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openjpeg/OPJViewer/source/imagjpeg2000.cpp

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/*
* Copyright (c) 2007, Digital Signal Processing Laboratory, Università degli studi di Perugia (UPG), Italy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/////////////////////////////////////////////////////////////////////////////
// Name: imagjpeg2000.cpp
// Purpose: wxImage JPEG 2000 family file format handler
// Author: Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik
// RCS-ID: $Id: imagjpeg2000.cpp,v 0.00 2008/01/31 10:58:00 MW Exp $
// Copyright: (c) Giuseppe Baruffa
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_IMAGE && wxUSE_LIBOPENJPEG
#include "imagjpeg2000.h"
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/app.h"
#include "wx/intl.h"
#include "wx/bitmap.h"
#include "wx/module.h"
#endif
#include "libopenjpeg/openjpeg.h"
#include "wx/filefn.h"
#include "wx/wfstream.h"
// ----------------------------------------------------------------------------
// types
// ----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// wxJPEG2000Handler
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxJPEG2000Handler,wxImageHandler)
#if wxUSE_STREAMS
//------------- JPEG 2000 Data Source Manager
#define J2K_CFMT 0
#define JP2_CFMT 1
#define JPT_CFMT 2
#define MJ2_CFMT 3
#define PXM_DFMT 0
#define PGX_DFMT 1
#define BMP_DFMT 2
#define YUV_DFMT 3
#define MAX_MESSAGE_LEN 200
/* check file type */
int
jpeg2000familytype(unsigned char *hdr, int hdr_len)
{
// check length
if (hdr_len < 24)
return -1;
// check format
if (hdr[0] == 0x00 &&
hdr[1] == 0x00 &&
hdr[2] == 0x00 &&
hdr[3] == 0x0C &&
hdr[4] == 0x6A &&
hdr[5] == 0x50 &&
hdr[6] == 0x20 &&
hdr[7] == 0x20 &&
hdr[20] == 0x6A &&
hdr[21] == 0x70 &&
hdr[22] == 0x32)
// JP2 file format
return JP2_CFMT;
else if (hdr[0] == 0x00 &&
hdr[1] == 0x00 &&
hdr[2] == 0x00 &&
hdr[3] == 0x0C &&
hdr[4] == 0x6A &&
hdr[5] == 0x50 &&
hdr[6] == 0x20 &&
hdr[7] == 0x20 &&
hdr[20] == 0x6D &&
hdr[21] == 0x6A &&
hdr[22] == 0x70 &&
hdr[23] == 0x32)
// MJ2 file format
return MJ2_CFMT;
else if (hdr[0] == 0xFF &&
hdr[1] == 0x4F)
// J2K file format
return J2K_CFMT;
else
// unknown format
return -1;
}
/* we have to use this to avoid GUI-noGUI threads crashing */
void printevent(const char *msg)
{
#ifndef __WXGTK__
wxMutexGuiEnter();
#endif /* __WXGTK__ */
wxLogMessage(wxT("%s"), msg);
#ifndef __WXGTK__
wxMutexGuiLeave();
#endif /* __WXGTK__ */
}
/* sample error callback expecting a FILE* client object */
void jpeg2000_error_callback(const char *msg, void *client_data) {
char mess[MAX_MESSAGE_LEN + 20];
int message_len = strlen(msg);
if (message_len > MAX_MESSAGE_LEN)
message_len = MAX_MESSAGE_LEN;
if (msg[message_len - 1] == '\n')
message_len--;
sprintf(mess, "[ERROR] %.*s", message_len, msg);
printevent(mess);
}
/* sample warning callback expecting a FILE* client object */
void jpeg2000_warning_callback(const char *msg, void *client_data) {
char mess[MAX_MESSAGE_LEN + 20];
int message_len = strlen(msg);
if (message_len > MAX_MESSAGE_LEN)
message_len = MAX_MESSAGE_LEN;
if (msg[message_len - 1] == '\n')
message_len--;
sprintf(mess, "[WARNING] %.*s", message_len, msg);
printevent(mess);
}
/* sample debug callback expecting no client object */
void jpeg2000_info_callback(const char *msg, void *client_data) {
char mess[MAX_MESSAGE_LEN + 20];
int message_len = strlen(msg);
if (message_len > MAX_MESSAGE_LEN)
message_len = MAX_MESSAGE_LEN;
if (msg[message_len - 1] == '\n')
message_len--;
sprintf(mess, "[INFO] %.*s", message_len, msg);
printevent(mess);
}
/* macro functions */
/* From little endian to big endian, 2 and 4 bytes */
#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
#ifdef __WXGTK__
#define BYTE_SWAP8(X) ((X & 0x00000000000000FFULL) << 56) | ((X & 0x000000000000FF00ULL) << 40) | \
((X & 0x0000000000FF0000ULL) << 24) | ((X & 0x00000000FF000000ULL) << 8) | \
((X & 0x000000FF00000000ULL) >> 8) | ((X & 0x0000FF0000000000ULL) >> 24) | \
((X & 0x00FF000000000000ULL) >> 40) | ((X & 0xFF00000000000000ULL) >> 56)
#else
#define BYTE_SWAP8(X) ((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \
((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \
((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \
((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56)
#endif
/* From codestream to int values */
#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
((unsigned long int) (C)[(P) + 1] << 16) + \
((unsigned long int) (C)[(P) + 2] << 8) + \
((unsigned long int) (C)[(P) + 3] << 0))
#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
((unsigned long int) (C)[(P) + 1] << 0))
/* defines */
#define SHORT_DESCR_LEN 32
#define LONG_DESCR_LEN 256
/* enumeration for file formats */
#define JPEG2000FILENUM 4
typedef enum {
JP2_FILE,
J2K_FILE,
MJ2_FILE,
UNK_FILE
} jpeg2000filetype;
/* enumeration for the box types */
#define JPEG2000BOXNUM 23
typedef enum {
FILE_BOX,
JP_BOX,
FTYP_BOX,
JP2H_BOX,
IHDR_BOX,
COLR_BOX,
JP2C_BOX,
JP2I_BOX,
XML_BOX,
UUID_BOX,
UINF_BOX,
MOOV_BOX,
MVHD_BOX,
TRAK_BOX,
TKHD_BOX,
MDIA_BOX,
MINF_BOX,
STBL_BOX,
STSD_BOX,
MJP2_BOX,
MDAT_BOX,
ANY_BOX,
UNK_BOX
} jpeg2000boxtype;
/* jpeg2000 family box signatures */
#define FILE_SIGN ""
#define JP_SIGN "jP\040\040"
#define FTYP_SIGN "ftyp"
#define JP2H_SIGN "jp2h"
#define IHDR_SIGN "ihdr"
#define COLR_SIGN "colr"
#define JP2C_SIGN "jp2c"
#define JP2I_SIGN "jp2i"
#define XML_SIGN "xml\040"
#define UUID_SIGN "uuid"
#define UINF_SIGN "uinf"
#define MOOV_SIGN "moov"
#define MVHD_SIGN "mvhd"
#define TRAK_SIGN "trak"
#define TKHD_SIGN "tkhd"
#define MDIA_SIGN "mdia"
#define MINF_SIGN "minf"
#define VMHD_SIGN "vmhd"
#define STBL_SIGN "stbl"
#define STSD_SIGN "stsd"
#define MJP2_SIGN "mjp2"
#define MDAT_SIGN "mdat"
#define ANY_SIGN ""
#define UNK_SIGN ""
/* the box structure itself */
struct jpeg2000boxdef {
char value[5]; /* hexadecimal value/string*/
char name[SHORT_DESCR_LEN]; /* short description */
char descr[LONG_DESCR_LEN]; /* long description */
int sbox; /* is it a superbox? */
int req[JPEG2000FILENUM]; /* mandatory box */
jpeg2000boxtype ins; /* contained in box... */
};
/* the possible boxes */
struct jpeg2000boxdef jpeg2000box[] =
{
/* sign */ {FILE_SIGN,
/* short */ "placeholder for nothing",
/* long */ "Nothing to say",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP_SIGN,
/* short */ "JPEG 2000 Signature box",
/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {FTYP_SIGN,
/* short */ "File Type box",
/* long */ "This box specifies file type, version and compatibility information, including specifying if this file "
"is a conforming JP2 file or if it can be read by a conforming JP2 reader",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2H_SIGN,
/* short */ "JP2 Header box",
/* long */ "This box contains a series of boxes that contain header-type information about the file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {IHDR_SIGN,
/* short */ "Image Header box",
/* long */ "This box specifies the size of the image and other related fields",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {COLR_SIGN,
/* short */ "Colour Specification box",
/* long */ "This box specifies the colourspace of the image",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ JP2H_BOX},
/* sign */ {JP2C_SIGN,
/* short */ "Contiguous Codestream box",
/* long */ "This box contains the codestream as defined by Annex A",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {JP2I_SIGN,
/* short */ "Intellectual Property box",
/* long */ "This box contains intellectual property information about the image",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {XML_SIGN,
/* short */ "XML box",
/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UUID_SIGN,
/* short */ "UUID box",
/* long */ "This box provides a tool by which vendors can add additional information to a file "
"without risking conflict with other vendors",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UINF_SIGN,
/* short */ "UUID Info box",
/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {MOOV_SIGN,
/* short */ "Movie box",
/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {MVHD_SIGN,
/* short */ "Movie Header box",
/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation "
"considered as a whole",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TRAK_SIGN,
/* short */ "Track box",
/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MOOV_BOX},
/* sign */ {TKHD_SIGN,
/* short */ "Track Header box",
/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MDIA_SIGN,
/* short */ "Media box",
/* long */ "The media declaration container contains all the objects which declare information about the media data "
"within a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ TRAK_BOX},
/* sign */ {MINF_SIGN,
/* short */ "Media Information box",
/* long */ "This box contains all the objects which declare characteristic information of the media in the track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MDIA_BOX},
/* sign */ {STBL_SIGN,
/* short */ "Sample Table box",
/* long */ "The sample table contains all the time and data indexing of the media samples in a track",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {STSD_SIGN,
/* short */ "Sample Description box",
/* long */ "The sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MJP2_SIGN,
/* short */ "MJP2 Sample Description box",
/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization "
"information needed for that coding",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_BOX},
/* sign */ {MDAT_SIGN,
/* short */ "Media Data box",
/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file",
/* sbox */ 1,
/* req */ {1, 1, 1},
/* ins */ FILE_BOX},
/* sign */ {ANY_SIGN,
/* short */ "Any box",
/* long */ "All the existing boxes",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ FILE_BOX},
/* sign */ {UNK_SIGN,
/* short */ "Unknown Type box",
/* long */ "The signature is not recognised to be that of an existing box",
/* sbox */ 0,
/* req */ {0, 0, 0},
/* ins */ ANY_BOX}
};
/* declaration */
int
jpeg2000_box_handler_function(jpeg2000boxtype boxtype, wxInputStream& stream, unsigned long int filepoint,
unsigned long int filelimit, int level, char *scansign,
unsigned long int *scanpoint);
#ifdef __WXMSW__
typedef unsigned __int64 int8byte;
#endif // __WXMSW__
#ifdef __WXGTK__
typedef unsigned long long int8byte;
#endif // __WXGTK__
/* internal mini-search for a box signature */
int
jpeg2000_file_parse(wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level,
char *scansign, unsigned long int *scanpoint)
{
unsigned long int LBox = 0x00000000;
char TBox[5] = "\0\0\0\0";
int8byte XLBox = 0x0000000000000000;
unsigned long int box_length = 0;
int last_box = 0, box_num = 0;
int box_type = ANY_BOX;
unsigned char fourbytes[4];
int box_number = 0;
/* cycle all over the file */
box_num = 0;
last_box = 0;
while (!last_box) {
/* do not exceed file limit */
if (filepoint >= filelimit)
return (0);
/* seek on file */
if (stream.SeekI(filepoint, wxFromStart) == wxInvalidOffset)
return (-1);
/* read the mandatory LBox, 4 bytes */
if (!stream.Read(fourbytes, 4)) {
wxLogError(wxT("Problem reading LBox from the file (file ended?)"));
return -1;
};
LBox = STREAM_TO_UINT32(fourbytes, 0);
/* read the mandatory TBox, 4 bytes */
if (!stream.Read(TBox, 4)) {
wxLogError(wxT("Problem reading TBox from the file (file ended?)"));
return -1;
};
/* look if scansign is got */
if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) {
/* hack/exploit */
// stop as soon as you find the level-th codebox
if (box_number == level) {
memcpy(scansign, " ", 4);
*scanpoint = filepoint;
return (0);
} else
box_number++;
};
/* determine the box type */
for (box_type = JP_BOX; box_type < UNK_BOX; box_type++)
if (memcmp(TBox, jpeg2000box[box_type].value, 4) == 0)
break;
/* read the optional XLBox, 8 bytes */
if (LBox == 1) {
if (!stream.Read(&XLBox, 8)) {
wxLogError(wxT("Problem reading XLBox from the file (file ended?)"));
return -1;
};
box_length = (unsigned long int) BYTE_SWAP8(XLBox);
} else if (LBox == 0x00000000) {
/* last box in file */
last_box = 1;
box_length = filelimit - filepoint;
} else
box_length = LBox;
/* go deep in the box */
jpeg2000_box_handler_function((jpeg2000boxtype) box_type,
stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8),
filepoint + box_length, level, scansign, scanpoint);
/* if it's a superbox go inside it */
if (jpeg2000box[box_type].sbox)
jpeg2000_file_parse(stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
level, scansign, scanpoint);
/* increment box number and filepoint*/
box_num++;
filepoint += box_length;
};
/* all good */
return (0);
}
// search first contiguos codestream box in an mj2 file
unsigned long int
searchjpeg2000c(wxInputStream& stream, unsigned long int fsize, int number)
{
char scansign[] = "jp2c";
unsigned long int scanpoint = 0L;
wxLogMessage(wxT("Searching jp2c box... "));
/* do the parsing */
if (jpeg2000_file_parse(stream, 0, fsize, number, scansign, &scanpoint) < 0)
wxLogMessage(wxT("Unrecoverable error during JPEG 2000 box parsing: stopping"));
if (strcmp(scansign, " "))
wxLogMessage(wxT("Box not found"));
else {
wxLogMessage(wxString::Format(wxT("Box found at byte %d"), scanpoint));
};
return (scanpoint);
}
// search the jp2h box in the file
unsigned long int
searchjpeg2000headerbox(wxInputStream& stream, unsigned long int fsize)
{
char scansign[] = "jp2h";
unsigned long int scanpoint = 0L;
wxLogMessage(wxT("Searching jp2h box... "));
/* do the parsing */
if (jpeg2000_file_parse(stream, 0, fsize, 0, scansign, &scanpoint) < 0)
wxLogMessage(wxT("Unrecoverable error during JPEG 2000 box parsing: stopping"));
if (strcmp(scansign, " "))
wxLogMessage(wxT("Box not found"));
else
wxLogMessage(wxString::Format(wxT("Box found at byte %d"), scanpoint));
return (scanpoint);
}
/* handling functions */
#define ITEM_PER_ROW 10
/* Box handler function */
int
jpeg2000_box_handler_function(jpeg2000boxtype boxtype, wxInputStream& stream, unsigned long int filepoint,
unsigned long int filelimit, int level,
char *scansign, unsigned long int *scanpoint)
{
switch (boxtype) {
/* Sample Description box */
case (STSD_BOX):
jpeg2000_file_parse(stream, filepoint + 8, filelimit, level, scansign, scanpoint);
break;
/* MJP2 Sample Description box */
case (MJP2_BOX):
jpeg2000_file_parse(stream, filepoint + 78, filelimit, level, scansign, scanpoint);
break;
/* not yet implemented */
default:
break;
};
return (0);
}
// the jP and ftyp parts of the header
#define jpeg2000headSIZE 32
unsigned char jpeg2000head[jpeg2000headSIZE] = {
0x00, 0x00, 0x00, 0x0C, 'j', 'P', ' ', ' ',
0x0D, 0x0A, 0x87, 0x0A, 0x00, 0x00, 0x00, 0x14,
'f', 't', 'y', 'p', 'j', 'p', '2', ' ',
0x00, 0x00, 0x00, 0x00, 'j', 'p', '2', ' '
};
/////////////////////////////////////////////////
/////////////////////////////////////////////////
// load the jpeg2000 file format
bool wxJPEG2000Handler::LoadFile(wxImage *image, wxInputStream& stream, bool verbose, int index)
{
opj_dparameters_t parameters; /* decompression parameters */
opj_event_mgr_t event_mgr; /* event manager */
opj_image_t *opjimage = NULL;
unsigned char *src = NULL;
unsigned char *ptr;
int file_length, jp2c_point, jp2h_point;
unsigned long int jp2hboxlen, jp2cboxlen;
opj_codestream_info_t cstr_info; /* Codestream information structure */
unsigned char hdr[24];
int jpfamform;
// destroy the image
image->Destroy();
/* read the beginning of the file to check the type */
if (!stream.Read(hdr, WXSIZEOF(hdr)))
return false;
if ((jpfamform = jpeg2000familytype(hdr, WXSIZEOF(hdr))) < 0)
return false;
stream.SeekI(0, wxFromStart);
/* handle to a decompressor */
opj_dinfo_t* dinfo = NULL;
opj_cio_t *cio = NULL;
/* configure the event callbacks */
memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
event_mgr.error_handler = jpeg2000_error_callback;
event_mgr.warning_handler = jpeg2000_warning_callback;
event_mgr.info_handler = jpeg2000_info_callback;
/* set decoding parameters to default values */
opj_set_default_decoder_parameters(&parameters);
/* prepare parameters */
strncpy(parameters.infile, "", sizeof(parameters.infile) - 1);
strncpy(parameters.outfile, "", sizeof(parameters.outfile) - 1);
parameters.decod_format = jpfamform;
parameters.cod_format = BMP_DFMT;
if (m_reducefactor)
parameters.cp_reduce = m_reducefactor;
if (m_qualitylayers)
parameters.cp_layer = m_qualitylayers;
/*if (n_components)
parameters. = n_components;*/
/* JPWL only */
#ifdef USE_JPWL
parameters.jpwl_exp_comps = m_expcomps;
parameters.jpwl_max_tiles = m_maxtiles;
parameters.jpwl_correct = m_enablejpwl;
#endif /* USE_JPWL */
/* get a decoder handle */
if (jpfamform == JP2_CFMT || jpfamform == MJ2_CFMT)
dinfo = opj_create_decompress(CODEC_JP2);
else if (jpfamform == J2K_CFMT)
dinfo = opj_create_decompress(CODEC_J2K);
else
return false;
/* find length of the stream */
stream.SeekI(0, wxFromEnd);
file_length = (int) stream.TellI();
/* it's a movie */
if (jpfamform == MJ2_CFMT) {
/* search for the first codestream box and the movie header box */
jp2c_point = searchjpeg2000c(stream, file_length, m_framenum);
jp2h_point = searchjpeg2000headerbox(stream, file_length);
// read the jp2h box and store it
stream.SeekI(jp2h_point, wxFromStart);
stream.Read(&jp2hboxlen, sizeof(unsigned long int));
jp2hboxlen = BYTE_SWAP4(jp2hboxlen);
// read the jp2c box and store it
stream.SeekI(jp2c_point, wxFromStart);
stream.Read(&jp2cboxlen, sizeof(unsigned long int));
jp2cboxlen = BYTE_SWAP4(jp2cboxlen);
// malloc memory source
src = (unsigned char *) malloc(jpeg2000headSIZE + jp2hboxlen + jp2cboxlen);
// copy the jP and ftyp
memcpy(src, jpeg2000head, jpeg2000headSIZE);
// copy the jp2h
stream.SeekI(jp2h_point, wxFromStart);
stream.Read(&src[jpeg2000headSIZE], jp2hboxlen);
// copy the jp2c
stream.SeekI(jp2c_point, wxFromStart);
stream.Read(&src[jpeg2000headSIZE + jp2hboxlen], jp2cboxlen);
} else if (jpfamform == JP2_CFMT || jpfamform == J2K_CFMT) {
/* It's a plain image */
/* get data */
stream.SeekI(0, wxFromStart);
src = (unsigned char *) malloc(file_length);
stream.Read(src, file_length);
} else
return false;
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
/* setup the decoder decoding parameters using user parameters */
opj_setup_decoder(dinfo, &parameters);
/* open a byte stream */
if (jpfamform == MJ2_CFMT)
cio = opj_cio_open((opj_common_ptr)dinfo, src, jpeg2000headSIZE + jp2hboxlen + jp2cboxlen);
else if (jpfamform == JP2_CFMT || jpfamform == J2K_CFMT)
cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
else {
free(src);
return false;
}
/* decode the stream and fill the image structure */
opjimage = opj_decode_with_info(dinfo, cio, &cstr_info);
if (!opjimage) {
wxMutexGuiEnter();
wxLogError(wxT("JPEG 2000 failed to decode image!"));
wxMutexGuiLeave();
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
free(src);
return false;
}
/* close the byte stream */
opj_cio_close(cio);
/*
- At this point, we have the structure "opjimage" that is filled with decompressed
data, as processed by the OpenJPEG decompression engine
- We need to fill the class "image" with the proper pixel sample values
*/
{
int shiftbpp;
int c, tempcomps;
// check components number
if (m_components > opjimage->numcomps)
m_components = opjimage->numcomps;
// check image depth (only on the first one, for now)
if (m_components)
shiftbpp = opjimage->comps[m_components - 1].prec - 8;
else
shiftbpp = opjimage->comps[0].prec - 8;
// prepare image size
if (m_components)
image->Create(opjimage->comps[m_components - 1].w, opjimage->comps[m_components - 1].h, true);
else
image->Create(opjimage->comps[0].w, opjimage->comps[0].h, true);
// access image raw data
image->SetMask(false);
ptr = image->GetData();
// workaround for components different from 1 or 3
if ((opjimage->numcomps != 1) && (opjimage->numcomps != 3)) {
#ifndef __WXGTK__
wxMutexGuiEnter();
#endif /* __WXGTK__ */
wxLogMessage(wxT("JPEG2000: weird number of components"));
#ifndef __WXGTK__
wxMutexGuiLeave();
#endif /* __WXGTK__ */
tempcomps = 1;
} else
tempcomps = opjimage->numcomps;
// workaround for subsampled components
for (c = 1; c < tempcomps; c++) {
if ((opjimage->comps[c].w != opjimage->comps[c - 1].w) || (opjimage->comps[c].h != opjimage->comps[c - 1].h)) {
tempcomps = 1;
break;
}
}
// workaround for different precision components
for (c = 1; c < tempcomps; c++) {
if (opjimage->comps[c].bpp != opjimage->comps[c - 1].bpp) {
tempcomps = 1;
break;
}
}
// only one component selected
if (m_components)
tempcomps = 1;
// RGB color picture
if (tempcomps == 3) {
int row, col;
int *r = opjimage->comps[0].data;
int *g = opjimage->comps[1].data;
int *b = opjimage->comps[2].data;
if (shiftbpp > 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(r++)) >> shiftbpp;
*(ptr++) = (*(g++)) >> shiftbpp;
*(ptr++) = (*(b++)) >> shiftbpp;
}
}
} else if (shiftbpp < 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(r++)) << -shiftbpp;
*(ptr++) = (*(g++)) << -shiftbpp;
*(ptr++) = (*(b++)) << -shiftbpp;
}
}
} else {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(r++);
*(ptr++) = *(g++);
*(ptr++) = *(b++);
}
}
}
}
// B/W picture
if (tempcomps == 1) {
int row, col;
int selcomp;
if (m_components)
selcomp = m_components - 1;
else
selcomp = 0;
int *y = opjimage->comps[selcomp].data;
if (shiftbpp > 0) {
for (row = 0; row < opjimage->comps[selcomp].h; row++) {
for (col = 0; col < opjimage->comps[selcomp].w; col++) {
*(ptr++) = (*(y)) >> shiftbpp;
*(ptr++) = (*(y)) >> shiftbpp;
*(ptr++) = (*(y++)) >> shiftbpp;
}
}
} else if (shiftbpp < 0) {
for (row = 0; row < opjimage->comps[selcomp].h; row++) {
for (col = 0; col < opjimage->comps[selcomp].w; col++) {
*(ptr++) = (*(y)) << -shiftbpp;
*(ptr++) = (*(y)) << -shiftbpp;
*(ptr++) = (*(y++)) << -shiftbpp;
}
}
} else {
for (row = 0; row < opjimage->comps[selcomp].h; row++) {
for (col = 0; col < opjimage->comps[selcomp].w; col++) {
*(ptr++) = *(y);
*(ptr++) = *(y);
*(ptr++) = *(y++);
}
}
}
}
}
wxMutexGuiEnter();
wxLogMessage(wxT("JPEG 2000 image loaded."));
wxMutexGuiLeave();
/* close openjpeg structs */
opj_destroy_decompress(dinfo);
opj_image_destroy(opjimage);
free(src);
if (!image->Ok())
return false;
else
return true;
}
#define CINEMA_24_CS 1302083 /* Codestream length for 24fps */
#define CINEMA_48_CS 651041 /* Codestream length for 48fps */
#define COMP_24_CS 1041666 /* Maximum size per color component for 2K & 4K @ 24fps */
#define COMP_48_CS 520833 /* Maximum size per color component for 2K @ 48fps */
// save the j2k codestream
bool wxJPEG2000Handler::SaveFile( wxImage *wimage, wxOutputStream& stream, bool verbose )
{
opj_cparameters_t parameters; /* compression parameters */
opj_event_mgr_t event_mgr; /* event manager */
opj_image_t *oimage = NULL;
opj_image_cmptparm_t *cmptparm;
opj_cio_t *cio = NULL;
opj_codestream_info_t cstr_info;
int codestream_length;
bool bSuccess;
int i;
char indexfilename[OPJ_PATH_LEN] = ""; /* index file name */
/*
configure the event callbacks (not required)
setting of each callback is optionnal
*/
memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
event_mgr.error_handler = jpeg2000_error_callback;
event_mgr.warning_handler = jpeg2000_warning_callback;
event_mgr.info_handler = jpeg2000_info_callback;
/* set encoding parameters to default values */
opj_set_default_encoder_parameters(&parameters);
/* load parameters */
parameters.cp_cinema = OFF;
/* subsampling */
if (sscanf(m_subsampling.ToAscii(), "%d,%d", &(parameters.subsampling_dx), &(parameters.subsampling_dy)) != 2) {
wxLogError(wxT("Wrong sub-sampling encoder setting: dx,dy"));
return false;
}
/* compression rates */
if ((m_rates != wxT("")) && (!m_enablequality)) {
const char *s1 = m_rates.ToAscii();
wxLogMessage(wxT("rates %s"), s1);
while (sscanf(s1, "%f", &(parameters.tcp_rates[parameters.tcp_numlayers])) == 1) {
parameters.tcp_numlayers++;
while (*s1 && *s1 != ',') {
s1++;
}
if (!*s1)
break;
s1++;
}
wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers);
parameters.cp_disto_alloc = 1;
}
/* image quality, dB */
if ((m_quality != wxT("")) && (m_enablequality)) {
const char *s2 = m_quality.ToAscii();
wxLogMessage(wxT("qualities %s"), s2);
while (sscanf(s2, "%f", &parameters.tcp_distoratio[parameters.tcp_numlayers]) == 1) {
parameters.tcp_numlayers++;
while (*s2 && *s2 != ',') {
s2++;
}
if (!*s2)
break;
s2++;
}
wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers);
parameters.cp_fixed_quality = 1;
}
/* image origin */
if (sscanf(m_origin.ToAscii(), "%d,%d", &parameters.image_offset_x0, &parameters.image_offset_y0) != 2) {
wxLogError(wxT("bad coordinate of the image origin: x0,y0"));
return false;
}
/* Create comment for codestream */
if(m_enablecomm) {
parameters.cp_comment = (char *) malloc(strlen(m_comment.ToAscii()) + 1);
if(parameters.cp_comment) {
strcpy(parameters.cp_comment, m_comment.ToAscii());
}
} else {
parameters.cp_comment = NULL;
}
/* indexing file */
if (m_enableidx) {
strncpy(indexfilename, m_index.ToAscii(), OPJ_PATH_LEN);
wxLogMessage(wxT("index file is %s"), indexfilename);
}
/* if no rate entered, lossless by default */
if (parameters.tcp_numlayers == 0) {
parameters.tcp_rates[0] = 0; /* MOD antonin : losslessbug */
parameters.tcp_numlayers++;
parameters.cp_disto_alloc = 1;
}
/* irreversible transform */
parameters.irreversible = (m_irreversible == true) ? 1 : 0;
/* resolutions */
parameters.numresolution = m_resolutions;
/* codeblocks size */
if (m_cbsize != wxT("")) {
int cblockw_init = 0, cblockh_init = 0;
sscanf(m_cbsize.ToAscii(), "%d,%d", &cblockw_init, &cblockh_init);
if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024 || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
wxLogError(wxT("!! Size of code_block error !! Restrictions:\n width*height<=4096\n 4<=width,height<= 1024"));
return false;
}
parameters.cblockw_init = cblockw_init;
parameters.cblockh_init = cblockh_init;
}
/* precincts size */
if (m_prsize != wxT("")) {
char sep;
int res_spec = 0;
char *s = (char *) m_prsize.c_str();
do {
sep = 0;
sscanf(s, "[%d,%d]%c", &parameters.prcw_init[res_spec], &parameters.prch_init[res_spec], &sep);
parameters.csty |= 0x01;
res_spec++;
s = strpbrk(s, "]") + 2;
} while (sep == ',');
parameters.res_spec = res_spec;
}
/* tiles */
if (m_tsize != wxT("")) {
sscanf(m_tsize.ToAscii(), "%d,%d", &parameters.cp_tdx, &parameters.cp_tdy);
parameters.tile_size_on = true;
}
/* tile origin */
if (sscanf(m_torigin.ToAscii(), "%d,%d", &parameters.cp_tx0, &parameters.cp_ty0) != 2) {
wxLogError(wxT("tile offset setting error: X0,Y0"));
return false;
}
/* use SOP */
if (m_enablesop)
parameters.csty |= 0x02;
/* use EPH */
if (m_enableeph)
parameters.csty |= 0x04;
/* multiple component transform */
if (m_multicomp)
parameters.tcp_mct = 1;
else
parameters.tcp_mct = 0;
/* mode switch */
parameters.mode = (m_enablebypass ? 1 : 0) + (m_enablereset ? 2 : 0)
+ (m_enablerestart ? 4 : 0) + (m_enablevsc ? 8 : 0)
+ (m_enableerterm ? 16 : 0) + (m_enablesegmark ? 32 : 0);
/* progression order */
switch (m_progression) {
/* LRCP */
case 0:
parameters.prog_order = LRCP;
break;
/* RLCP */
case 1:
parameters.prog_order = RLCP;
break;
/* RPCL */
case 2:
parameters.prog_order = RPCL;
break;
/* PCRL */
case 3:
parameters.prog_order = PCRL;
break;
/* CPRL */
case 4:
parameters.prog_order = CPRL;
break;
/* DCI2K24 */
case 5:
parameters.cp_cinema = CINEMA2K_24;
parameters.cp_rsiz = CINEMA2K;
break;
/* DCI2K48 */
case 6:
parameters.cp_cinema = CINEMA2K_48;
parameters.cp_rsiz = CINEMA2K;
break;
/* DCI4K */
case 7:
parameters.cp_cinema = CINEMA4K_24;
parameters.cp_rsiz = CINEMA4K;
break;
default:
break;
}
/* check cinema */
if (parameters.cp_cinema) {
/* set up */
parameters.tile_size_on = false;
parameters.cp_tdx=1;
parameters.cp_tdy=1;
/*Tile part*/
parameters.tp_flag = 'C';
parameters.tp_on = 1;
/*Tile and Image shall be at (0,0)*/
parameters.cp_tx0 = 0;
parameters.cp_ty0 = 0;
parameters.image_offset_x0 = 0;
parameters.image_offset_y0 = 0;
/*Codeblock size= 32*32*/
parameters.cblockw_init = 32;
parameters.cblockh_init = 32;
parameters.csty |= 0x01;
/*The progression order shall be CPRL*/
parameters.prog_order = CPRL;
/* No ROI */
parameters.roi_compno = -1;
parameters.subsampling_dx = 1;
parameters.subsampling_dy = 1;
/* 9-7 transform */
parameters.irreversible = 1;
}
/* convert wx image into opj image */
cmptparm = (opj_image_cmptparm_t*) malloc(3 * sizeof(opj_image_cmptparm_t));
/* initialize opj image components */
memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
for(i = 0; i < 3; i++) {
cmptparm[i].prec = 8;
cmptparm[i].bpp = 8;
cmptparm[i].sgnd = false;
cmptparm[i].dx = parameters.subsampling_dx;
cmptparm[i].dy = parameters.subsampling_dy;
cmptparm[i].w = wimage->GetWidth();
cmptparm[i].h = wimage->GetHeight();
}
/* create the image */
oimage = opj_image_create(3, &cmptparm[0], CLRSPC_SRGB);
if(!oimage) {
if (cmptparm)
free(cmptparm);
return false;
}
/* set image offset and reference grid */
oimage->x0 = parameters.image_offset_x0;
oimage->y0 = parameters.image_offset_y0;
oimage->x1 = parameters.image_offset_x0 + (wimage->GetWidth() - 1) * 1 + 1;
oimage->y1 = parameters.image_offset_y0 + (wimage->GetHeight() - 1) * 1 + 1;
/* load image data */
unsigned char *value = wimage->GetData();
int area = wimage->GetWidth() * wimage->GetHeight();
for (i = 0; i < area; i++) {
oimage->comps[0].data[i] = *(value++);
oimage->comps[1].data[i] = *(value++);
oimage->comps[2].data[i] = *(value++);
}
/* check cinema again */
if (parameters.cp_cinema) {
int i;
float temp_rate;
opj_poc_t *POC = NULL;
switch (parameters.cp_cinema) {
case CINEMA2K_24:
case CINEMA2K_48:
if (parameters.numresolution > 6) {
parameters.numresolution = 6;
}
if (!((oimage->comps[0].w == 2048) | (oimage->comps[0].h == 1080))) {
wxLogWarning(wxT("Image coordinates %d x %d is not 2K compliant. JPEG Digital Cinema Profile-3 "
"(2K profile) compliance requires that at least one of coordinates match 2048 x 1080"),
oimage->comps[0].w, oimage->comps[0].h);
parameters.cp_rsiz = STD_RSIZ;
}
break;
case CINEMA4K_24:
if (parameters.numresolution < 1) {
parameters.numresolution = 1;
} else if (parameters.numresolution > 7) {
parameters.numresolution = 7;
}
if (!((oimage->comps[0].w == 4096) | (oimage->comps[0].h == 2160))) {
wxLogWarning(wxT("Image coordinates %d x %d is not 4K compliant. JPEG Digital Cinema Profile-4"
"(4K profile) compliance requires that at least one of coordinates match 4096 x 2160"),
oimage->comps[0].w, oimage->comps[0].h);
parameters.cp_rsiz = STD_RSIZ;
}
parameters.POC[0].tile = 1;
parameters.POC[0].resno0 = 0;
parameters.POC[0].compno0 = 0;
parameters.POC[0].layno1 = 1;
parameters.POC[0].resno1 = parameters.numresolution - 1;
parameters.POC[0].compno1 = 3;
parameters.POC[0].prg1 = CPRL;
parameters.POC[1].tile = 1;
parameters.POC[1].resno0 = parameters.numresolution - 1;
parameters.POC[1].compno0 = 0;
parameters.POC[1].layno1 = 1;
parameters.POC[1].resno1 = parameters.numresolution;
parameters.POC[1].compno1 = 3;
parameters.POC[1].prg1 = CPRL;
parameters.numpocs = 2;
break;
}
switch (parameters.cp_cinema) {
case CINEMA2K_24:
case CINEMA4K_24:
for (i = 0 ; i < parameters.tcp_numlayers; i++) {
temp_rate = 0;
if (parameters.tcp_rates[i] == 0) {
parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
}else{
temp_rate = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
if (temp_rate > CINEMA_24_CS ) {
parameters.tcp_rates[i]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
} else {
/* do nothing */
}
}
}
parameters.max_comp_size = COMP_24_CS;
break;
case CINEMA2K_48:
for (i = 0; i < parameters.tcp_numlayers; i++) {
temp_rate = 0 ;
if (parameters.tcp_rates[i] == 0) {
parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
}else{
temp_rate =((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
if (temp_rate > CINEMA_48_CS ){
parameters.tcp_rates[0]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) /
(CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy);
}else{
/* do nothing */
}
}
}
parameters.max_comp_size = COMP_48_CS;
break;
}
parameters.cp_disto_alloc = 1;
}
/* get a J2K compressor handle */
opj_cinfo_t* cinfo = opj_create_compress(CODEC_J2K);
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
/* setup the encoder parameters using the current image and user parameters */
opj_setup_encoder(cinfo, &parameters, oimage);
/* open a byte stream for writing */
/* allocate memory for all tiles */
cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);
/* encode the image */
bSuccess = opj_encode_with_info(cinfo, cio, oimage, &cstr_info);
if (!bSuccess) {
opj_cio_close(cio);
opj_destroy_compress(cinfo);
opj_image_destroy(oimage);
if (cmptparm)
free(cmptparm);
if(parameters.cp_comment)
free(parameters.cp_comment);
if(parameters.cp_matrice)
free(parameters.cp_matrice);
#ifndef __WXGTK__
wxMutexGuiEnter();
#endif /* __WXGTK__ */
wxLogError(wxT("failed to encode image"));
#ifndef __WXGTK__
wxMutexGuiLeave();
#endif /* __WXGTK__ */
return false;
}
codestream_length = cio_tell(cio);
wxLogMessage(wxT("Codestream: %d bytes"), codestream_length);
/* write the buffer to stream */
stream.Write(cio->buffer, codestream_length);
/* close and free the byte stream */
opj_cio_close(cio);
/* Write the index to disk */
if (*indexfilename) {
if (write_index_file(&cstr_info, indexfilename)) {
wxLogError(wxT("Failed to output index file"));
}
}
/* free remaining compression structures */
opj_destroy_compress(cinfo);
/* free image data */
opj_image_destroy(oimage);
if (cmptparm)
free(cmptparm);
if(parameters.cp_comment)
free(parameters.cp_comment);
if(parameters.cp_matrice)
free(parameters.cp_matrice);
#ifndef __WXGTK__
wxMutexGuiEnter();
#endif /* __WXGTK__ */
wxLogMessage(wxT("J2K: Image encoded!"));
#ifndef __WXGTK__
wxMutexGuiLeave();
#endif /* __WXGTK__ */
return true;
}
#ifdef __VISUALC__
#pragma warning(default:4611)
#endif /* VC++ */
// recognize the JPEG 2000 family starting box or the 0xFF4F JPEG 2000 SOC marker
bool wxJPEG2000Handler::DoCanRead(wxInputStream& stream)
{
unsigned char hdr[24];
int jpfamform;
if ( !stream.Read(hdr, WXSIZEOF(hdr)) )
return false;
jpfamform = jpeg2000familytype(hdr, WXSIZEOF(hdr));
return ((jpfamform == JP2_CFMT) || (jpfamform == MJ2_CFMT) || (jpfamform == J2K_CFMT));
}
#endif // wxUSE_STREAMS
#endif // wxUSE_LIBOPENJPEG
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