* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2010-2011, Kaori Hagihara
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@param box
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box);
+static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box);
/*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/
/**
Read the IHDR box - Image Header box
@param cio Input buffer stream
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio);
+static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio);
static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio);
static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio);
-static bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio);
+static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio);
static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio);
/**
Write the FTYP box - File type box
@param cio Input buffer stream
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio);
+static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio);
static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
-static bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset);
+static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset);
static void jp2_write_jp(opj_cio_t *cio);
/**
Read the JP box - JPEG 2000 signature
@param cio Input buffer stream
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio);
+static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio);
/**
Decode the structure of a JP2 file
@param jp2 JP2 handle
@param color Collector for profile, cdef and pclr data
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_color_t *color);
/**
Apply collected palette data
@param color Collector for profile, cdef and pclr data
@param image
*/
-static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image);
+static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image, opj_common_ptr cinfo);
/**
Collect palette data
@param jp2 JP2 handle
@param color Collector for profile, cdef and pclr data
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color);
/**
Collect component mapping data
@param color Collector for profile, cdef and pclr data
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color);
/**
Collect colour specification data
@param color Collector for profile, cdef and pclr data
@return Returns true if successful, returns false otherwise
*/
-static bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color);
+/**
+Write file Index (superbox)
+@param[in] offset_jp2c offset of jp2c box
+@param[in] length_jp2c length of jp2c box
+@param[in] offset_idx offset of cidx box
+@param[in] length_idx length of cidx box
+@param[in] cio file output handle
+@return length of fidx box
+*/
+static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio);
+/**
+Write index Finder box
+@param[in] offset offset of fidx box
+@param[in] length length of fidx box
+@param[in] cio file output handle
+*/
+static void write_iptr( int offset, int length, opj_cio_t *cio);
+/**
+Write proxy box
+@param[in] offset_jp2c offset of jp2c box
+@param[in] length_jp2c length of jp2c box
+@param[in] offset_idx offset of cidx box
+@param[in] length_idx length of cidx box
+@param[in] cio file output handle
+*/
+static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio);
/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
-static bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box) {
+static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box) {
box->init_pos = cio_tell(cio);
box->length = cio_read(cio, 4);
box->type = cio_read(cio, 4);
if (box->length == 1) {
if (cio_read(cio, 4) != 0) {
opj_event_msg(cinfo, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
- return false;
+ return OPJ_FALSE;
}
box->length = cio_read(cio, 4);
if (box->length == 0)
box->length = cio_numbytesleft(cio) + 8;
}
- return true;
+ return OPJ_TRUE;
}
#if 0
}
#endif
-static bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) {
+static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) {
opj_jp2_box_t box;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
+ if(jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) {
+ opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n");
+ return OPJ_FALSE;
+ }
if (JP2_IHDR != box.type) {
opj_event_msg(cinfo, EVT_ERROR, "Expected IHDR Marker\n");
- return false;
+ return OPJ_FALSE;
}
jp2->h = cio_read(cio, 4); /* HEIGHT */
if (cio_tell(cio) - box.init_pos != box.length) {
opj_event_msg(cinfo, EVT_ERROR, "Error with IHDR Box\n");
- return false;
+ return OPJ_FALSE;
}
- return true;
+ return OPJ_TRUE;
}
static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) {
}
-static bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) {
+static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) {
unsigned int i;
opj_jp2_box_t box;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) {
+ opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n");
+ return OPJ_FALSE;
+ }
if (JP2_BPCC != box.type) {
opj_event_msg(cinfo, EVT_ERROR, "Expected BPCC Marker\n");
- return false;
+ return OPJ_FALSE;
}
for (i = 0; i < jp2->numcomps; i++) {
if (cio_tell(cio) - box.init_pos != box.length) {
opj_event_msg(cinfo, EVT_ERROR, "Error with BPCC Box\n");
- return false;
+ return OPJ_FALSE;
}
- return true;
+ return OPJ_TRUE;
}
static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio) {
cio_write(cio, jp2->precedence, 1); /* PRECEDENCE */
cio_write(cio, jp2->approx, 1); /* APPROX */
- if (jp2->meth == 1) {
- cio_write(cio, jp2->enumcs, 4); /* EnumCS */
- } else {
- cio_write(cio, 0, 1); /* PROFILE (??) */
- }
+ if(jp2->meth == 2)
+ jp2->enumcs = 0;
+
+ cio_write(cio, jp2->enumcs, 4); /* EnumCS */
box.length = cio_tell(cio) - box.init_pos;
cio_seek(cio, box.init_pos);
if(color->icc_profile_buf) opj_free(color->icc_profile_buf);
}
-static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image)
+static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image, opj_common_ptr cinfo)
{
opj_image_comp_t *old_comps, *new_comps;
unsigned char *channel_size, *channel_sign;
{
pcol = cmap[i].pcol; cmp = cmap[i].cmp;
- new_comps[pcol] = old_comps[cmp];
+ if( pcol < nr_channels )
+ new_comps[pcol] = old_comps[cmp];
+ else
+ {
+ opj_event_msg(cinfo, EVT_ERROR, "Error with pcol value %d (max: %d). skipping\n", pcol, nr_channels);
+ continue;
+ }
if(cmap[i].mtyp == 0) /* Direct use */
{
}/* apply_pclr() */
-static bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color)
{
opj_jp2_pclr_t *jp2_pclr;
unsigned short i, j;
unsigned char uc;
+ OPJ_ARG_NOT_USED(box);
+ OPJ_ARG_NOT_USED(jp2);
+
/* Part 1, I.5.3.4: 'There shall be at most one Palette box inside
* a JP2 Header box' :
*/
- if(color->jp2_pclr) return false;
+ if(color->jp2_pclr) return OPJ_FALSE;
- nr_entries = cio_read(cio, 2); /* NE */
- nr_channels = cio_read(cio, 1);/* NPC */
+ nr_entries = (unsigned short)cio_read(cio, 2); /* NE */
+ nr_channels = (unsigned short)cio_read(cio, 1);/* NPC */
entries = (unsigned int*)
opj_malloc(nr_channels * nr_entries * sizeof(unsigned int));
for(i = 0; i < nr_channels; ++i)
{
/* Cji */
- *entries++ = cio_read(cio, channel_size[i]>>3);
+ *entries++ = cio_read(cio, (channel_size[i]+7)>>3);
}
}
- return true;
+ return OPJ_TRUE;
}/* jp2_read_pclr() */
-static bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color)
{
opj_jp2_cmap_comp_t *cmap;
unsigned short i, nr_channels;
+ OPJ_ARG_NOT_USED(box);
+ OPJ_ARG_NOT_USED(jp2);
+
/* Need nr_channels: */
- if(color->jp2_pclr == NULL) return false;
+ if(color->jp2_pclr == NULL) return OPJ_FALSE;
/* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
* inside a JP2 Header box' :
*/
- if(color->jp2_pclr->cmap) return false;
+ if(color->jp2_pclr->cmap) return OPJ_FALSE;
nr_channels = color->jp2_pclr->nr_channels;
cmap = (opj_jp2_cmap_comp_t*)
for(i = 0; i < nr_channels; ++i)
{
- cmap[i].cmp = cio_read(cio, 2);
+ cmap[i].cmp = (unsigned short)cio_read(cio, 2);
cmap[i].mtyp = cio_read(cio, 1);
cmap[i].pcol = cio_read(cio, 1);
}
color->jp2_pclr->cmap = cmap;
- return true;
+ return OPJ_TRUE;
}/* jp2_read_cmap() */
static void jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
}/* jp2_apply_cdef() */
-static bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color)
{
opj_jp2_cdef_info_t *info;
unsigned short i, n;
+ OPJ_ARG_NOT_USED(box);
+ OPJ_ARG_NOT_USED(jp2);
+
/* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
* inside a JP2 Header box.'
*/
- if(color->jp2_cdef) return false;
+ if(color->jp2_cdef) return OPJ_FALSE;
- if((n = cio_read(cio, 2)) == 0) return false; /* szukw000: FIXME */
+ if((n = (unsigned short)cio_read(cio, 2)) == 0) return OPJ_FALSE; /* szukw000: FIXME */
info = (opj_jp2_cdef_info_t*)
opj_malloc(n * sizeof(opj_jp2_cdef_info_t));
for(i = 0; i < n; ++i)
{
- info[i].cn = cio_read(cio, 2);
- info[i].typ = cio_read(cio, 2);
- info[i].asoc = cio_read(cio, 2);
+ info[i].cn = (unsigned short)cio_read(cio, 2);
+ info[i].typ = (unsigned short)cio_read(cio, 2);
+ info[i].asoc = (unsigned short)cio_read(cio, 2);
}
- return true;
+ return OPJ_TRUE;
}/* jp2_read_cdef() */
-static bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_box_t *box, opj_jp2_color_t *color)
{
int skip_len;
/* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
* Specification boxes after the first.'
*/
- if(color->jp2_has_colr) return false;
+ if(color->jp2_has_colr) return OPJ_FALSE;
cinfo = jp2->cinfo;
{
jp2->enumcs = cio_read(cio, 4); /* EnumCS */
}
- else
+ else
+ if (jp2->meth == 2)
{
/* skip PROFILE */
skip_len = box->init_pos + box->length - cio_tell(cio);
if (skip_len < 0)
{
opj_event_msg(cinfo, EVT_ERROR, "Error with COLR box size\n");
- return false;
+ return OPJ_FALSE;
}
if(skip_len > 0)
{
if (cio_tell(cio) - box->init_pos != box->length)
{
opj_event_msg(cinfo, EVT_ERROR, "Error with COLR Box\n");
- return false;
+ return OPJ_FALSE;
}
color->jp2_has_colr = 1;
- return true;
+ return OPJ_TRUE;
}/* jp2_read_colr() */
-bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color)
+opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color)
{
opj_jp2_box_t box;
- unsigned int jp2h_end;
+ int jp2h_end;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
- do
- {
- if (JP2_JP2H != box.type)
- {
- if (box.type == JP2_JP2C)
- {
- opj_event_msg(cinfo, EVT_ERROR, "Expected JP2H Marker\n");
- return false;
- }
- cio_skip(cio, box.length - 8);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ do {
+ if (JP2_JP2H != box.type)
+ {
+ if (box.type == JP2_JP2C)
+ {
+ opj_event_msg(cinfo, EVT_ERROR, "Expected JP2H Marker\n");
+ return OPJ_FALSE;
+ }
+ cio_skip(cio, box.length - 8);
- if(cio->bp >= cio->end) return false;
+ if(cio->bp >= cio->end) return OPJ_FALSE;
- jp2_read_boxhdr(cinfo, cio, &box);
- }
- } while(JP2_JP2H != box.type);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ }
+ } while(JP2_JP2H != box.type);
if (!jp2_read_ihdr(jp2, cio))
- return false;
+ return OPJ_FALSE;
jp2h_end = box.init_pos + box.length;
- if (jp2->bpc == 255)
- {
- if (!jp2_read_bpcc(jp2, cio))
- return false;
- }
- jp2_read_boxhdr(cinfo, cio, &box);
-
- while(cio_tell(cio) < jp2h_end)
- {
- if(box.type == JP2_COLR)
- {
- if( !jp2_read_colr(jp2, cio, &box, color))
- {
+ if (jp2->bpc == 255)
+ {
+ if (!jp2_read_bpcc(jp2, cio))
+ return OPJ_FALSE;
+ }
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+
+ while(cio_tell(cio) < jp2h_end)
+ {
+ if(box.type == JP2_COLR)
+ {
+ if( !jp2_read_colr(jp2, cio, &box, color))
+ {
+ cio_seek(cio, box.init_pos + 8);
+ cio_skip(cio, box.length - 8);
+ }
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ continue;
+ }
+ if(box.type == JP2_CDEF && !jp2->ignore_pclr_cmap_cdef)
+ {
+ if( !jp2_read_cdef(jp2, cio, &box, color))
+ {
+ cio_seek(cio, box.init_pos + 8);
+ cio_skip(cio, box.length - 8);
+ }
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ continue;
+ }
+ if(box.type == JP2_PCLR && !jp2->ignore_pclr_cmap_cdef)
+ {
+ if( !jp2_read_pclr(jp2, cio, &box, color))
+ {
+ cio_seek(cio, box.init_pos + 8);
+ cio_skip(cio, box.length - 8);
+ }
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ continue;
+ }
+ if(box.type == JP2_CMAP && !jp2->ignore_pclr_cmap_cdef)
+ {
+ if( !jp2_read_cmap(jp2, cio, &box, color))
+ {
+ cio_seek(cio, box.init_pos + 8);
+ cio_skip(cio, box.length - 8);
+ }
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
+ continue;
+ }
cio_seek(cio, box.init_pos + 8);
cio_skip(cio, box.length - 8);
- }
- jp2_read_boxhdr(cinfo, cio, &box);
- continue;
- }
- if(box.type == JP2_CDEF)
- {
- if( !jp2_read_cdef(jp2, cio, &box, color))
- {
- cio_seek(cio, box.init_pos + 8);
- cio_skip(cio, box.length - 8);
- }
- jp2_read_boxhdr(cinfo, cio, &box);
- continue;
- }
- if(box.type == JP2_PCLR)
- {
- if( !jp2_read_pclr(jp2, cio, &box, color))
- {
- cio_seek(cio, box.init_pos + 8);
- cio_skip(cio, box.length - 8);
- }
- jp2_read_boxhdr(cinfo, cio, &box);
- continue;
- }
- if(box.type == JP2_CMAP)
- {
- if( !jp2_read_cmap(jp2, cio, &box, color))
- {
- cio_seek(cio, box.init_pos + 8);
- cio_skip(cio, box.length - 8);
- }
- jp2_read_boxhdr(cinfo, cio, &box);
- continue;
- }
- cio_seek(cio, box.init_pos + 8);
- cio_skip(cio, box.length - 8);
- jp2_read_boxhdr(cinfo, cio, &box);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
- }/* while(cio_tell(cio) < box_end) */
+ }/* while(cio_tell(cio) < box_end) */
- cio_seek(cio, jp2h_end);
+ cio_seek(cio, jp2h_end);
-/* Part 1, I.5.3.3 : 'must contain at least one' */
- return (color->jp2_has_colr == 1);
+ /* Part 1, I.5.3.3 : 'must contain at least one' */
+ return (color->jp2_has_colr == 1);
}/* jp2_read_jp2h() */
-opj_image_t* jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio,
+opj_image_t* opj_jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio,
opj_codestream_info_t *cstr_info)
{
opj_common_ptr cinfo;
opj_event_msg(cinfo, EVT_ERROR, "Failed to decode J2K image\n");
return NULL;
}
+
+ if (!jp2->ignore_pclr_cmap_cdef){
-/* Set Image Color Space */
+ /* Set Image Color Space */
if (jp2->enumcs == 16)
image->color_space = CLRSPC_SRGB;
else if (jp2->enumcs == 17)
if( !color.jp2_pclr->cmap)
jp2_free_pclr(&color);
else
- jp2_apply_pclr(&color, image);
+ jp2_apply_pclr(&color, image, cinfo);
}
if(color.icc_profile_buf)
{
color.icc_profile_buf = NULL;
image->icc_profile_len = color.icc_profile_len;
}
+ }
+
return image;
-}/* jp2_decode() */
+}/* opj_jp2_decode() */
void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio) {
cio_seek(cio, box.init_pos + box.length);
}
-static bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) {
+static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) {
int i;
opj_jp2_box_t box;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
-
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) {
+ opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n");
+ return OPJ_FALSE;
+ }
if (JP2_FTYP != box.type) {
opj_event_msg(cinfo, EVT_ERROR, "Expected FTYP Marker\n");
- return false;
+ return OPJ_FALSE;
}
jp2->brand = cio_read(cio, 4); /* BR */
if (cio_tell(cio) - box.init_pos != box.length) {
opj_event_msg(cinfo, EVT_ERROR, "Error with FTYP Box\n");
- return false;
+ return OPJ_FALSE;
}
- return true;
+ return OPJ_TRUE;
}
static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
return box.length;
}
-static bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset) {
+static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset) {
opj_jp2_box_t box;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) {
+ opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n");
+ return OPJ_FALSE;
+ }
do {
if(JP2_JP2C != box.type) {
cio_skip(cio, box.length - 8);
- jp2_read_boxhdr(cinfo, cio, &box);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE;
}
} while(JP2_JP2C != box.type);
*j2k_codestream_offset = cio_tell(cio);
*j2k_codestream_length = box.length - 8;
- return true;
+ return OPJ_TRUE;
}
static void jp2_write_jp(opj_cio_t *cio) {
cio_seek(cio, box.init_pos + box.length);
}
-static bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio) {
+static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio) {
opj_jp2_box_t box;
opj_common_ptr cinfo = jp2->cinfo;
- jp2_read_boxhdr(cinfo, cio, &box);
+ if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) {
+ opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n");
+ return OPJ_FALSE;
+ }
if (JP2_JP != box.type) {
opj_event_msg(cinfo, EVT_ERROR, "Expected JP Marker\n");
- return false;
+ return OPJ_FALSE;
}
if (0x0d0a870a != cio_read(cio, 4)) {
opj_event_msg(cinfo, EVT_ERROR, "Error with JP Marker\n");
- return false;
+ return OPJ_FALSE;
}
if (cio_tell(cio) - box.init_pos != box.length) {
opj_event_msg(cinfo, EVT_ERROR, "Error with JP Box size\n");
- return false;
+ return OPJ_FALSE;
}
- return true;
+ return OPJ_TRUE;
}
-static bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
+static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
opj_jp2_color_t *color) {
if (!jp2_read_jp(jp2, cio))
- return false;
+ return OPJ_FALSE;
if (!jp2_read_ftyp(jp2, cio))
- return false;
+ return OPJ_FALSE;
if (!jp2_read_jp2h(jp2, cio, color))
- return false;
+ return OPJ_FALSE;
if (!jp2_read_jp2c(jp2, cio, &jp2->j2k_codestream_length, &jp2->j2k_codestream_offset))
- return false;
+ return OPJ_FALSE;
- return true;
+ return OPJ_TRUE;
+}
+
+
+static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio)
+{
+ int len, lenp;
+
+ lenp = cio_tell( cio);
+ cio_skip( cio, 4); /* L [at the end] */
+ cio_write( cio, JPIP_FIDX, 4); /* IPTR */
+
+ write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio);
+
+ len = cio_tell( cio)-lenp;
+ cio_seek( cio, lenp);
+ cio_write( cio, len, 4); /* L */
+ cio_seek( cio, lenp+len);
+
+ return len;
+}
+
+static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio)
+{
+ int len, lenp;
+
+ lenp = cio_tell( cio);
+ cio_skip( cio, 4); /* L [at the end] */
+ cio_write( cio, JPIP_PRXY, 4); /* IPTR */
+
+ cio_write( cio, offset_jp2c, 8); /* OOFF */
+ cio_write( cio, length_jp2c, 4); /* OBH part 1 */
+ cio_write( cio, JP2_JP2C, 4); /* OBH part 2 */
+
+ cio_write( cio, 1,1); /* NI */
+
+ cio_write( cio, offset_idx, 8); /* IOFF */
+ cio_write( cio, length_idx, 4); /* IBH part 1 */
+ cio_write( cio, JPIP_CIDX, 4); /* IBH part 2 */
+
+ len = cio_tell( cio)-lenp;
+ cio_seek( cio, lenp);
+ cio_write( cio, len, 4); /* L */
+ cio_seek( cio, lenp+len);
}
+static void write_iptr( int offset, int length, opj_cio_t *cio)
+{
+ int len, lenp;
+
+ lenp = cio_tell( cio);
+ cio_skip( cio, 4); /* L [at the end] */
+ cio_write( cio, JPIP_IPTR, 4); /* IPTR */
+
+ cio_write( cio, offset, 8);
+ cio_write( cio, length, 8);
+
+ len = cio_tell( cio)-lenp;
+ cio_seek( cio, lenp);
+ cio_write( cio, len, 4); /* L */
+ cio_seek( cio, lenp+len);
+}
+
+
/* ----------------------------------------------------------------------- */
/* JP2 decoder interface */
/* ----------------------------------------------------------------------- */
/* setup the J2K codec */
j2k_setup_decoder(jp2->j2k, parameters);
/* further JP2 initializations go here */
+ jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
}
/* ----------------------------------------------------------------------- */
for (i = 0; i < image->numcomps; i++) {
jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
}
-
- /* Colour Specification box */
-
- if ((image->numcomps == 1 || image->numcomps == 3) && (jp2->bpc != 255)) {
- jp2->meth = 1; /* METH: Enumerated colourspace */
- } else {
- jp2->meth = 2; /* METH: Restricted ICC profile */
- }
- if (jp2->meth == 1) {
- if (image->color_space == 1)
- jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2.1 */
- else if (image->color_space == 2)
- jp2->enumcs = 17; /* greyscale */
- else if (image->color_space == 3)
- jp2->enumcs = 18; /* YUV */
- } else {
- jp2->enumcs = 0; /* PROFILE (??) */
- }
+ jp2->meth = 1;
+ if (image->color_space == 1)
+ jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2.1 */
+ else if (image->color_space == 2)
+ jp2->enumcs = 17; /* greyscale */
+ else if (image->color_space == 3)
+ jp2->enumcs = 18; /* YUV */
jp2->precedence = 0; /* PRECEDENCE */
jp2->approx = 0; /* APPROX */
-
+
+ jp2->jpip_on = parameters->jpip_on;
}
-bool jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
+opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
+
+ int pos_iptr, pos_cidx, pos_jp2c, len_jp2c, len_cidx, end_pos, pos_fidx, len_fidx;
+ pos_jp2c = pos_iptr = -1; /* remove a warning */
/* JP2 encoding */
/* JP2 Header box */
jp2_write_jp2h(jp2, cio);
+ if( jp2->jpip_on){
+ pos_iptr = cio_tell( cio);
+ cio_skip( cio, 24); /* IPTR further ! */
+
+ pos_jp2c = cio_tell( cio);
+ }
+
/* J2K encoding */
+ if(!(len_jp2c = jp2_write_jp2c( jp2, cio, image, cstr_info))){
+ opj_event_msg(jp2->cinfo, EVT_ERROR, "Failed to encode image\n");
+ return OPJ_FALSE;
+ }
- if(!jp2_write_jp2c(jp2, cio, image, cstr_info)) {
- opj_event_msg(jp2->cinfo, EVT_ERROR, "Failed to encode image\n");
- return false;
+ if( jp2->jpip_on){
+ pos_cidx = cio_tell( cio);
+
+ len_cidx = write_cidx( pos_jp2c+8, cio, image, *cstr_info, len_jp2c-8);
+
+ pos_fidx = cio_tell( cio);
+ len_fidx = write_fidx( pos_jp2c, len_jp2c, pos_cidx, len_cidx, cio);
+
+ end_pos = cio_tell( cio);
+
+ cio_seek( cio, pos_iptr);
+ write_iptr( pos_fidx, len_fidx, cio);
+
+ cio_seek( cio, end_pos);
}
- return true;
+ return OPJ_TRUE;
}
-
-
projects / openjpeg.git / blobdiff