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openjpeg/src/bin/wx/OPJViewer/source/wxj2kparser.cpp

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/*
* The copyright in this software is being made available under the 2-clauses
* BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* 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"
/* From little endian to big endian, 2 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)
/* 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))
/* Markers values */
#define J2KMARK_NUM 24
enum {
SOC_VAL = 0xFF4F,
SOT_VAL = 0xFF90,
SOD_VAL = 0xFF93,
EOC_VAL = 0xFFD9,
SIZ_VAL = 0xFF51,
COD_VAL = 0xFF52,
COC_VAL = 0xFF53,
RGN_VAL = 0xFF5E,
QCD_VAL = 0xFF5C,
QCC_VAL = 0xFF5D,
POD_VAL = 0xFF5F,
TLM_VAL = 0xFF55,
PLM_VAL = 0xFF57,
PLT_VAL = 0xFF58,
PPM_VAL = 0xFF60,
PPT_VAL = 0xFF61,
SOP_VAL = 0xFF91,
EPH_VAL = 0xFF92,
COM_VAL = 0xFF64
#ifdef USE_JPWL
, EPB_VAL = 0xFF66,
ESD_VAL = 0xFF67,
EPC_VAL = 0xFF68,
RED_VAL = 0xFF69
/*, EPB_VAL = 0xFF96,
ESD_VAL = 0xFF98,
EPC_VAL = 0xFF97,
RED_VAL = 0xFF99*/
#endif // USE_JPWL
#ifdef USE_JPSEC
, SEC_VAL = 0xFF65
#endif // USE_JPSEC
};
// All the markers in one vector
unsigned short int marker_val[] = {
SOC_VAL, SOT_VAL, SOD_VAL, EOC_VAL,
SIZ_VAL,
COD_VAL, COC_VAL, RGN_VAL, QCD_VAL, QCC_VAL, POD_VAL,
TLM_VAL, PLM_VAL, PLT_VAL, PPM_VAL, PPT_VAL,
SOP_VAL, EPH_VAL,
COM_VAL
#ifdef USE_JPWL
, EPB_VAL, ESD_VAL, EPC_VAL, RED_VAL
#endif // USE_JPWL
#ifdef USE_JPSEC
, SEC_VAL
#endif // USE_JPSEC
};
// Marker names
static const char *marker_name[] = {
"SOC", "SOT", "SOD", "EOC",
"SIZ",
"COD", "COC", "RGN", "QCD", "QCC", "POD",
"TLM", "PLM", "PLT", "PPM", "PPT",
"SOP", "EPH",
"COM"
#ifdef USE_JPWL
, "EPB", "ESD", "EPC", "RED"
#endif // USE_JPWL
#ifdef USE_JPSEC
, "SEC"
#endif // USE_JPSEC
};
// Marker descriptions
static const char *marker_descr[] = {
"Start of codestream", "Start of tile-part", "Start of data", "End of codestream",
"Image and tile size",
"Coding style default", "Coding style component", "Region-of-interest", "Quantization default",
"Quantization component", "Progression order change, default",
"Tile-part lengths, main header", "Packet length, main header", "Packets length, tile-part header",
"Packed packet headers, main header", "Packed packet headers, tile-part header",
"Start of packet", "End of packet header",
"Comment and extension"
#ifdef USE_JPWL
, "Error Protection Block", "Error Sensitivity Descriptor", "Error Protection Capability",
"Residual Errors Descriptor"
#endif // USE_JPWL
#ifdef USE_JPSEC
, "Main security marker"
#endif // USE_JPSEC
};
void OPJParseThread::ParseJ2KFile(wxFile *m_file, wxFileOffset offset, wxFileOffset length, wxTreeItemId parentid)
{
unsigned short int csiz = 0;
// check if the file is opened
if (m_file->IsOpened())
WriteText(wxT("File OK"));
else
return;
// position at the beginning
m_file->Seek(offset, wxFromStart);
// navigate the file
int m, inside_sod = 0, inside_sop = 0;
int nmarks = 0, maxmarks = 10000;
unsigned char onebyte[1];
unsigned char twobytes[2], firstbyte, secondbyte;
unsigned char fourbytes[4];
unsigned short int currmark;
unsigned short int currlen;
int lastPsot = 0, lastsotpos = 0;
WriteText(wxT("Start search..."));
// advancing macro
#define OPJ_ADVANCE(A) {offset += A; if (offset < length) m_file->Seek(offset, wxFromStart); else return;}
// begin search
while ((offset < length) && (!m_file->Eof())) {
// read one byte
if (m_file->Read(&firstbyte, 1) != 1)
break;
// look for 0xFF
if (firstbyte == 0xFF) {
// it is a possible marker
if (m_file->Read(&secondbyte, 1) != 1)
break;
else
currmark = (((unsigned short int) firstbyte) << 8) + (unsigned short int) secondbyte;
} else {
// nope, advance by one and search again
OPJ_ADVANCE(1);
continue;
}
// search the marker
for (m = 0; m < J2KMARK_NUM; m++) {
if (currmark == marker_val[m])
break;
}
// marker not found
if (m == J2KMARK_NUM) {
// nope, advance by one and search again
OPJ_ADVANCE(1);
continue;
}
// if we are inside SOD, only some markers are allowed
if (inside_sod) {
// we are inside SOP
if (inside_sop) {
}
// randomly marker coincident data
if ((currmark != SOT_VAL) &&
(currmark != EOC_VAL) &&
(currmark != SOP_VAL) &&
(currmark != EPH_VAL)) {
OPJ_ADVANCE(1);
continue;
}
// possible SOT?
if ((currmark == SOT_VAL)) {
// too early SOT
if (offset < (lastsotpos + lastPsot)) {
OPJ_ADVANCE(1);
continue;
}
// we were not in the last tile
/*if (lastPsot != 0) {
OPJ_ADVANCE(1);
break;
}*/
}
}
// beyond this point, the marker MUST BE real
// length of current marker segment
if ((currmark == SOD_VAL) ||
(currmark == SOC_VAL) ||
(currmark == EOC_VAL) ||
(currmark == EPH_VAL))
// zero length markers
currlen = 0;
else {
// read length field
if (m_file->Read(twobytes, 2) != 2)
break;
currlen = (((unsigned short int) twobytes[0]) << 8) + (unsigned short int) twobytes[1];
}
// here we pass to AppendItem() normal and selected item images (we
// suppose that selected image follows the normal one in the enum)
int image, imageSel;
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
// append the marker
wxTreeItemId currid = m_tree->AppendItem(parentid,
wxString::Format(wxT("%03d: "), nmarks) +
wxString::FromAscii(marker_name[m]) +
wxString::Format(wxT(" (0x%04X)"), marker_val[m]),
image, imageSel,
new OPJMarkerData(wxT("MARK") + wxString::Format(wxT(" (%d)"), marker_val[m]),
m_tree->m_fname.GetFullPath(), offset, offset + currlen + 1)
);
// append some info
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
// marker name
wxTreeItemId subcurrid1 = m_tree->AppendItem(currid,
wxT("*** ") + wxString::FromAscii(marker_descr[m]) + wxT(" ***"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
m_tree->SetItemFont(subcurrid1, *wxITALIC_FONT);
// position and length
wxTreeItemId subcurrid2 = m_tree->AppendItem(currid,
wxLongLong(offset).ToString() + wxT(" > ") + wxLongLong(offset + currlen + 1).ToString() +
wxT(", ") + wxString::Format(wxT("%d + 2 (%d)"), currlen, currlen + 2),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
// give additional info on markers
switch (currmark) {
/////////
// SOP //
/////////
case SOP_VAL:
{
// read packet number
if (m_file->Read(twobytes, 2) != 2)
break;
int packnum = STREAM_TO_UINT16(twobytes, 0);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("Pack. no. %d"), packnum),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
inside_sop = 1;
};
break;
#ifdef USE_JPWL
/////////
// RED //
/////////
case RED_VAL:
{
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char pred = onebyte[0];
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxString address[] = {
wxT("Packet addressing"),
wxT("Byte-range addressing"),
wxT("Packet-range addressing"),
wxT("Reserved")
};
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
address[(pred & 0xC0) >> 6],
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("%d bytes range"), (((pred & 0x02) >> 1) + 1) * 2),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
pred & 0x01 ? wxT("Errors/erasures in codestream") : wxT("Error free codestream"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("Residual corruption level: %d"), (pred & 0x38) >> 3),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/////////
// ESD //
/////////
case ESD_VAL:
{
unsigned short int cesd;
if (csiz < 257) {
if (m_file->Read(onebyte, 1) != 1)
break;
cesd = onebyte[0];
} else {
if (m_file->Read(twobytes, 2) != 2)
break;
cesd = STREAM_TO_UINT16(twobytes, 0);
}
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char pesd = onebyte[0];
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
pesd & 0x01 ? wxT("Comp. average") : wxString::Format(wxT("Comp. no. %d"), cesd),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
wxString meth[] = {
wxT("Relative error sensitivity"),
wxT("MSE"),
wxT("MSE reduction"),
wxT("PSNR"),
wxT("PSNR increase"),
wxT("MAXERR (absolute peak error)"),
wxT("TSE (total squared error)"),
wxT("Reserved")
};
subcurrid = m_tree->AppendItem(currid,
meth[(pesd & 0x38) >> 3],
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
wxString address[] = {
wxT("Packet addressing"),
wxT("Byte-range addressing"),
wxT("Packet-range addressing"),
wxT("Reserved")
};
subcurrid = m_tree->AppendItem(currid,
address[(pesd & 0xC0) >> 6],
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("%d bytes/value, %d bytes range"), ((pesd & 0x04) >> 2) + 1, (((pesd & 0x02) >> 1) + 1) * 2),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/////////
// EPC //
/////////
case EPC_VAL:
{
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int pcrc = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int dl = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char pepc = onebyte[0];
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("CRC-16 = 0x%x"), pcrc),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("Tot. length = %d"), dl),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("%s%s%s%s"),
pepc & 0x10 ? wxT("ESD, ") : wxT(""),
pepc & 0x20 ? wxT("RED, ") : wxT(""),
pepc & 0x40 ? wxT("EPB, ") : wxT(""),
pepc & 0x80 ? wxT("Info") : wxT("")
),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/////////
// EPB //
/////////
case EPB_VAL:
{
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char depb = onebyte[0];
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int ldpepb = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int pepb = STREAM_TO_UINT32(fourbytes, 0);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("No. %d, %slatest, %spacked"),
depb & 0x3F,
depb & 0x40 ? wxT("") : wxT("not "),
depb & 0x80 ? wxT("") : wxT("un")),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("%d bytes protected"), ldpepb),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (pepb == 0x00000000)
subcurrid = m_tree->AppendItem(currid,
wxT("Predefined codes"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
else if ((pepb >= 0x10000000) && (pepb <= 0x1FFFFFFF)) {
wxString text = wxT("CRC code");
if (pepb == 0x10000000)
text << wxT(", CCITT (X25) 16 bits");
else if (pepb == 0x10000001)
text << wxT(", Ethernet 32 bits");
else
text << wxT(", JPWL RA");
subcurrid = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
} else if ((pepb >= 0x20000000) && (pepb <= 0x2FFFFFFF)) {
wxString text;
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("RS code, RS(%d, %d)"),
(pepb & 0x0000FF00) >> 8,
(pepb & 0x000000FF)),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
} else if ((pepb >= 0x30000000) && (pepb <= 0x3FFFFFFE))
subcurrid = m_tree->AppendItem(currid,
wxT("JPWL RA"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
else if (pepb == 0xFFFFFFFF)
subcurrid = m_tree->AppendItem(currid,
wxT("No method"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
#endif // USE_JPWL
#ifdef USE_JPSEC
case SEC_VAL:
{
}
break;
#endif // USE_JPSEC
/////////
// SIZ //
/////////
case SIZ_VAL:
{
int c;
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int rsiz = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int xsiz = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int ysiz = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int xosiz = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int yosiz = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int xtsiz = STREAM_TO_UINT32(fourbytes, 0);
this->m_tree->m_childframe->m_twidth = xtsiz;
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int ytsiz = STREAM_TO_UINT32(fourbytes, 0);
this->m_tree->m_childframe->m_theight = ytsiz;
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int xtosiz = STREAM_TO_UINT32(fourbytes, 0);
this->m_tree->m_childframe->m_tx = xtosiz;
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int ytosiz = STREAM_TO_UINT32(fourbytes, 0);
this->m_tree->m_childframe->m_ty = ytosiz;
if (m_file->Read(twobytes, 2) != 2)
break;
csiz = STREAM_TO_UINT16(twobytes, 0);
bool equaldepth = true, equalsize = true;
unsigned char *ssiz = new unsigned char(csiz);
unsigned char *xrsiz = new unsigned char(csiz);
unsigned char *yrsiz = new unsigned char(csiz);
for (c = 0; c < csiz; c++) {
if (m_file->Read(&ssiz[c], 1) != 1)
break;
if (c > 0)
equaldepth = equaldepth && (ssiz[c] == ssiz[c - 1]);
if (m_file->Read(&xrsiz[c], 1) != 1)
break;
if (m_file->Read(&yrsiz[c], 1) != 1)
break;
if (c > 0)
equalsize = equalsize && (xrsiz[c] == xrsiz[c - 1]) && (yrsiz[c] == yrsiz[c - 1]) ;
}
if (equaldepth && equalsize)
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("I: %dx%d (%d, %d), %d c., %d%s bpp"),
xsiz, ysiz,
xosiz, yosiz,
csiz, ((ssiz[0] & 0x7F) + 1),
(ssiz[0] & 0x80) ? wxT("s") : wxT("u")),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
else
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("I: %dx%d (%d, %d), %d c."),
xsiz, ysiz,
xosiz, yosiz,
csiz),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("T: %dx%d (%d, %d)"),
xtsiz, ytsiz,
xtosiz, ytosiz),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
wxTreeItemId subcurrid4 = m_tree->AppendItem(currid,
wxT("Components"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
for (c = 0; c < csiz; c++) {
wxTreeItemId subcurrid5 = m_tree->AppendItem(subcurrid4,
wxString::Format(wxT("#%d: %dx%d, %d%s bpp"),
c,
xsiz/xrsiz[c], ysiz/yrsiz[c],
((ssiz[c] & 0x7F) + 1),
(ssiz[c] & 0x80) ? wxT("s") : wxT("u")),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
};
break;
/////////
// SOT //
/////////
case SOT_VAL:
{
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int isot = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(fourbytes, 4) != 4)
break;
unsigned long int psot = STREAM_TO_UINT32(fourbytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char tpsot = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char tnsot = onebyte[0];
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("tile %d, psot = %d, part %d of %d"), isot, psot, tpsot, tnsot),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
lastPsot = psot;
lastsotpos = offset;
inside_sod = 0;
};
break;
/////////
// COC //
/////////
case COC_VAL:
{
unsigned short int ccoc;
if (csiz < 257) {
if (m_file->Read(onebyte, 1) != 1)
break;
ccoc = onebyte[0];
} else {
if (m_file->Read(twobytes, 2) != 2)
break;
ccoc = STREAM_TO_UINT16(twobytes, 0);
}
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char scoc = onebyte[0];
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("Comp. no. %d"), ccoc),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
wxString text;
if (scoc & 0x01)
text << wxT("Partitioned entropy coder");
else
text << wxT("Unpartitioned entropy coder");
subcurrid = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char decomplevs = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbswidth = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbsheight = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbstyle = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char transform = onebyte[0];
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("%d levels (%d resolutions)"), decomplevs, decomplevs + 1),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (transform & 0x01)
text = wxT("5-3 reversible wavelet");
else
text = wxT("9-7 irreversible wavelet");
subcurrid = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("Code-blocks: %dx%d"), 1 << ((cbswidth & 0x0F) + 2), 1 << ((cbsheight & 0x0F) + 2)),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxT("Coding styles"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
if (cbstyle & 0x01)
text = wxT("Selective arithmetic coding bypass");
else
text = wxT("No selective arithmetic coding bypass");
wxTreeItemId subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x02)
text = wxT("Reset context probabilities on coding pass boundaries");
else
text = wxT("No reset of context probabilities on coding pass boundaries");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x04)
text = wxT("Termination on each coding passs");
else
text = wxT("No termination on each coding pass");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x08)
text = wxT("Vertically stripe causal context");
else
text = wxT("No vertically stripe causal context");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x10)
text = wxT("Predictable termination");
else
text = wxT("No predictable termination");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x20)
text = wxT("Segmentation symbols are used");
else
text = wxT("No segmentation symbols are used");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/////////
// COD //
/////////
case COD_VAL:
{
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char scod = onebyte[0];
wxString text;
if (scod & 0x01)
text << wxT("Partitioned entropy coder");
else
text << wxT("Unpartitioned entropy coder");
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
text = wxT("");
if (scod & 0x02)
text << wxT("Possible SOPs");
else
text << wxT("No SOPs");
if (scod & 0x04)
text << wxT(", possible EPHs");
else
text << wxT(", no EPHs");
subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char progord = onebyte[0];
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int numlayers = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char mctransform = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char decomplevs = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbswidth = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbsheight = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char cbstyle = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char transform = onebyte[0];
subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("%d levels (%d resolutions)"), decomplevs, decomplevs + 1),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
text = wxT("");
switch (progord) {
case (0):
text << wxT("LRCP");
break;
case (1):
text << wxT("RLCP");
break;
case (2):
text << wxT("LRCP");
break;
case (3):
text << wxT("RPCL");
break;
case (4):
text << wxT("CPRL");
break;
default:
text << wxT("unknown progression");
break;
}
text << wxString::Format(wxT(", %d layers"), numlayers);
if (transform & 0x01)
text << wxT(", 5-3 rev.");
else
text << wxT(", 9-7 irr.");
subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("Code-blocks: %dx%d"), 1 << ((cbswidth & 0x0F) + 2), 1 << ((cbsheight & 0x0F) + 2)),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
switch (mctransform) {
case (0):
{
text = wxT("No MCT");
}
break;
case (1):
{
text = wxT("Reversible MCT on 0, 1, 2");
}
break;
case (2):
{
text = wxT("Irreversible MCT on 0, 1, 2");
}
break;
default:
{
text = wxT("Unknown");
}
break;
};
subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
subcurrid3 = m_tree->AppendItem(currid,
wxT("Coding styles"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
if (cbstyle & 0x01)
text = wxT("Selective arithmetic coding bypass");
else
text = wxT("No selective arithmetic coding bypass");
wxTreeItemId subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x02)
text = wxT("Reset context probabilities on coding pass boundaries");
else
text = wxT("No reset of context probabilities on coding pass boundaries");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x04)
text = wxT("Termination on each coding passs");
else
text = wxT("No termination on each coding pass");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x08)
text = wxT("Vertically stripe causal context");
else
text = wxT("No vertically stripe causal context");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x10)
text = wxT("Predictable termination");
else
text = wxT("No predictable termination");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (cbstyle & 0x20)
text = wxT("Segmentation symbols are used");
else
text = wxT("No segmentation symbols are used");
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/////////
// QCC //
/////////
case QCC_VAL:
{
unsigned short int cqcc;
if (csiz < 257) {
if (m_file->Read(onebyte, 1) != 1)
break;
cqcc = onebyte[0];
} else {
if (m_file->Read(twobytes, 2) != 2)
break;
cqcc = STREAM_TO_UINT16(twobytes, 0);
}
wxTreeItemId subcurrid = m_tree->AppendItem(currid,
wxString::Format(wxT("Comp. no. %d"), cqcc),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char sqcc = onebyte[0];
wxString text;
switch (sqcc & 0x1F) {
case (0):
text = wxT("No quantization");
break;
case (1):
text = wxT("Scalar implicit");
break;
case (2):
text = wxT("Scalar explicit");
break;
default:
text = wxT("Unknown");
break;
}
text << wxString::Format(wxT(", %d guard bits"), (sqcc & 0xE0) >> 5);
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
break;
/////////
// QCD //
/////////
case QCD_VAL:
{
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char sqcd = onebyte[0];
wxString text;
switch (sqcd & 0x1F) {
case (0):
text = wxT("No quantization");
break;
case (1):
text = wxT("Scalar implicit");
break;
case (2):
text = wxT("Scalar explicit");
break;
default:
text = wxT("Unknown");
break;
}
text << wxString::Format(wxT(", %d guard bits"), (sqcd & 0xE0) >> 5);
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/////////
// COM //
/////////
case COM_VAL:
{
#define showlen 25
char comment[showlen];
wxString comments;
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int rcom = STREAM_TO_UINT16(twobytes, 0);
wxString text;
if (rcom == 0)
text = wxT("Binary values");
else if (rcom == 1)
text = wxT("ISO 8859-1 (latin-1) values");
else if (rcom < 65535)
text = wxT("Reserved for registration");
else
text = wxT("Reserved for extension");
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (m_file->Read(comment, showlen) != showlen)
break;
comments = wxString::FromAscii(comment).Truncate(wxMin(showlen, currlen - 4));
if ((currlen - 4) > showlen)
comments << wxT("...");
subcurrid3 = m_tree->AppendItem(currid,
comments,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
};
break;
/////////
// TLM //
/////////
case TLM_VAL:
{
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char ztlm = onebyte[0];
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char stlm = onebyte[0];
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("TLM #%d"), ztlm),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("%d bits/index, %d bits/length"),
8 * ((stlm & 0x30) >> 4), 16 + 16 * ((stlm & 0x40) >> 6)),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
int n, numparts;
numparts = (currlen - 2) / ( ((stlm & 0x30) >> 4) + 2 + 2 * ((stlm & 0x40) >> 6));
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
subcurrid3 = m_tree->AppendItem(currid,
wxT("Tile parts"),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
for (n = 0; n < numparts; n++) {
unsigned short int ttlm;
unsigned long int ptlm;
switch (((stlm & 0x30) >> 4)) {
case 0:
ttlm = 0;
break;
case 1:
if (m_file->Read(onebyte, 1) != 1)
break;
ttlm = onebyte[0];
break;
case 2:
if (m_file->Read(twobytes, 2) != 2)
break;
ttlm = STREAM_TO_UINT16(twobytes, 0);
break;
}
switch (((stlm & 0x40) >> 6)) {
case 0:
if (m_file->Read(twobytes, 2) != 2)
break;
ptlm = STREAM_TO_UINT16(twobytes, 0);
break;
case 1:
if (m_file->Read(fourbytes, 4) != 4)
break;
ptlm = STREAM_TO_UINT32(fourbytes, 0);
break;
}
wxTreeItemId subcurrid4 = m_tree->AppendItem(subcurrid3,
wxString::Format(wxT("Tile %d: %d bytes"), ttlm, ptlm),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
}
break;
/////////
// POD //
/////////
case POD_VAL:
{
int n, numchanges;
if (csiz < 257)
numchanges = (currlen - 2) / 7;
else
numchanges = (currlen - 2) / 9;
for (n = 0; n < numchanges; n++) {
image = m_tree->TreeCtrlIcon_Folder;
imageSel = image + 1;
wxTreeItemId subcurrid3 = m_tree->AppendItem(currid,
wxString::Format(wxT("Change #%d"), n),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char rspod = onebyte[0];
unsigned short int cspod;
if (csiz < 257) {
if (m_file->Read(onebyte, 1) != 1)
break;
cspod = onebyte[0];
} else {
if (m_file->Read(twobytes, 2) != 2)
break;
cspod = STREAM_TO_UINT16(twobytes, 0);
}
if (m_file->Read(twobytes, 2) != 2)
break;
unsigned short int lyepod = STREAM_TO_UINT16(twobytes, 0);
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char repod = onebyte[0];
unsigned short int cepod;
if (csiz < 257) {
if (m_file->Read(onebyte, 1) != 1)
break;
cepod = onebyte[0];
} else {
if (m_file->Read(twobytes, 2) != 2)
break;
cepod = STREAM_TO_UINT16(twobytes, 0);
}
if (m_file->Read(onebyte, 1) != 1)
break;
unsigned char ppod = onebyte[0];
image = m_tree->TreeCtrlIcon_File;
imageSel = image + 1;
wxTreeItemId subcurrid4 = m_tree->AppendItem(subcurrid3,
wxString::Format(wxT("%d <= Resolution < %d"), rspod, repod),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid4 = m_tree->AppendItem(subcurrid3,
wxString::Format(wxT("%d <= Component < %d"), cspod, cepod),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
subcurrid4 = m_tree->AppendItem(subcurrid3,
wxString::Format(wxT("0 <= Layer < %d"), lyepod),
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
wxString text = wxT("");
switch (ppod) {
case (0):
text << wxT("LRCP");
break;
case (1):
text << wxT("RLCP");
break;
case (2):
text << wxT("LRCP");
break;
case (3):
text << wxT("RPCL");
break;
case (4):
text << wxT("CPRL");
break;
default:
text << wxT("unknown progression");
break;
}
subcurrid4 = m_tree->AppendItem(subcurrid3,
text,
image, imageSel,
new OPJMarkerData(wxT("INFO"))
);
}
}
break;
/////////
// SOD //
/////////
case SOD_VAL:
{
inside_sod = 1;
};
break;
default:
break;
}
// increment number of markers
if (nmarks++ >= maxmarks) {
WriteText(wxT("Maximum amount of markers exceeded"));
break;
}
// advance position
OPJ_ADVANCE(currlen + 2);
}
WriteText(wxT("Search finished"));
}
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