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TRUNK:added a new indexer functionality to the library. With the new -jpip option at encoding, the user can now generate a JP2 file including an XML box with the index used when browsing the image with JPIP

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This commit is contained in:
Antonin Descampe
2011-09-09 14:49:08 +00:00
parent bc7c3e44d5
commit fa720c1858
21 changed files with 1246 additions and 42 deletions
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87
libopenjpeg/j2k.c
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@@ -6,6 +6,7 @@
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* Copyright (c) 2010-2011, Kaori Hagihara
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -228,6 +229,23 @@ Read an unknown marker
@param j2k J2K handle
*/
static void j2k_read_unk(opj_j2k_t *j2k);
/**
Add main header marker information
@param cstr_info Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
/**
Add tile header marker information
@param tileno tile index number
@param cstr_info Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
/*@}*/
@@ -328,12 +346,14 @@ static void j2k_write_soc(opj_j2k_t *j2k) {
opj_cio_t *cio = j2k->cio;
cio_write(cio, J2K_MS_SOC, 2);
if(j2k->cstr_info)
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
/* UniPG>> */
#ifdef USE_JPWL
/* update markers struct */
j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
#endif /* USE_JPWL */
/* <<UniPG */
}
@@ -354,7 +374,7 @@ static void j2k_write_siz(opj_j2k_t *j2k) {
opj_cio_t *cio = j2k->cio;
opj_image_t *image = j2k->image;
opj_cp_t *cp = j2k->cp;
cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
lenp = cio_tell(cio);
cio_skip(cio, 2);
@@ -377,6 +397,9 @@ static void j2k_write_siz(opj_j2k_t *j2k) {
cio_seek(cio, lenp);
cio_write(cio, len, 2); /* Lsiz */
cio_seek(cio, lenp + len);
if(j2k->cstr_info)
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
}
static void j2k_read_siz(opj_j2k_t *j2k) {
@@ -607,6 +630,11 @@ static void j2k_write_com(opj_j2k_t *j2k) {
cio_seek(cio, lenp);
cio_write(cio, len, 2);
cio_seek(cio, lenp + len);
if(j2k->cstr_info)
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
}
}
@@ -710,6 +738,10 @@ static void j2k_write_cod(opj_j2k_t *j2k) {
cio_seek(cio, lenp);
cio_write(cio, len, 2); /* Lcod */
cio_seek(cio, lenp + len);
if(j2k->cstr_info)
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
}
static void j2k_read_cod(opj_j2k_t *j2k) {
@@ -890,6 +922,9 @@ static void j2k_write_qcd(opj_j2k_t *j2k) {
cio_seek(cio, lenp);
cio_write(cio, len, 2); /* Lqcd */
cio_seek(cio, lenp + len);
if(j2k->cstr_info)
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
}
static void j2k_read_qcd(opj_j2k_t *j2k) {
@@ -1211,6 +1246,10 @@ static void j2k_write_sot(opj_j2k_t *j2k) {
j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
#endif /* USE_JPWL */
/* <<UniPG */
if( j2k->cstr_info && j2k->cur_tp_num==0){
j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
}
}
static void j2k_read_sot(opj_j2k_t *j2k) {
@@ -1357,6 +1396,11 @@ static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
tcd->cur_tp_num = j2k->cur_tp_num;
cio_write(cio, J2K_MS_SOD, 2);
if( j2k->cstr_info && j2k->cur_tp_num==0){
j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
}
if (j2k->curtileno == 0) {
j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
}
@@ -1849,7 +1893,6 @@ opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *c
if (j2k->state != J2K_STATE_MT) {
opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
}
return image;
}
@@ -2337,6 +2380,9 @@ opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_code
/* INDEX >> */
if(cstr_info) {
cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
cstr_info->tile[j2k->curtileno].maxmarknum = 10;
cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
cstr_info->tile[j2k->curtileno].marknum = 0;
}
/* << INDEX */
@@ -2446,8 +2492,43 @@ opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_code
return OPJ_TRUE;
}
static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
if (!cstr_info)
return;
/* expand the list? */
if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
}
/* add the marker */
cstr_info->marker[cstr_info->marknum].type = type;
cstr_info->marker[cstr_info->marknum].pos = pos;
cstr_info->marker[cstr_info->marknum].len = len;
cstr_info->marknum++;
}
static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
opj_marker_info_t *marker;
if (!cstr_info)
return;
/* expand the list? */
if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
}
marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
/* add the marker */
marker->type = type;
marker->pos = pos;
marker->len = len;
cstr_info->tile[tileno].marknum++;
}