tcp->mct = img.numcomps == 3 ? 1 : 0;
tcp->ppt = 0;
tcp->ppt_data = NULL;
tcp->ppt_store = 0;
numpocs_tile = 0;
tcp->POC = 0;
if (numpocs) {
/* intialisation of POC */
tcp->POC = 1;
for (i = 0; i < numpocs; i++) {
if (tileno == POC[i].tile - 1 || POC[i].tile == -1) {
tcp_poc = &tcp->pocs[numpocs_tile];
tcp_poc->resno0 = POC[numpocs_tile].resno0;
tcp_poc->compno0 = POC[numpocs_tile].compno0;
tcp_poc->layno1 = POC[numpocs_tile].layno1;
tcp_poc->resno1 = POC[numpocs_tile].resno1;
tcp_poc->compno1 = POC[numpocs_tile].compno1;
tcp_poc->prg = POC[numpocs_tile].prg;
tcp_poc->tile = POC[numpocs_tile].tile;
numpocs_tile++;
}
}
}
tcp->numpocs = numpocs_tile;
tcp->tccps = (j2k_tccp_t *) malloc(img.numcomps * sizeof(j2k_tccp_t));
for (i = 0; i < img.numcomps; i++) {
tccp = &tcp->tccps[i];
tccp->csty = CSty & 0x01; /* 0 => one precinct || 1 => custom precinct */
tccp->numresolutions = NumResolution;
tccp->cblkw = int_floorlog2(cblockw_init);
tccp->cblkh = int_floorlog2(cblockh_init);
tccp->cblksty = mode;
tccp->qmfbid = ir ? 0 : 1;
tccp->qntsty = ir ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
tccp->numgbits = 2;
if (i == ROI_compno)
tccp->roishift = ROI_shift;
else
tccp->roishift = 0;
if (CSty & J2K_CCP_CSTY_PRT) {
int p = 0;
for (j = tccp->numresolutions - 1; j >= 0; j--) {
if (p < res_spec) {
if (prcw_init[p] < 1)
tccp->prcw[j] = 1;
else
tccp->prcw[j] = int_floorlog2(prcw_init[p]);
if (prch_init[p] < 1)
tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(prch_init[p]);
} else {
int size_prcw, size_prch;
size_prcw = prcw_init[res_spec - 1] >> (p - (res_spec - 1));
size_prch = prch_init[res_spec - 1] >> (p - (res_spec - 1));
if (size_prcw < 1)
tccp->prcw[j] = 1;
else
tccp->prcw[j] = int_floorlog2(size_prcw);
if (size_prch < 1)
tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(size_prch);
}
p++;
/*printf("\nsize precinct pour level %d : %d,%d\n", j,
tccp->prcw[j], tccp->prch[j]);*/
}
} else {
for (j = 0; j < tccp->numresolutions; j++) {
tccp->prcw[j] = 15;
tccp->prch[j] = 15;
}
}
calc_explicit_stepsizes(tccp, img.comps[i].prec);
}
int main(int argc, char **argv)
{
int NumResolution, numD_min; /* NumResolution : number of resolution */
int Tile_arg; /* Tile_arg = 0 (not in argument) ou = 1 (in argument) */
int CSty; /* CSty : coding style */
int Prog_order; /* progression order (default LRCP) */
char progression[4];
int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */
int prcw_init[J2K_MAXRLVLS]; /* Initialisation Precinct width */
int prch_init[J2K_MAXRLVLS]; /* Initialisation Precinct height */
//int prcw_init, prch_init; /* Initialisation precincts' size */
int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */
int mode, value; /* Mode switch (cblk_style) */
int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */
int ROI_compno, ROI_shift; /* region of interrest */
int Dim[2]; /* portion of the image coded */
int TX0, TY0; /* tile off-set */
mj2_movie_t movie;
j2k_cp_t cp, cp_init; /* cp_init is used to initialise in multiple tiles */
j2k_tcp_t *tcp, *tcp_init; /* tcp_init is used to initialise in multiple tile */
j2k_poc_t POC[32]; /* POC : used in case of Progression order change */
j2k_poc_t *tcp_poc;
j2k_tccp_t *tccp;
int i, tileno, l, j;
char *infile = 0;
char *outfile = 0;
char *index = 0;
char *s, S1, S2, S3;
char *buf;
int ir = 0;
int res_spec = 0; /* For various precinct sizes specification */
char sep;
int w; /* Width of YUV file */
int h; /* Height of YUV file */
int CbCr_subsampling_dx; /* Sample rate of YUV 4:4:4 4:2:2 or 4:2:0 */
int CbCr_subsampling_dy; /* Sample rate of YUV 4:4:4 4:2:2 or 4:2:0 */
int frame_rate; /* Video Frame Rate */
int numcomps; /* In YUV files, numcomps always considered as 3 */
int prec; /* In YUV files, precision always considered as 8 */
int x1, y1, len, jp2c_initpos, m, k, pos;
long mdat_initpos, offset;
FILE *mj2file, *yuvfile;
unsigned int sampleno;
j2k_image_t img;
/* default value */
/* ------------- */
NumResolution = 6;
CSty = 0;
cblockw_init = 64;
cblockh_init = 64;
cp.tw = 1;
cp.th = 1;
cp.index_on = 0;
Prog_order = 0;
numpocs = 0;
mode = 0;
subsampling_dx = 1;
subsampling_dy = 1;
ROI_compno = -1; /* no ROI */
ROI_shift = 0;
Dim[0] = 0;
Dim[1] = 0;
TX0 = 0;
TY0 = 0;
cp.comment = NULL;
cp.disto_alloc = 0;
cp.fixed_alloc = 0;
cp.fixed_quality = 0; //add fixed_quality
w = 352; // CIF default value
h = 288; // CIF default value
CbCr_subsampling_dx = 2; // CIF default value
CbCr_subsampling_dy = 2; // CIF default value
frame_rate = 25;
Tile_arg = 0;
cp_init.tcps = (j2k_tcp_t *) malloc(sizeof(j2k_tcp_t)); /* initialisation if only one tile */
tcp_init = &cp_init.tcps[0];
tcp_init->numlayers = 0;
cp.intermed_file = 0; // Don't store each tile in a file during processing
while (1) {
int c = getopt(argc, argv,
"i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I:W:F:");
if (c == -1)
break;
switch (c) {
case 'i': /* IN fill */
infile = optarg;
s = optarg;
while (*s) {
s++;
}
s--;
S3 = *s;
s--;
S2 = *s;
s--;
S1 = *s;
if ((S1 == 'y' && S2 == 'u' && S3 == 'v')
|| (S1 == 'Y' && S2 == 'U' && S3 == 'V')) {
cp.decod_format = YUV_DFMT;
break;
}
fprintf(stderr,
"!! Unrecognized format for infile : %c%c%c [accept only *.yuv] !!\n\n",
S1, S2, S3);
return 1;
break;
/* ----------------------------------------------------- */
case 'o': /* OUT fill */
outfile = optarg;
while (*outfile) {
outfile++;
}
outfile--;
S3 = *outfile;
outfile--;
S2 = *outfile;
outfile--;
S1 = *outfile;
outfile = optarg;
if ((S1 == 'm' && S2 == 'j' && S3 == '2')
|| (S1 == 'M' && S2 == 'J' && S3 == '2'))
cp.cod_format = MJ2_CFMT;
else {
fprintf(stderr,
"Unknown output format image *.%c%c%c [only *.mj2]!! \n",
S1, S2, S3);
return 1;
}
break;
/* ----------------------------------------------------- */
case 'r': /* rates rates/distorsion */
s = optarg;
while (sscanf(s, "%d", &tcp_init->rates[tcp_init->numlayers])
== 1) {
tcp_init->numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
cp.disto_alloc = 1;
cp.matrice = NULL;
break;
/* ----------------------------------------------------- */
case 'q': /* add fixed_quality */
s = optarg;
while (sscanf
(s, "%f", &tcp_init->distoratio[tcp_init->numlayers]) == 1) {
tcp_init->numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
cp.fixed_quality = 1;
cp.matrice = NULL;
break;
/* dda */
/* ----------------------------------------------------- */
case 'f': /* mod fixed_quality (before : -q) */
s = optarg;
sscanf(s, "%d", &tcp_init->numlayers);
s++;
if (tcp_init->numlayers > 9)
s++;
cp.matrice =
(int *) malloc(tcp_init->numlayers * NumResolution * 3 *
sizeof(int));
s = s + 2;
for (i = 0; i < tcp_init->numlayers; i++) {
tcp_init->rates[i] = 1;
sscanf(s, "%d,", &cp.matrice[i * NumResolution * 3]);
s += 2;
if (cp.matrice[i * NumResolution * 3] > 9)
s++;
cp.matrice[i * NumResolution * 3 + 1] = 0;
cp.matrice[i * NumResolution * 3 + 2] = 0;
for (j = 1; j < NumResolution; j++) {
sscanf(s, "%d,%d,%d",
&cp.matrice[i * NumResolution * 3 + j * 3 + 0],
&cp.matrice[i * NumResolution * 3 + j * 3 + 1],
&cp.matrice[i * NumResolution * 3 + j * 3 + 2]);
s += 6;
if (cp.matrice[i * NumResolution * 3 + j * 3] > 9)
s++;
if (cp.matrice[i * NumResolution * 3 + j * 3 + 1] > 9)
s++;
if (cp.matrice[i * NumResolution * 3 + j * 3 + 2] > 9)
s++;
}
if (i < tcp_init->numlayers - 1)
s++;
}
cp.fixed_alloc = 1;
break;
/* ----------------------------------------------------- */
case 't': /* tiles */
sscanf(optarg, "%d,%d", &cp.tdx, &cp.tdy);
Tile_arg = 1;
break;
/* ----------------------------------------------------- */
case 'n': /* resolution */
sscanf(optarg, "%d", &NumResolution);
break;
/* ----------------------------------------------------- */
case 'c': /* precinct dimension */
s = optarg;
do {
sep = 0;
sscanf(s, "[%d,%d]%c", &prcw_init[res_spec],
&prch_init[res_spec], &sep);
CSty |= 0x01;
res_spec++;
s = strpbrk(s, "]") + 2;
} while (sep == ',');
break;
/* ----------------------------------------------------- */
case 'b': /* code-block dimension */
sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
|| cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
fprintf(stderr,
"!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'x': /* creation of index file */
index = optarg;
cp.index_on = 1;
break;
/* ----------------------------------------------------- */
case 'p': /* progression order */
s = optarg;
for (i = 0; i < 4; i++) {
progression[i] = *s;
s++;
}
Prog_order = give_progression(progression);
if (Prog_order == -1) {
fprintf(stderr,
"Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 's': /* subsampling factor */
if (sscanf(optarg, "%d,%d", &subsampling_dx, &subsampling_dy)
!= 2) {
fprintf(stderr,
"'-s' sub-sampling argument error ! [-s dx,dy]\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'd': /* coordonnate of the reference grid */
if (sscanf(optarg, "%d,%d", &Dim[0], &Dim[1]) != 2) {
fprintf(stderr,
"-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
return 1;
}
break;
/* ----------------------------------------------------- */
case 'h': /* Display an help description */
help_display();
return 0;
break;
/* ----------------------------------------------------- */
case 'P': /* POC */
fprintf(stderr, "/----------------------------------\\\n");
fprintf(stderr, "| POC option not fully tested !! |\n");
fprintf(stderr, "\\----------------------------------/\n");
s = optarg;
while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
&POC[numpocs].resno0, &POC[numpocs].compno0,
&POC[numpocs].layno1, &POC[numpocs].resno1,
&POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
POC[numpocs].prg = give_progression(POC[numpocs].progorder);
/* POC[numpocs].tile; */
numpocs++;
while (*s && *s != '/') {
s++;
}
if (!*s)
break;
s++;
}
break;
/* ------------------------------------------------------ */
case 'S': /* SOP marker */
CSty |= 0x02;
break;
/* ------------------------------------------------------ */
case 'E': /* EPH marker */
CSty |= 0x04;
break;
/* ------------------------------------------------------ */
case 'M': /* Mode switch pas tous au point !! */
if (sscanf(optarg, "%d", &value) == 1) {
for (i = 0; i <= 5; i++) {
int cache = value & (1 << i);
if (cache)
mode |= (1 << i);
}
}
break;
/* ------------------------------------------------------ */
case 'R': /* ROI */
if (sscanf(optarg, "OI:c=%d,U=%d", &ROI_compno, &ROI_shift) != 2) {
fprintf(stderr, "ROI error !! [-ROI:c='compno',U='shift']\n");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'T': /* Tile offset */
if (sscanf(optarg, "%d,%d", &TX0, &TY0) != 2) {
fprintf(stderr, "-T 'tile offset' argument error !! [-T X0,Y0]");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'C': /* Add a comment */
cp.comment = optarg;
break;
/* ------------------------------------------------------ */
case 'I': /* reversible or not */
ir = 1;
break;
/* ------------------------------------------------------ */
case 'W': /* Width and Height and Cb and Cr subsampling in case of YUV format files */
if (sscanf
(optarg, "%d,%d,%d,%d", &w, &h, &CbCr_subsampling_dx,
&CbCr_subsampling_dy) != 4) {
fprintf(stderr, "-W argument error");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'F': /* Video frame rate */
if (sscanf(optarg, "%d", &frame_rate) != 1) {
fprintf(stderr, "-F argument error");
return 1;
}
break;
/* ------------------------------------------------------ */
default:
return 1;
}
}
cp.tx0 = TX0;
cp.ty0 = TY0;
/* Error messages */
/* -------------- */
if (!infile || !outfile) {
fprintf(stderr,
"Correct usage: mj2_encoder -i yuv-file -o mj2-file (+ options)\n");
return 1;
}
if ((cp.disto_alloc || cp.fixed_alloc || cp.fixed_quality)
&& (!(cp.disto_alloc ^ cp.fixed_alloc ^ cp.fixed_quality))) {
fprintf(stderr,
"Error: options -r -q and -f can not be used together !!\n");
return 1;
} // mod fixed_quality
/* if no rate entered, lossless by default */
if (tcp_init->numlayers == 0) {
tcp_init->rates[tcp_init->numlayers] = 0; //MOD antonin : losslessbug
tcp_init->numlayers++;
cp.disto_alloc = 1;
}
if (TX0 > Dim[0] || TY0 > Dim[1]) {
fprintf(stderr,
"Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
TX0, Dim[0], TY0, Dim[1]);
return 1;
}
for (i = 0; i < numpocs; i++) {
if (POC[i].prg == -1) {
fprintf(stderr,
"Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
i + 1);
}
}
/* to respect profile - 0 */
/* ---------------------- */
numD_min = 0;
x1 = !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
1) *
subsampling_dx + 1;
y1 = !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
1) *
subsampling_dy + 1;
if (Tile_arg == 1) {
cp.tw = int_ceildiv(x1 - cp.tx0, cp.tdx);
cp.th = int_ceildiv(y1 - cp.ty0, cp.tdy);
} else {
cp.tdx = x1 - cp.tx0;
cp.tdy = y1 - cp.ty0;
}
/* Initialization for PPM marker */
cp.ppm = 0;
cp.ppm_data = NULL;
cp.ppm_previous = 0;
cp.ppm_store = 0;
numcomps = 3; /* Because YUV files only have 3 components */
tcp_init->mct = 0; /* No component transform needed */
prec = 8; /* Because in YUV files, components have 8-bit depth */
/* Init the mutiple tiles */
/* ---------------------- */
cp.tcps = (j2k_tcp_t *) malloc(cp.tw * cp.th * sizeof(j2k_tcp_t));
for (tileno = 0; tileno < cp.tw * cp.th; tileno++) {
tcp = &cp.tcps[tileno];
tcp->numlayers = tcp_init->numlayers;
for (j = 0; j < tcp->numlayers; j++) {
if (cp.fixed_quality) // add fixed_quality
tcp->distoratio[j] = tcp_init->distoratio[j];
else
tcp->rates[j] = tcp_init->rates[j];
}
tcp->csty = CSty;
tcp->prg = Prog_order;
tcp->mct = tcp_init->mct;
tcp->ppt = 0;
tcp->ppt_data = NULL;
tcp->ppt_store = 0;
numpocs_tile = 0;
tcp->POC = 0;
if (numpocs) {
/* intialisation of POC */
tcp->POC = 1;
for (i = 0; i < numpocs; i++) {
if (tileno == POC[i].tile - 1 || POC[i].tile == -1) {
tcp_poc = &tcp->pocs[numpocs_tile];
tcp_poc->resno0 = POC[numpocs_tile].resno0;
tcp_poc->compno0 = POC[numpocs_tile].compno0;
tcp_poc->layno1 = POC[numpocs_tile].layno1;
tcp_poc->resno1 = POC[numpocs_tile].resno1;
tcp_poc->compno1 = POC[numpocs_tile].compno1;
tcp_poc->prg = POC[numpocs_tile].prg;
tcp_poc->tile = POC[numpocs_tile].tile;
numpocs_tile++;
}
}
}
tcp->numpocs = numpocs_tile;
tcp->tccps = (j2k_tccp_t *) malloc(numcomps * sizeof(j2k_tccp_t));
for (i = 0; i < numcomps; i++) {
tccp = &tcp->tccps[i];
tccp->csty = CSty & 0x01; /* 0 => one precinct || 1 => custom precinct */
tccp->numresolutions = NumResolution;
tccp->cblkw = int_floorlog2(cblockw_init);
tccp->cblkh = int_floorlog2(cblockh_init);
tccp->cblksty = mode;
tccp->qmfbid = ir ? 0 : 1;
tccp->qntsty = ir ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
tccp->numgbits = 2;
if (i == ROI_compno)
tccp->roishift = ROI_shift;
else
tccp->roishift = 0;
if (CSty & J2K_CCP_CSTY_PRT) {
int p = 0;
for (j = tccp->numresolutions - 1; j >= 0; j--) {
if (p < res_spec) {
if (prcw_init[p] < 1)
tccp->prcw[j] = 1;
else
tccp->prcw[j] = int_floorlog2(prcw_init[p]);
if (prch_init[p] < 1)
tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(prch_init[p]);
} else {
int size_prcw, size_prch;
size_prcw = prcw_init[res_spec - 1] >> (p - (res_spec - 1));
size_prch = prch_init[res_spec - 1] >> (p - (res_spec - 1));
if (size_prcw < 1)
tccp->prcw[j] = 1;
else
tccp->prcw[j] = int_floorlog2(size_prcw);
if (size_prch < 1)
tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(size_prch);
}
p++;
/*printf("\nsize precinct pour level %d : %d,%d\n", j,
tccp->prcw[j], tccp->prch[j]); */
}
} else {
for (j = 0; j < tccp->numresolutions; j++) {
tccp->prcw[j] = 15;
tccp->prch[j] = 15;
}
}
calc_explicit_stepsizes(tccp, prec);
}
int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi) {
int bandno, cblkno;
unsigned char *c = src;
opj_cp_t *cp = t2->cp;
int compno = pi->compno; /* component value */
int resno = pi->resno; /* resolution level value */
int precno = pi->precno; /* precinct value */
int layno = pi->layno; /* quality layer value */
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
unsigned char *hd = NULL;
int present;
opj_bio_t *bio = NULL; /* BIO component */
if (layno == 0) {
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)||(band->z1-band->z0 == 0)) continue;
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
cblk->numsegs = 0;
}
}
}
/* SOP markers */
if (tcp->csty & J3D_CP_CSTY_SOP) {
if ((*c) != 0xff || (*(c + 1) != 0x91)) {
opj_event_msg(t2->cinfo, EVT_WARNING, "Expected SOP marker\n");
} else {
c += 6;
}
/** TODO : check the Nsop value */
}
/*
When the marker PPT/PPM is used the packet header are store in PPT/PPM marker
This part deal with this caracteristic
step 1: Read packet header in the saved structure
step 2: Return to codestream for decoding
*/
bio = bio_create();
if (cp->ppm == 1) { /* PPM */
hd = cp->ppm_data;
bio_init_dec(bio, hd, cp->ppm_len);
} else if (tcp->ppt == 1) { /* PPT */
hd = tcp->ppt_data;
bio_init_dec(bio, hd, tcp->ppt_len);
} else { /* Normal Case */
hd = c;
bio_init_dec(bio, hd, src+len-hd);
}
present = bio_read(bio, 1);
if (!present) {
bio_inalign(bio);
hd += bio_numbytes(bio);
bio_destroy(bio);
/* EPH markers */
if (tcp->csty & J3D_CP_CSTY_EPH) {
if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
printf("Error : expected EPH marker\n");
} else {
hd += 2;
}
}
if (cp->ppm == 1) { /* PPM case */
cp->ppm_len += cp->ppm_data-hd;
cp->ppm_data = hd;
return (c - src);
}
if (tcp->ppt == 1) { /* PPT case */
tcp->ppt_len+=tcp->ppt_data-hd;
tcp->ppt_data = hd;
return (c - src);
}
return (hd - src);
}
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)||(band->z1-band->z0 == 0)) continue;
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) {
int included, increment, n;
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_seg_t *seg = NULL;
/* if cblk not yet included before --> inclusion tagtree */
if (!cblk->numsegs) {
included = tgt_decode(bio, prc->incltree, cblkno, layno + 1);
/* else one bit */
} else {
included = bio_read(bio, 1);
}
/* if cblk not included */
if (!included) {
cblk->numnewpasses = 0;
continue;
}
/* if cblk not yet included --> zero-bitplane tagtree */
if (!cblk->numsegs) {
int i, numimsbs;
for (i = 0; !tgt_decode(bio, prc->imsbtree, cblkno, i); i++);
numimsbs = i - 1;
cblk->numbps = band->numbps - numimsbs;
cblk->numlenbits = 3;
}
/* number of coding passes */
cblk->numnewpasses = t2_getnumpasses(bio);
increment = t2_getcommacode(bio);
/* length indicator increment */
cblk->numlenbits += increment;
if (!cblk->numsegs) {
seg = &cblk->segs[0];
t2_init_seg(seg, tcp->tccps[compno].cblksty, 1);
} else {
seg = &cblk->segs[cblk->numsegs - 1];
if (seg->numpasses == seg->maxpasses) {
t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
}
}
n = cblk->numnewpasses;
do {
seg->numnewpasses = int_min(seg->maxpasses - seg->numpasses, n);
seg->newlen = bio_read(bio, cblk->numlenbits + int_floorlog2(seg->numnewpasses));
n -= seg->numnewpasses;
if (n > 0) {
t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
}
} while (n > 0);
}
}
if (bio_inalign(bio)) {
bio_destroy(bio);
return -999;
}
hd += bio_numbytes(bio);
bio_destroy(bio);
/* EPH markers */
if (tcp->csty & J3D_CP_CSTY_EPH) {
if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
return -999;
} else {
hd += 2;
}
}
if (cp->ppm==1) {
cp->ppm_len+=cp->ppm_data-hd;
cp->ppm_data = hd;
} else if (tcp->ppt == 1) {
tcp->ppt_len+=tcp->ppt_data-hd;
tcp->ppt_data = hd;
} else {
c=hd;
}
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
opj_tcd_precinct_t *prc = &band->precincts[precno];
if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)||(band->z1-band->z0 == 0)) continue;
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_seg_t *seg = NULL;
if (!cblk->numnewpasses)
continue;
if (!cblk->numsegs) {
seg = &cblk->segs[0];
cblk->numsegs++;
cblk->len = 0;
} else {
seg = &cblk->segs[cblk->numsegs - 1];
if (seg->numpasses == seg->maxpasses) {
seg++;
cblk->numsegs++;
}
}
do {
if (c + seg->newlen > src + len) {
return -999;
}
memcpy(cblk->data + cblk->len, c, seg->newlen);
if (seg->numpasses == 0) {
seg->data = cblk->data + cblk->len;
}
c += seg->newlen;
cblk->len += seg->newlen;
seg->len += seg->newlen;
seg->numpasses += seg->numnewpasses;
cblk->numnewpasses -= seg->numnewpasses;
if (cblk->numnewpasses > 0) {
seg++;
cblk->numsegs++;
}
} while (cblk->numnewpasses > 0);
}
}
return (c - src);
}
void j2kTierOne::tierOneEncodeCodeBlock(j2kTileCoder_CodeBlock *codeBlock,j2kTileCoder_Tile *tile,int orient,int compno,int level,int isDWT,double stepSize,int codeBlockStyle,int numComps)
{
int cbWidth=codeBlock->x1-codeBlock->x0;
int cbHeight=codeBlock->y1-codeBlock->y0;
int max=0;
for(int i=0; i<cbHeight; i++)
{
for(int j=0; j<cbWidth; j++)
{
max=int_max(max,int_abs(tierOneData[i][j]));
}
}
if(max)
codeBlock->numbps=int_floorlog2(max)+1-T1_NMSEDEC_FRACBITS;
else
codeBlock->numbps=0;
for(int i=0; i<sizeof(tierOneFlags)/sizeof(int); i++)
{
((int*)tierOneFlags)[i]=0;
}
int bpsno=codeBlock->numbps-1;
int passType=2;
mqcResetStates();
mqcSetState(T1_CTXNO_UNI,0,46);
mqcSetState(T1_CTXNO_AGG,0,3);
mqcSetState(T1_CTXNO_ZC,0,4);
mqcInitEncode(codeBlock->data);
int type;
int nmSeDec;
double curWmSeDec=0;//?
int passno;
for(passno=0; bpsno>=0; passno++)
{
//printf ("cb2==%d==%d\n",passno,ttemp->x0);
j2kTileCoder_Pass *pass=&codeBlock->passes[passno];
int correction=3;
type=((bpsno<(codeBlock->numbps-4))&&(passType<2)&&(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))?T1_TYPE_RAW:T1_TYPE_MQ;
switch(passType)
{
case 0:
tierOneSignPass(cbWidth,cbHeight,bpsno,orient,&nmSeDec,type,codeBlockStyle);
break;
case 1:
tierOneRefPass(cbWidth,cbHeight,bpsno,&nmSeDec,type,codeBlockStyle);//此项有问题
break;
case 2:
tierOneCleanPass(cbWidth,cbHeight,bpsno,orient,&nmSeDec,codeBlockStyle);
if(codeBlockStyle&J2K_CCP_CBLKSTY_SEGSYM)
mqcSegMarkEncode();/* 模式变化 SEGMARK*/
break;
}
curWmSeDec+=getWmSeDec(nmSeDec,compno,level,orient,bpsno,isDWT,stepSize,numComps);//mod fixed_quality
tile->distotile+=getWmSeDec(nmSeDec,compno,level,orient,bpsno,isDWT,stepSize,numComps);//add antonin quality
//以下开始模式变换
if((codeBlockStyle&J2K_CCP_CBLKSTY_TERMALL)&&
!((passType==2)&&
(bpsno-1<0)))
{
mqcFlush();
correction=1;
pass->term=1;
} else {
if(((bpsno<(codeBlock->numbps-4)&&(passType>0))||((bpsno==(codeBlock->numbps-4))&&(passType==2)))&&
(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))
{
mqcFlush();
correction=1;
pass->term=1;
} else {
pass->term=0;
}
}
if(++passType==3)
{
passType=0;
bpsno--;
}
if(pass->term&&bpsno>0)
{
type=((bpsno<(codeBlock->numbps-4))&&(passType<2)&&(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))?T1_TYPE_RAW:T1_TYPE_MQ;
if(type==T1_TYPE_RAW)
mqcByPassInitEncode();//BYPASS模式初始化
else
mqcRestartInitEncode();
}
pass->distortiondec=curWmSeDec;
pass->rate=mqcNumBytes()+correction;
if(passno==0)
{
pass->len=pass->rate;
} else {
pass->len=pass->rate-codeBlock->passes[passno-1].rate;
}
//模式变换 RESET
if(codeBlockStyle&J2K_CCP_CBLKSTY_RESET)
mqcResetEncode();
}
//模式变换ERTERM
if(codeBlockStyle&J2K_CCP_CBLKSTY_PTERM)
mqcErtermEncode();
else if(!(codeBlockStyle&J2K_CCP_CBLKSTY_LAZY))//默认模式
mqcFlush();
codeBlock->totalpasses=passno;
}
int t2_encode_packet(tcd_tile_t *tile, j2k_tcp_t *tcp, int compno, int resno, int precno, int layno, unsigned char *dest, int len) {
int bandno, cblkno;
tcd_tilecomp_t *tilec=&tile->comps[compno];
tcd_resolution_t *res=&tilec->resolutions[resno];
unsigned char *c=dest;
if (!layno) {
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
cblk->numpasses=0;
tgt_setvalue(prc->imsbtree, cblkno, band->numbps-cblk->numbps);
}
}
}
bio_init_enc(c, len);
bio_write(1, 1);
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
tcd_layer_t *layer=&cblk->layers[layno];
if (!cblk->numpasses && layer->numpasses) {
tgt_setvalue(prc->incltree, cblkno, layno);
}
}
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
tcd_layer_t *layer=&cblk->layers[layno];
int increment;
if (!cblk->numpasses) {
tgt_encode(prc->incltree, cblkno, layno+1);
} else {
bio_write(layer->numpasses!=0, 1);
}
if (!layer->numpasses) {
continue;
}
if (!cblk->numpasses) {
cblk->numlenbits=3;
tgt_encode(prc->imsbtree, cblkno, 999);
}
t2_putnumpasses(layer->numpasses);
increment=int_max(0, int_floorlog2(layer->len)+1-(cblk->numlenbits+int_floorlog2(layer->numpasses)));
t2_putcommacode(increment);
cblk->numlenbits+=increment;
bio_write(layer->len, cblk->numlenbits+int_floorlog2(layer->numpasses));
}
}
bio_flush();
c+=bio_numbytes();
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
tcd_layer_t *layer=&cblk->layers[layno];
if (!layer->numpasses) continue;
if (c+layer->len>dest+len) {
longjmp(j2k_error, 1);
}
memcpy(c, layer->data, layer->len);
cblk->numpasses+=layer->numpasses;
c+=layer->len;
}
}
return c-dest;
}
int t2_decode_packet(unsigned char *src, int len, tcd_tile_t *tile, j2k_tcp_t *tcp, int compno, int resno, int precno, int layno) {
int bandno, cblkno;
tcd_tilecomp_t *tilec=&tile->comps[compno];
tcd_resolution_t *res=&tilec->resolutions[resno];
unsigned char *c=src;
int present;
if (layno==0) {
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
tgt_reset(prc->incltree);
tgt_reset(prc->imsbtree);
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
cblk->numsegs=0;
}
}
}
if (tcp->csty&J2K_CP_CSTY_SOP) {
c+=6;
}
bio_init_dec(c, src+len-c);
present=bio_read(1);
if (!present) {
bio_inalign();
c+=bio_numbytes();
return c-src;
}
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
int included, increment, n;
tcd_cblk_t *cblk=&prc->cblks[cblkno];
tcd_seg_t *seg;
if (!cblk->numsegs) {
included=tgt_decode(prc->incltree, cblkno, layno+1);
} else {
included=bio_read(1);
}
if (!included) {
cblk->numnewpasses=0;
continue;
}
if (!cblk->numsegs) {
int i, numimsbs;
for (i=0; !tgt_decode(prc->imsbtree, cblkno, i); i++) {}
numimsbs=i-1;
cblk->numbps=band->numbps-numimsbs;
cblk->numlenbits=3;
}
cblk->numnewpasses=t2_getnumpasses();
increment=t2_getcommacode();
cblk->numlenbits+=increment;
if (!cblk->numsegs) {
seg=&cblk->segs[0];
t2_init_seg(seg, tcp->tccps[compno].cblksty);
} else {
seg=&cblk->segs[cblk->numsegs-1];
if (seg->numpasses==seg->maxpasses) {
t2_init_seg(++seg, tcp->tccps[compno].cblksty);
}
}
n=cblk->numnewpasses;
do {
seg->numnewpasses=int_min(seg->maxpasses-seg->numpasses, n);
seg->newlen=bio_read(cblk->numlenbits+int_floorlog2(seg->numnewpasses));
n-=seg->numnewpasses;
if (n>0) {
t2_init_seg(++seg, tcp->tccps[compno].cblksty);
}
} while (n>0);
}
}
bio_inalign();
c+=bio_numbytes();
if (tcp->csty&J2K_CP_CSTY_EPH) {
c+=2;
}
for (bandno=0; bandno<res->numbands; bandno++) {
tcd_band_t *band=&res->bands[bandno];
tcd_precinct_t *prc=&band->precincts[precno];
for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) {
tcd_cblk_t *cblk=&prc->cblks[cblkno];
tcd_seg_t *seg;
if (!cblk->numnewpasses) continue;
if (!cblk->numsegs) {
seg=&cblk->segs[cblk->numsegs++];
cblk->len=0;
} else {
seg=&cblk->segs[cblk->numsegs-1];
if (seg->numpasses==seg->maxpasses) {
seg++;
cblk->numsegs++;
}
}
do {
if (c+seg->newlen>src+len) longjmp(j2k_error, 1);
memcpy(cblk->data+cblk->len, c, seg->newlen);
if (seg->numpasses==0) {
seg->data=cblk->data+cblk->len;
}
c+=seg->newlen;
cblk->len+=seg->newlen;
seg->len+=seg->newlen;
seg->numpasses+=seg->numnewpasses;
cblk->numnewpasses-=seg->numnewpasses;
if (cblk->numnewpasses>0) {
seg++;
cblk->numsegs++;
}
} while (cblk->numnewpasses>0);
}
}
return c-src;
}