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openjpeg/OPJViewer/source/wxjp2parser.cpp
Giuseppe Baruffa 9cf692e897 Added a basic saving capability to OPJViewer
2007-08-02 12:45:28 +00:00

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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.
*/
#include "OPJViewer.h"
/* defines */
#define SHORT_DESCR_LEN 32
#define LONG_DESCR_LEN 256
/* enumeration for file formats */
#define J2FILENUM 4
typedef enum {
JP2_FILE,
J2K_FILE,
MJ2_FILE,
UNK_FILE
} j2filetype;
/* enumeration for the box types */
#define j22boxNUM 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,
MDHD_BOX,
HDLR_BOX,
MINF_BOX,
VMHD_BOX,
STBL_BOX,
STSD_BOX,
STSZ_BOX,
MJP2_BOX,
MDAT_BOX,
ANY_BOX,
UNK_BOX
} j22boxtype;
/* the box structure itself */
struct boxdef {
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[J2FILENUM]; /* mandatory box */
j22boxtype ins; /* contained in box... */
};
/* jp2 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 MDHD_SIGN "mdhd"
#define HDLR_SIGN "hdlr"
#define MINF_SIGN "minf"
#define VMHD_SIGN "vmhd"
#define STBL_SIGN "stbl"
#define STSD_SIGN "stsd"
#define STSZ_SIGN "stsz"
#define MJP2_SIGN "mjp2"
#define MDAT_SIGN "mdat"
#define ANY_SIGN ""
#define UNK_SIGN ""
/* the possible boxes */
struct boxdef j22box[] =
{
/* 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 */ {MDHD_SIGN,
/* short */ "Media Header box",
/* long */ "The media header declares overall information which is media-independent, and relevant to characteristics "
"of the media in a track",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MDIA_BOX},
/* sign */ {HDLR_SIGN,
/* short */ "Handler Reference box",
/* long */ "This box within a Media Box declares the process by which the media-data in the track may be presented, "
"and thus, the nature of the media in a track",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MDIA_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 */ {VMHD_SIGN,
/* short */ "Video Media Header box",
/* long */ "The video media header contains general presentation information, independent of the coding, for video media",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ MINF_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 */ "STSD 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 */ {STSZ_SIGN,
/* short */ "Sample Size box",
/* long */ "This box contains the sample count and a table giving the size of each sample",
/* sbox */ 0,
/* req */ {1, 1, 1},
/* ins */ STBL_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}
};
/* 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))
#define OPJREAD_LONG(F,L,N) { \
if (F->Read(fourbytes, 4) < 4) { \
wxLogMessage(wxT("Problem reading " N " from the file (file ended?)")); \
return -1; \
}; \
L = STREAM_TO_UINT32(fourbytes, 0); \
}
/* handling functions */
#define ITEM_PER_ROW 10
//#define indprint if (0) printf("%.*s", 2 * level + 9, indent), printf
char indent[] = " "
" "
" "
" ";
void indprint(wxString printout, int level)
{
wxLogMessage(/*wxString::Format(wxT("%.*s"), 2 * level + 9, indent) + */printout);
}
/* Box handler function */
int OPJParseThread::box_handler_function(int boxtype, wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
{
switch ((j22boxtype) boxtype) {
/* JPEG 2000 Signature box */
case (JP_BOX): {
unsigned long int checkdata = 0;
fileid->Read(&checkdata, sizeof(unsigned long int));
checkdata = BYTE_SWAP4(checkdata);
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Check data: %X -> %s"), checkdata, (checkdata == 0x0D0A870A) ? wxT("OK") : wxT("KO")),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* JPEG 2000 codestream box */
case (JP2C_BOX): {
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString(wxT("Codestream")),
m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
new OPJMarkerData(wxT("INFO-CSTREAM"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
m_tree->SetItemHasChildren(currid);
// parse the file
//ParseJ2KFile(fileid, filepoint, filelimit, currid);
};
break;
/* File Type box */
case (FTYP_BOX): {
char BR[4], CL[4];
unsigned long int MinV, numCL, i;
fileid->Read(BR, sizeof(char) * 4);
fileid->Read(&MinV, sizeof(unsigned long int));
MinV = BYTE_SWAP4(MinV);
numCL = (filelimit - fileid->Tell()) / 4;
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxT("Brand/Minor version: ") +
wxString::FromAscii(BR).Truncate(4) +
wxString::Format(wxT("/%d"), MinV),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compatibility list")),
m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
new OPJMarkerData(wxT("INFO"))
);
for (i = 0; i < numCL; i++) {
fileid->Read(CL, sizeof(char) * 4);
m_tree->AppendItem(currid,
wxString::FromAscii(CL).Truncate(4),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
};
break;
/* JP2 Header box */
case (IHDR_BOX): {
unsigned long int height, width;
unsigned short int nc;
unsigned char bpc, C, UnkC, IPR;
fileid->Read(&height, sizeof(unsigned long int));
height = BYTE_SWAP4(height);
fileid->Read(&width, sizeof(unsigned long int));
width = BYTE_SWAP4(width);
fileid->Read(&nc, sizeof(unsigned short int));
nc = BYTE_SWAP2(nc);
fileid->Read(&bpc, sizeof(unsigned char));
fileid->Read(&C, sizeof(unsigned char));
fileid->Read(&UnkC, sizeof(unsigned char));
fileid->Read(&IPR, sizeof(unsigned char));
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Dimensions: %d x %d x %d @ %d bpc"), width, height, nc, bpc + 1),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compression type: %d"), C),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Colourspace unknown: %d"), UnkC),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Intellectual Property Rights: %d"), IPR),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Colour Specification box */
case (COLR_BOX): {
unsigned char METH, PREC, APPROX;
char methdescr[80], enumcsdescr[80];
unsigned long int EnumCS;
fileid->Read(&METH, sizeof(unsigned char));
switch (METH) {
case 1:
strcpy(methdescr, "Enumerated Colourspace");
break;
case 2:
strcpy(methdescr, "Restricted ICC profile");
break;
default:
strcpy(methdescr, "Unknown");
break;
};
fileid->Read(&PREC, sizeof(unsigned char));
fileid->Read(&APPROX, sizeof(unsigned char));
if (METH != 2) {
fileid->Read(&EnumCS, sizeof(unsigned long int));
EnumCS = BYTE_SWAP4(EnumCS);
switch (EnumCS) {
case 16:
strcpy(enumcsdescr, "sRGB");
break;
case 17:
strcpy(enumcsdescr, "greyscale");
break;
case 18:
strcpy(enumcsdescr, "sYCC");
break;
default:
strcpy(enumcsdescr, "Unknown");
break;
};
};
// add info
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Specification method: %d ("), METH) +
wxString::FromAscii(methdescr) +
wxT(")"),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Precedence: %d"), PREC),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Colourspace approximation: %d"), APPROX),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
if (METH != 2)
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Enumerated colourspace: %d ("), EnumCS) +
wxString::FromAscii(enumcsdescr) +
wxT(")"),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
if (METH != 1)
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("ICC profile: there is one")),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Movie Header Box */
case (MVHD_BOX): {
unsigned long int version, rate, matrix[9], next_track_ID;
unsigned short int volume;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
if (version == 0) {
unsigned long int creation_time, modification_time, timescale, duration;
fileid->Read(&creation_time, sizeof(unsigned long int));
creation_time = BYTE_SWAP4(creation_time);
fileid->Read(&modification_time, sizeof(unsigned long int));
modification_time = BYTE_SWAP4(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(unsigned long int));
duration = BYTE_SWAP4(duration);
const long unix_time = creation_time - 2082844800L;
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u (%.24s)"), creation_time, ctime(&unix_time)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
const long unix_time1 = modification_time - 2082844800L;
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u (%.24s)"), modification_time, ctime(&unix_time1)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u (%.6fs)"), timescale, 1.0 / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u (%.3fs)"), duration, (float) duration / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
} else {
int8byte creation_time, modification_time, duration;
unsigned long int timescale;
fileid->Read(&creation_time, sizeof(int8byte));
creation_time = BYTE_SWAP8(creation_time);
fileid->Read(&modification_time, sizeof(int8byte));
modification_time = BYTE_SWAP8(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(int8byte));
duration = BYTE_SWAP8(duration);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u"), creation_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u"), modification_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u"), timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u"), duration),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
fileid->Read(&rate, sizeof(unsigned long int));
rate = BYTE_SWAP4(rate);
fileid->Read(&volume, sizeof(unsigned short int));
volume = BYTE_SWAP2(volume);
fileid->Seek(6, wxFromCurrent);
fileid->Read(&matrix, sizeof(unsigned char) * 9);
fileid->Seek(4, wxFromCurrent);
fileid->Read(&next_track_ID, sizeof(unsigned long int));
next_track_ID = BYTE_SWAP4(next_track_ID);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Rate: %d (%d.%d)"), rate, rate >> 16, rate & 0x0000FFFF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Volume: %d (%d.%d)"), volume, volume >> 8, volume & 0x00FF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Next track ID: %d"), next_track_ID),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Sample Description box */
case (STSD_BOX): {
unsigned long int version, entry_count;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
fileid->Read(&entry_count, sizeof(unsigned long int));
entry_count = BYTE_SWAP4(entry_count);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Entry count: %d"), entry_count),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
jpeg2000parse(fileid, filepoint + 8, filelimit, parentid, level + 1, scansign, scanpoint);
};
break;
/* Sample Size box */
case (STSZ_BOX): {
unsigned long int version, sample_size, sample_count, entry_size;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
fileid->Read(&sample_size, sizeof(unsigned long int));
sample_size = BYTE_SWAP4(sample_size);
if (sample_size == 0) {
fileid->Read(&sample_count, sizeof(unsigned long int));
sample_count = BYTE_SWAP4(sample_count);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Sample count: %d"), sample_count),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
currid = m_tree->AppendItem(parentid,
wxT("Entries size (bytes)"),
m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
wxString text;
for (unsigned int s = 0; s < sample_count; s++) {
fileid->Read(&entry_size, sizeof(unsigned long int));
entry_size = BYTE_SWAP4(entry_size);
text << wxString::Format(wxT("%d, "), entry_size);
if (((s % 10) == (ITEM_PER_ROW - 1)) || (s == (sample_count - 1))) {
m_tree->AppendItem(currid,
text,
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
text = wxT("");
}
}
}
};
break;
/* Video Media Header box */
case (VMHD_BOX): {
unsigned long int version;
unsigned short int graphicsmode, opcolor[3];
char graphicsdescr[100];
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
fileid->Read(&graphicsmode, sizeof(unsigned short int));
graphicsmode = BYTE_SWAP2(graphicsmode);
switch (graphicsmode) {
case (0x00):
strcpy(graphicsdescr, "copy");
break;
case (0x24):
strcpy(graphicsdescr, "transparent");
break;
case (0x0100):
strcpy(graphicsdescr, "alpha");
break;
case (0x0101):
strcpy(graphicsdescr, "whitealpha");
break;
case (0x0102):
strcpy(graphicsdescr, "blackalpha");
break;
default:
strcpy(graphicsdescr, "unknown");
break;
};
fileid->Read(opcolor, 3 * sizeof(unsigned short int));
opcolor[0] = BYTE_SWAP2(opcolor[0]);
opcolor[1] = BYTE_SWAP2(opcolor[1]);
opcolor[2] = BYTE_SWAP2(opcolor[2]);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Composition mode: %d (")) +
wxString::FromAscii(graphicsdescr) +
wxT(")"),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("OP color: %d %d %d"), opcolor[0], opcolor[1], opcolor[2]),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
};
break;
/* MJP2 Sample Description box */
case (MJP2_BOX): {
unsigned short int height, width, depth;
unsigned long int horizresolution, vertresolution;
char compressor_name[32];
fileid->Seek(24, wxFromCurrent);
fileid->Read(&width, sizeof(unsigned short int));
width = BYTE_SWAP2(width);
fileid->Read(&height, sizeof(unsigned short int));
height = BYTE_SWAP2(height);
fileid->Read(&horizresolution, sizeof(unsigned long int));
horizresolution = BYTE_SWAP4(horizresolution);
fileid->Read(&vertresolution, sizeof(unsigned long int));
vertresolution = BYTE_SWAP4(vertresolution);
fileid->Seek(6, wxFromCurrent);
fileid->Read(compressor_name, sizeof(char) * 32);
fileid->Read(&depth, sizeof(unsigned short int));
depth = BYTE_SWAP2(depth);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Dimensions: %d x %d @ %d bpp"), width, height, depth),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Resolution: %d.%d x %d.%d"), horizresolution >> 16, horizresolution & 0x0000FFFF,
vertresolution >> 16, vertresolution & 0x0000FFFF),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Compressor: %.32s"), compressor_name),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
jpeg2000parse(fileid, filepoint + 78, filelimit, parentid, level + 1, scansign, scanpoint);
};
break;
/* Media Header box */
case (MDHD_BOX): {
unsigned long int version;
unsigned short int language;
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
if (version == 0) {
unsigned long int creation_time, modification_time, timescale, duration;
fileid->Read(&creation_time, sizeof(unsigned long int));
creation_time = BYTE_SWAP4(creation_time);
fileid->Read(&modification_time, sizeof(unsigned long int));
modification_time = BYTE_SWAP4(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(unsigned long int));
duration = BYTE_SWAP4(duration);
const long unix_time = creation_time - 2082844800L;
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u (%.24s)"), creation_time, ctime(&unix_time)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
const long unix_time1 = modification_time - 2082844800L;
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u (%.24s)"), modification_time, ctime(&unix_time1)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u (%.6fs)"), timescale, 1.0 / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u (%.3fs)"), duration, (float) duration / (float) timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
} else {
int8byte creation_time, modification_time, duration;
unsigned long int timescale;
fileid->Read(&creation_time, sizeof(int8byte));
creation_time = BYTE_SWAP8(creation_time);
fileid->Read(&modification_time, sizeof(int8byte));
modification_time = BYTE_SWAP8(modification_time);
fileid->Read(&timescale, sizeof(unsigned long int));
timescale = BYTE_SWAP4(timescale);
fileid->Read(&duration, sizeof(int8byte));
duration = BYTE_SWAP8(duration);
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Creation time: %u"), creation_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Modification time: %u"), modification_time),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Timescale: %u"), timescale),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Duration: %u"), duration),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
}
fileid->Read(&language, sizeof(unsigned short int));
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Language: %d (%c%c%c)"), language & 0xEFFF,
0x60 + (char) ((language >> 10) & 0x001F), 0x60 + (char) ((language >> 5) & 0x001F), 0x60 + (char) ((language >> 0) & 0x001F)),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/* Media Handler box */
case (HDLR_BOX): {
unsigned long int version, predefined, temp[3];
char handler[4], name[256];
int namelen = wxMin(256, (filelimit - filepoint - 24));
fileid->Read(&version, sizeof(unsigned long int));
version = BYTE_SWAP4(version);
fileid->Read(&predefined, sizeof(unsigned long int));
fileid->Read(handler, 4 * sizeof(char));
fileid->Read(&temp, 3 * sizeof(unsigned long int));
fileid->Read(name, namelen * sizeof(char));
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Handler: %.4s"), handler),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("Name: %.255s"), name),
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/* not yet implemented */
default:
break;
};
return (0);
}
void OPJParseThread::ParseJP2File(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit, wxTreeItemId parentid)
{
unsigned long int scanpoint;
jpeg2000parse(fileid, filepoint, filelimit, parentid, 0, NULL, &scanpoint);
}
/* the parsing function itself */
/*
fileid = fid of the file to scan (you should open it by yourself)
filepoint = first byte where to start to scan from (usually 0)
filelimit = first byte where to stop to scan from (usually the file size)
level = set this to 0
scansign = signature to scan for (NULL avoids search, returns " " if successful)
scanpoint = point where the scan signature lies
*/
int OPJParseThread::jpeg2000parse(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
{
unsigned long int LBox = 0x00000000;
//int LBox_read;
char TBox[5] = "\0\0\0\0";
//int TBox_read;
int8byte XLBox = 0x0000000000000000;
//int XLBox_read;
unsigned long int box_length = 0;
int last_box = 0, box_num = 0;
int box_type = ANY_BOX;
unsigned char /*onebyte[1], twobytes[2],*/ fourbytes[4];
/* 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 (fileid->Seek(filepoint, wxFromStart) == wxInvalidOffset)
return (-1);
/* read the mandatory LBox, 4 bytes */
if (fileid->Read(fourbytes, 4) < 4) {
WriteText(wxT("Problem reading LBox from the file (file ended?)"));
return -1;
};
LBox = STREAM_TO_UINT32(fourbytes, 0);
/* read the mandatory TBox, 4 bytes */
if (fileid->Read(TBox, 4) < 4) {
WriteText(wxT("Problem reading TBox from the file (file ended?)"));
return -1;
};
/* look if scansign is got */
if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) {
memcpy(scansign, " ", 4);
*scanpoint = filepoint;
/* hack/exploit */
// stop as soon as you find the codebox
return (0);
};
/* determine the box type */
for (box_type = JP_BOX; box_type < UNK_BOX; box_type++)
if (memcmp(TBox, j22box[box_type].value, 4) == 0)
break;
/* read the optional XLBox, 8 bytes */
if (LBox == 1) {
if (fileid->Read(&XLBox, 8) < 8) {
WriteText(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;
/* show box info */
// append the marker
int image, imageSel;
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("%03d: "), box_num) +
wxString::FromAscii(TBox) +
wxString::Format(wxT(" (0x%04X)"),
((unsigned long int) TBox[3]) + ((unsigned long int) TBox[2] << 8) +
((unsigned long int) TBox[1] << 16) + ((unsigned long int) TBox[0] << 24)
),
image, imageSel,
new OPJMarkerData(wxT("BOX"), m_tree->m_fname.GetFullPath(), filepoint, filepoint + box_length)
);
// append some info
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
// box name
wxTreeItemId subcurrid1 = m_tree->AppendItem(currid,
wxT("*** ") + wxString::FromAscii(j22box[box_type].name) + wxT(" ***"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
m_tree->SetItemFont(subcurrid1, *wxITALIC_FONT);
// position and length
wxTreeItemId subcurrid2 = m_tree->AppendItem(currid,
wxLongLong(filepoint).ToString() + wxT(" > ") + wxLongLong(filepoint + box_length - 1).ToString() +
wxT(", ") + wxString::Format(wxT("%d + 8 (%d)"), box_length, box_length + 8),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
/* go deep in the box */
box_handler_function((int) box_type, fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
currid, level, scansign, scanpoint);
/* if it's a superbox go inside it */
if (j22box[box_type].sbox)
jpeg2000parse(fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
currid, level + 1, scansign, scanpoint);
/* increment box number and filepoint*/
box_num++;
filepoint += box_length;
};
/* all good */
return (0);
}
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