void PefDecoder::decodeMetaDataInternal(const CameraMetaData* meta) {
int iso = 0;
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_RED, CFA_GREEN, CFA_GREEN, CFA_BLUE);
if (mRootIFD->hasEntryRecursive(ISOSPEEDRATINGS))
iso = mRootIFD->getEntryRecursive(ISOSPEEDRATINGS)->getU32();
setMetaData(meta, "", iso);
// Read black level
if (mRootIFD->hasEntryRecursive(static_cast<TiffTag>(0x200))) {
TiffEntry* black = mRootIFD->getEntryRecursive(static_cast<TiffTag>(0x200));
if (black->count == 4) {
for (int i = 0; i < 4; i++)
mRaw->blackLevelSeparate[i] = black->getU32(i);
}
}
// Set the whitebalance
if (mRootIFD->hasEntryRecursive(static_cast<TiffTag>(0x0201))) {
TiffEntry* wb = mRootIFD->getEntryRecursive(static_cast<TiffTag>(0x0201));
if (wb->count == 4) {
mRaw->metadata.wbCoeffs[0] = wb->getU32(0);
mRaw->metadata.wbCoeffs[1] = wb->getU32(1);
mRaw->metadata.wbCoeffs[2] = wb->getU32(3);
}
}
}
RawImage CrwDecoder::decodeRawInternal() {
CiffEntry *sensorInfo = mRootIFD->getEntryRecursive(CIFF_SENSORINFO);
if (!sensorInfo || sensorInfo->count < 6 || sensorInfo->type != CIFF_SHORT)
ThrowRDE("CRW: Couldn't find image sensor info");
uint32 width = sensorInfo->getShort(1);
uint32 height = sensorInfo->getShort(2);
CiffEntry *decTable = mRootIFD->getEntryRecursive(CIFF_DECODERTABLE);
if (!decTable || decTable->type != CIFF_LONG)
ThrowRDE("CRW: Couldn't find decoder table");
uint32 dec_table = decTable->getInt();
if (dec_table > 2)
ThrowRDE("CRW: Unknown decoder table %d", dec_table);
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
bool lowbits = hints.find("no_decompressed_lowbits") == hints.end();
decodeRaw(lowbits, dec_table, width, height);
return mRaw;
}
RawImage KdcDecoder::decodeRawInternal() {
int compression = mRootIFD->getEntryRecursive(COMPRESSION)->getInt();
if (7 != compression)
ThrowRDE("KDC Decoder: Unsupported compression %d", compression);
TiffEntry *ex = mRootIFD->getEntryRecursive(PIXELXDIMENSION);
TiffEntry *ey = mRootIFD->getEntryRecursive(PIXELYDIMENSION);
if (NULL == ex || NULL == ey)
ThrowRDE("KDC Decoder: Unable to retrieve image size");
uint32 width = ex->getInt();
uint32 height = ey->getInt();
TiffEntry *offset = mRootIFD->getEntryRecursive(KODAK_KDC_OFFSET);
if (!offset || offset->count < 13)
ThrowRDE("KDC Decoder: Couldn't find the KDC offset");
const uint32 *offsetarray = offset->getIntArray();
uint32 off = offsetarray[4] + offsetarray[12];
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input(mFile->getData(off), mFile->getSize()-off);
Decode12BitRawBE(input, width, height);
return mRaw;
}
RawImage MrwDecoder::decodeRawInternal() {
uint32 imgsize;
mRaw->dim = iPoint2D(raw_width, raw_height);
mRaw->createData();
if (packed)
imgsize = raw_width * raw_height * 3 / 2;
else
imgsize = raw_width * raw_height * 2;
if (!mFile->isValid(data_offset))
ThrowRDE("MRW decoder: Data offset after EOF, file probably truncated");
if (!mFile->isValid(data_offset+imgsize-1))
ThrowRDE("MRW decoder: Image end after EOF, file probably truncated");
ByteStream input(mFile->getData(data_offset), imgsize);
try {
if (packed)
Decode12BitRawBE(input, raw_width, raw_height);
else
Decode12BitRawBEunpacked(input, raw_width, raw_height);
} catch (IOException &e) {
mRaw->setError(e.what());
// Let's ignore it, it may have delivered somewhat useful data.
}
return mRaw;
}
RawImage AriDecoder::decodeRawInternal() {
mRaw->dim = iPoint2D(mWidth, mHeight);
mRaw->createData();
startThreads();
mRaw->whitePoint = 4095;
return mRaw;
}
RawImage MosDecoder::decodeRawInternal() {
vector<TiffIFD*> data;
TiffIFD* raw = NULL;
uint32 off = 0;
uint32 base = 8;
// We get a pointer up to the end of the file as we check offset bounds later
const uchar8 *insideTiff = mFile->getData(base, mFile->getSize()-base);
if (get4LE(insideTiff, 0) == 0x49494949) {
uint32 offset = get4LE(insideTiff, 8);
if (offset+base+4 > mFile->getSize())
ThrowRDE("MOS: PhaseOneC offset out of bounds");
uint32 entries = get4LE(insideTiff, offset);
uint32 pos = 8; // Skip another 4 bytes
uint32 width=0, height=0, strip_offset=0, data_offset=0, wb_offset=0;
while (entries--) {
if (offset+base+pos+16 > mFile->getSize())
ThrowRDE("MOS: PhaseOneC offset out of bounds");
uint32 tag = get4LE(insideTiff, offset+pos);
//uint32 type = get4LE(insideTiff, offset+pos+4);
//uint32 len = get4LE(insideTiff, offset+pos+8);
uint32 data = get4LE(insideTiff, offset+pos+12);
pos += 16;
switch(tag) {
case 0x107: wb_offset = data+base; break;
case 0x108: width = data; break;
case 0x109: height = data; break;
case 0x10f: data_offset = data+base; break;
case 0x21c: strip_offset = data+base; break;
case 0x21d: black_level = data>>2; break;
}
}
if (width <= 0 || height <= 0)
ThrowRDE("MOS: PhaseOneC couldn't find width and height");
if (strip_offset+height*4 > mFile->getSize())
ThrowRDE("MOS: PhaseOneC strip offsets out of bounds");
if (data_offset > mFile->getSize())
ThrowRDE("MOS: PhaseOneC data offset out of bounds");
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
DecodePhaseOneC(data_offset, strip_offset, width, height);
const uchar8 *data = mFile->getData(wb_offset, 12);
for(int i=0; i<3; i++) {
// Use get4LE instead of going straight to float so this is endian clean
uint32 value = get4LE(data, i*4);
mRaw->metadata.wbCoeffs[i] = *((float *) &value);
}
return mRaw;
} else {
RawImage NakedDecoder::decodeRawInternal() {
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input(mFile->getData(offset), mFile->getSize()-offset);
iPoint2D pos(0, 0);
readUncompressedRaw(input, mRaw->dim, pos, width*bits/8, bits, BitOrder_Jpeg16);
return mRaw;
}
void AriDecoder::decodeMetaDataInternal(CameraMetaData *meta) {
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_GREEN, CFA_RED, CFA_BLUE, CFA_GREEN2);
mRaw->metadata.wbCoeffs[0] = mWB[0];
mRaw->metadata.wbCoeffs[1] = mWB[1];
mRaw->metadata.wbCoeffs[2] = mWB[2];
if (meta->hasCamera("ARRI", mModel, mEncoder)) {
setMetaData(meta, "ARRI", mModel, mEncoder, mIso);
} else {
setMetaData(meta, "ARRI", mModel, "", mIso);
}
}
RawImage NakedDecoder::decodeRawInternal() {
uint32 width=0, height=0, filesize=0, bits=0, offset=0;
if(cam->hints.find("full_width") != cam->hints.end()) {
string tmp = cam->hints.find(string("full_width"))->second;
width = (uint32) atoi(tmp.c_str());
} else
ThrowRDE("Naked: couldn't find width");
if(cam->hints.find("full_height") != cam->hints.end()) {
string tmp = cam->hints.find(string("full_height"))->second;
height = (uint32) atoi(tmp.c_str());
} else
ThrowRDE("Naked: couldn't find height");
if(cam->hints.find("filesize") != cam->hints.end()) {
string tmp = cam->hints.find(string("filesize"))->second;
filesize = (uint32) atoi(tmp.c_str());
} else
ThrowRDE("Naked: couldn't find filesize");
if(cam->hints.find("offset") != cam->hints.end()) {
string tmp = cam->hints.find(string("offset"))->second;
offset = (uint32) atoi(tmp.c_str());
}
if(cam->hints.find("bits") != cam->hints.end()) {
string tmp = cam->hints.find(string("bits"))->second;
bits = (uint32) atoi(tmp.c_str());
} else
bits = (filesize-offset)*8/width/height;
BitOrder bo = BitOrder_Jpeg16; // Default
if(cam->hints.find("order") != cam->hints.end()) {
string tmp = cam->hints.find(string("order"))->second;
if (tmp.compare("plain") == 0) {
bo = BitOrder_Plain;
} else if (tmp.compare("jpeg") == 0) {
bo = BitOrder_Jpeg;
} else if (tmp.compare("jpeg16") == 0) {
bo = BitOrder_Jpeg16;
} else if (tmp.compare("jpeg32") == 0) {
bo = BitOrder_Jpeg32;
}
}
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input(mFile->getData(offset), mFile->getSize()-offset);
iPoint2D pos(0, 0);
readUncompressedRaw(input, mRaw->dim, pos, width*bits/8, bits, bo);
return mRaw;
}
void CrwDecoder::decodeMetaDataInternal(CameraMetaData *meta) {
int iso = 0;
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_RED, CFA_GREEN, CFA_GREEN2, CFA_BLUE);
vector<CiffIFD*> data = mRootIFD->getIFDsWithTag(CIFF_MAKEMODEL);
if (data.empty())
ThrowRDE("CRW Support check: Model name not found");
vector<string> makemodel = data[0]->getEntry(CIFF_MAKEMODEL)->getStrings();
if (makemodel.size() < 2)
ThrowRDE("CRW Support check: wrong number of strings for make/model");
string make = makemodel[0];
string model = makemodel[1];
string mode = "";
if (mRootIFD->hasEntryRecursive(CIFF_SHOTINFO)) {
CiffEntry *shot_info = mRootIFD->getEntryRecursive(CIFF_SHOTINFO);
if (shot_info->type == CIFF_SHORT && shot_info->count >= 2) {
// os << exp(canonEv(value.toLong()) * log(2.0)) * 100.0 / 32.0;
ushort16 iso_index = shot_info->getShort(2);
iso = expf(canonEv((long)iso_index) * logf(2.0)) * 100.0f / 32.0f;
}
}
// Fetch the white balance
try {
if(mRootIFD->hasEntryRecursive((CiffTag)0x0032)) {
CiffEntry *wb = mRootIFD->getEntryRecursive((CiffTag)0x0032);
if (wb->type == CIFF_BYTE && wb->count == 768) {
// We're in a D30 file, values are RGGB
// This will probably not get used anyway as a 0x102c tag should exist
mRaw->metadata.wbCoeffs[0] = (float) (1024.0 /wb->getByte(72));
mRaw->metadata.wbCoeffs[1] = (float) ((1024.0/wb->getByte(73))+(1024.0/wb->getByte(74)))/2.0f;
mRaw->metadata.wbCoeffs[2] = (float) (1024.0 /wb->getByte(75));
} else if (wb->type == CIFF_BYTE && wb->count > 768) { // Other G series and S series cameras
// correct offset for most cameras
int offset = 120;
// check for the hint that we need to use other offset
if (hints.find("wb_offset") != hints.end()) {
stringstream wb_offset(hints.find("wb_offset")->second);
wb_offset >> offset;
}
ushort16 key[] = { 0x410, 0x45f3 };
if (hints.find("wb_mangle") == hints.end())
key[0] = key[1] = 0;
offset /= 2;
mRaw->metadata.wbCoeffs[0] = (float) (wb->getShort(offset+1) ^ key[1]);
mRaw->metadata.wbCoeffs[1] = (float) (wb->getShort(offset+0) ^ key[0]);
mRaw->metadata.wbCoeffs[2] = (float) (wb->getShort(offset+2) ^ key[0]);
}
void Camera::parseCFA(xmlDocPtr doc, xmlNodePtr cur) {
xmlChar *key;
if (!xmlStrcmp(cur->name, (const xmlChar *) "Color")) {
int x = getAttributeAsInt(cur, cur->name, "x");
if (x < 0 || x > 1) {
ThrowCME("Invalid x coordinate in CFA array of in camera %s %s", make.c_str(), model.c_str());
}
int y = getAttributeAsInt(cur, cur->name, "y");
if (y < 0 || y > 1) {
ThrowCME("Invalid y coordinate in CFA array of in camera %s %s", make.c_str(), model.c_str());
}
key = xmlNodeListGetString(doc, cur->children, 1);
if (!xmlStrcmp(key, (const xmlChar *) "GREEN"))
cfa.setColorAt(iPoint2D(x, y), CFA_GREEN);
else if (!xmlStrcmp(key, (const xmlChar *) "RED"))
cfa.setColorAt(iPoint2D(x, y), CFA_RED);
else if (!xmlStrcmp(key, (const xmlChar *) "BLUE"))
cfa.setColorAt(iPoint2D(x, y), CFA_BLUE);
xmlFree(key);
}
}
void SrwDecoder::decodeMetaDataInternal(CameraMetaData *meta) {
mRaw->cfa.setCFA(CFA_RED, CFA_GREEN, CFA_GREEN2, CFA_BLUE);
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("SRW Meta Decoder: Model name found");
string make = data[0]->getEntry(MAKE)->getString();
string model = data[0]->getEntry(MODEL)->getString();
data = mRootIFD->getIFDsWithTag(CFAPATTERN);
if (!this->checkCameraSupported(meta, make, model, "") && !data.empty() && data[0]->hasEntry(CFAREPEATPATTERNDIM)) {
const unsigned short* pDim = data[0]->getEntry(CFAREPEATPATTERNDIM)->getShortArray();
iPoint2D cfaSize(pDim[1], pDim[0]);
if (cfaSize.x != 2 && cfaSize.y != 2)
ThrowRDE("SRW Decoder: Unsupported CFA pattern size");
const uchar8* cPat = data[0]->getEntry(CFAPATTERN)->getData();
if (cfaSize.area() != data[0]->getEntry(CFAPATTERN)->count)
ThrowRDE("SRW Decoder: CFA pattern dimension and pattern count does not match: %d.");
for (int y = 0; y < cfaSize.y; y++) {
for (int x = 0; x < cfaSize.x; x++) {
uint32 c1 = cPat[x+y*cfaSize.x];
CFAColor c2;
switch (c1) {
case 0:
c2 = CFA_RED; break;
case 1:
c2 = CFA_GREEN; break;
case 2:
c2 = CFA_BLUE; break;
default:
c2 = CFA_UNKNOWN;
ThrowRDE("SRW Decoder: Unsupported CFA Color.");
}
mRaw->cfa.setColorAt(iPoint2D(x, y), c2);
}
}
printf("Camera CFA: %s\n", mRaw->cfa.asString().c_str());
}
int iso = 0;
if (mRootIFD->hasEntryRecursive(ISOSPEEDRATINGS))
iso = mRootIFD->getEntryRecursive(ISOSPEEDRATINGS)->getInt();
setMetaData(meta, make, model, "", iso);
}
RawImage PefDecoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(STRIPOFFSETS);
if (data.empty())
ThrowRDE("PEF Decoder: No image data found");
TiffIFD* raw = data[0];
int compression = raw->getEntry(COMPRESSION)->getInt();
if (1 == compression) {
decodeUncompressed(raw, true);
return mRaw;
}
if (65535 != compression)
ThrowRDE("PEF Decoder: Unsupported compression");
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
if (offsets->count != 1) {
ThrowRDE("PEF Decoder: Multiple Strips found: %u", offsets->count);
}
if (counts->count != offsets->count) {
ThrowRDE("PEF Decoder: Byte count number does not match strip size: count:%u, strips:%u ", counts->count, offsets->count);
}
if (!mFile->isValid(offsets->getInt() + counts->getInt()))
ThrowRDE("PEF Decoder: Truncated file.");
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
try {
PentaxDecompressor l(mFile, mRaw);
l.decodePentax(mRootIFD, offsets->getInt(), counts->getInt());
} catch (IOException &e) {
errors.push_back(_strdup(e.what()));
// Let's ignore it, it may have delivered somewhat useful data.
}
return mRaw;
}
RawImage PefDecoder::decodeRawInternal() {
auto raw = mRootIFD->getIFDWithTag(STRIPOFFSETS);
int compression = raw->getEntry(COMPRESSION)->getU32();
if (1 == compression || compression == 32773) {
decodeUncompressed(raw, BitOrder_MSB);
return mRaw;
}
if (65535 != compression)
ThrowRDE("Unsupported compression");
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
if (offsets->count != 1) {
ThrowRDE("Multiple Strips found: %u", offsets->count);
}
if (counts->count != offsets->count) {
ThrowRDE(
"Byte count number does not match strip size: count:%u, strips:%u ",
counts->count, offsets->count);
}
if (!mFile->isValid(offsets->getU32(), counts->getU32()))
ThrowRDE("Truncated file.");
uint32 width = raw->getEntry(IMAGEWIDTH)->getU32();
uint32 height = raw->getEntry(IMAGELENGTH)->getU32();
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
try {
PentaxDecompressor::decompress(
mRaw, ByteStream(mFile, offsets->getU32(), counts->getU32()),
getRootIFD());
} catch (IOException &e) {
mRaw->setError(e.what());
// Let's ignore it, it may have delivered somewhat useful data.
}
return mRaw;
}
void NefDecoder::DecodeUncompressed() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
TiffIFD* raw = FindBestImage(&data);
uint32 nslices = raw->getEntry(STRIPOFFSETS)->count;
const uint32 *offsets = raw->getEntry(STRIPOFFSETS)->getIntArray();
const uint32 *counts = raw->getEntry(STRIPBYTECOUNTS)->getIntArray();
uint32 yPerSlice = raw->getEntry(ROWSPERSTRIP)->getInt();
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();
vector<NefSlice> slices;
uint32 offY = 0;
for (uint32 s = 0; s < nslices; s++) {
NefSlice slice;
slice.offset = offsets[s];
slice.count = counts[s];
if (offY + yPerSlice > height)
slice.h = height - offY;
else
slice.h = yPerSlice;
offY = MIN(height, offY + yPerSlice);
if (mFile->isValid(slice.offset, slice.count)) // Only decode if size is valid
slices.push_back(slice);
}
if (0 == slices.size())
ThrowRDE("NEF Decoder: No valid slices found. File probably truncated.");
mRaw->dim = iPoint2D(width, offY);
mRaw->createData();
if (bitPerPixel == 14 && width*slices[0].h*2 == slices[0].count)
bitPerPixel = 16; // D3 & D810
if(hints.find("real_bpp") != hints.end()) {
stringstream convert(hints.find("real_bpp")->second);
convert >> bitPerPixel;
}
RawImage ThreefrDecoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(STRIPOFFSETS);
if (data.size() < 2)
ThrowRDE("3FR Decoder: No image data found");
TiffIFD* raw = data[1];
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
uint32 off = raw->getEntry(STRIPOFFSETS)->getInt();
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input(mFile->getData(off), mFile->getSize() - off);
HasselbladDecompressor l(mFile, mRaw);
map<string,string>::iterator pixelOffset = hints.find("pixelBaseOffset");
if (pixelOffset != hints.end()) {
stringstream convert((*pixelOffset).second);
convert >> l.pixelBaseOffset;
}
void Cr2Decoder::decodeMetaDataInternal(CameraMetaData *meta) {
int iso = 0;
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_RED, CFA_GREEN, CFA_GREEN2, CFA_BLUE);
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("CR2 Meta Decoder: Model name not found");
string make = data[0]->getEntry(MAKE)->getString();
string model = data[0]->getEntry(MODEL)->getString();
string mode = "";
if (mRaw->metadata.subsampling.y == 2 && mRaw->metadata.subsampling.x == 2)
mode = "sRaw1";
if (mRaw->metadata.subsampling.y == 1 && mRaw->metadata.subsampling.x == 2)
mode = "sRaw2";
if (mRootIFD->hasEntryRecursive(ISOSPEEDRATINGS))
iso = mRootIFD->getEntryRecursive(ISOSPEEDRATINGS)->getInt();
// Fetch the white balance
try{
if (mRootIFD->hasEntryRecursive(CANONCOLORDATA)) {
TiffEntry *wb = mRootIFD->getEntryRecursive(CANONCOLORDATA);
// this entry is a big table, and different cameras store used WB in
// different parts, so find the offset, starting with the most common one
int offset = 126;
// replace it with a hint if it exists
if (hints.find("wb_offset") != hints.end()) {
stringstream wb_offset(hints.find("wb_offset")->second);
wb_offset >> offset;
}
offset /= 2;
mRaw->metadata.wbCoeffs[0] = (float) wb->getShort(offset + 0);
mRaw->metadata.wbCoeffs[1] = (float) wb->getShort(offset + 1);
mRaw->metadata.wbCoeffs[2] = (float) wb->getShort(offset + 3);
} else {
RawImage KdcDecoder::decodeRawInternal() {
if (!mRootIFD->hasEntryRecursive(COMPRESSION))
ThrowRDE("KDC Decoder: Couldn't find compression setting");
int compression = mRootIFD->getEntryRecursive(COMPRESSION)->getInt();
if (7 != compression)
ThrowRDE("KDC Decoder: Unsupported compression %d", compression);
uint32 width = 0;
uint32 height = 0;
TiffEntry *ew = mRootIFD->getEntryRecursive(KODAK_KDC_WIDTH);
TiffEntry *eh = mRootIFD->getEntryRecursive(KODAK_KDC_HEIGHT);
if (ew && eh) {
width = ew->getInt()+80;
height = eh->getInt()+70;
} else
ThrowRDE("KDC Decoder: Unable to retrieve image size");
TiffEntry *offset = mRootIFD->getEntryRecursive(KODAK_KDC_OFFSET);
if (!offset || offset->count < 13)
ThrowRDE("KDC Decoder: Couldn't find the KDC offset");
const uint32 *offsetarray = offset->getIntArray();
uint32 off = offsetarray[4] + offsetarray[12];
// Offset hardcoding gotten from dcraw
if (hints.find("easyshare_offset_hack") != hints.end())
off = off < 0x15000 ? 0x15000 : 0x17000;
if (off > mFile->getSize())
ThrowRDE("KDC Decoder: offset is out of bounds");
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input(mFile, off);
Decode12BitRawBE(input, width, height);
return mRaw;
}
void PefDecoder::decodeMetaDataInternal(CameraMetaData *meta) {
int iso = 0;
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_RED, CFA_GREEN, CFA_GREEN2, CFA_BLUE);
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("PEF Meta Decoder: Model name found");
TiffIFD* raw = data[0];
string make = raw->getEntry(MAKE)->getString();
string model = raw->getEntry(MODEL)->getString();
if (mRootIFD->hasEntryRecursive(ISOSPEEDRATINGS))
iso = mRootIFD->getEntryRecursive(ISOSPEEDRATINGS)->getInt();
setMetaData(meta, make, model, "", iso);
// Read black level
if (mRootIFD->hasEntryRecursive((TiffTag)0x200)) {
TiffEntry *black = mRootIFD->getEntryRecursive((TiffTag)0x200);
const ushort16 *levels = black->getShortArray();
for (int i = 0; i < 4; i++)
mRaw->blackLevelSeparate[i] = levels[i];
}
// Set the whitebalance
if (mRootIFD->hasEntryRecursive((TiffTag) 0x0201)) {
TiffEntry *wb = mRootIFD->getEntryRecursive((TiffTag) 0x0201);
if (wb->count == 4) {
const ushort16 *tmp = wb->getShortArray();
mRaw->metadata.wbCoeffs[0] = tmp[0];
mRaw->metadata.wbCoeffs[1] = tmp[1];
mRaw->metadata.wbCoeffs[2] = tmp[3];
}
}
}
void Cr2Decoder::decodeMetaDataInternal(CameraMetaData *meta) {
int iso = 0;
mRaw->cfa.setCFA(iPoint2D(2,2), CFA_RED, CFA_GREEN, CFA_GREEN2, CFA_BLUE);
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("CR2 Meta Decoder: Model name not found");
string make = data[0]->getEntry(MAKE)->getString();
string model = data[0]->getEntry(MODEL)->getString();
string mode = "";
if (mRaw->metadata.subsampling.y == 2 && mRaw->metadata.subsampling.x == 2)
mode = "sRaw1";
if (mRaw->metadata.subsampling.y == 1 && mRaw->metadata.subsampling.x == 2)
mode = "sRaw2";
if (mRootIFD->hasEntryRecursive(ISOSPEEDRATINGS))
iso = mRootIFD->getEntryRecursive(ISOSPEEDRATINGS)->getInt();
// Fetch the white balance
if (mRootIFD->hasEntryRecursive(CANONCOLORDATA)) {
TiffEntry *color_data = mRootIFD->getEntryRecursive(CANONCOLORDATA);
// this entry is a big table, and different cameras store used WB in
// different parts, so find the offset
// correct offset for most cameras
int offset = 126;
// check for the hint that we need to use other offset
if (hints.find("wb_offset") != hints.end()) {
stringstream wb_offset(hints.find("wb_offset")->second);
wb_offset >> offset;
}
void LJpegPlain::decodeScanLeft4Comps() {
// First line
HuffmanTable *dctbl1 = &huff[frame.compInfo[0].dcTblNo];
HuffmanTable *dctbl2 = &huff[frame.compInfo[1].dcTblNo];
HuffmanTable *dctbl3 = &huff[frame.compInfo[2].dcTblNo];
HuffmanTable *dctbl4 = &huff[frame.compInfo[3].dcTblNo];
if (mCanonDoubleHeight) {
frame.h *= 2;
mRaw->dim = iPoint2D(frame.w * 2, frame.h);
mRaw->destroyData();
mRaw->createData();
}
uchar8 *draw = mRaw->getData();
//Prepare slices (for CR2)
uint32 slices = (uint32)slicesW.size() * (frame.h - skipY);
offset = new uint32[slices+1];
uint32 t_y = 0;
uint32 t_x = 0;
uint32 t_s = 0;
uint32 slice = 0;
for (slice = 0; slice < slices; slice++) {
offset[slice] = ((t_x + offX) * mRaw->getBpp() + ((offY + t_y) * mRaw->pitch)) | (t_s << 28);
_ASSERTE((offset[slice]&0x0fffffff) < mRaw->pitch*mRaw->dim.y);
t_y++;
if (t_y == (frame.h - skipY)) {
t_y = 0;
t_x += slicesW[t_s++];
}
}
// We check the final position. If bad slice sizes are given we risk writing outside the image
if ((offset[slices-1]&0x0fffffff) >= mRaw->pitch*mRaw->dim.y) {
ThrowRDE("LJpegPlain::decodeScanLeft: Last slice out of bounds");
}
offset[slices] = offset[slices-1]; // Extra offset to avoid branch in loop.
slice_width = new int[slices];
// This is divided by comps, since comps pixels are processed at the time
for (uint32 i = 0 ; i < slicesW.size(); i++)
slice_width[i] = slicesW[i] / COMPS;
if (skipX)
slice_width[slicesW.size()-1] -= skipX;
// First pixels are obviously not predicted
int p1;
int p2;
int p3;
int p4;
ushort16 *dest = (ushort16*) & draw[offset[0] & 0x0fffffff];
ushort16 *predict = dest;
*dest++ = p1 = (1 << (frame.prec - Pt - 1)) + HuffDecode(dctbl1);
*dest++ = p2 = (1 << (frame.prec - Pt - 1)) + HuffDecode(dctbl2);
*dest++ = p3 = (1 << (frame.prec - Pt - 1)) + HuffDecode(dctbl3);
*dest++ = p4 = (1 << (frame.prec - Pt - 1)) + HuffDecode(dctbl4);
slice = 1;
uint32 pixInSlice = slice_width[0] - 1;
uint32 cw = (frame.w - skipX);
uint32 x = 1; // Skip first pixels on first line.
if (mCanonDoubleHeight)
skipY = frame.h >> 1;
uint32 ch = (frame.h - skipY);
// Fix for Canon 80D mraw format.
// In that format, `frame` is 4032x3402, while `mRaw` is 4536x3024.
// Consequently, the slices in `frame` wrap around (this is taken care of by
// `offset`) and must be decoded fully (without skipY) to fill the image
if (mWrappedCr2Slices)
ch = frame.h;
for (uint32 y = 0;y < ch;y++) {
for (; x < cw ; x++) {
p1 += HuffDecode(dctbl1);
*dest++ = (ushort16)p1;
p2 += HuffDecode(dctbl2);
*dest++ = (ushort16)p2;
p3 += HuffDecode(dctbl3);
*dest++ = (ushort16)p3;
p4 += HuffDecode(dctbl4);
*dest++ = (ushort16)p4;
if (0 == --pixInSlice) { // Next slice
if (slice > slices)
ThrowRDE("LJpegPlain::decodeScanLeft: Ran out of slices");
uint32 o = offset[slice++];
dest = (ushort16*) & draw[o&0x0fffffff]; // Adjust destination for next pixel
if((o&0x0fffffff) > mRaw->pitch*mRaw->dim.y)
ThrowRDE("LJpegPlain::decodeScanLeft: Offset out of bounds");
pixInSlice = slice_width[o>>28];
}
}
if (skipX) {
for (uint32 i = 0; i < skipX; i++) {
HuffDecode(dctbl1);
HuffDecode(dctbl2);
HuffDecode(dctbl3);
HuffDecode(dctbl4);
}
}
bits->checkPos();
p1 = predict[0]; // Predictors for next row
p2 = predict[1];
p3 = predict[2]; // Predictors for next row
p4 = predict[3];
predict = dest; // Adjust destination for next prediction
x = 0;
}
}
RawImage Rw2Decoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(PANASONIC_STRIPOFFSET);
bool isOldPanasonic = FALSE;
if (data.empty()) {
if (!mRootIFD->hasEntryRecursive(STRIPOFFSETS))
ThrowRDE("RW2 Decoder: No image data found");
isOldPanasonic = TRUE;
data = mRootIFD->getIFDsWithTag(STRIPOFFSETS);
}
TiffIFD* raw = data[0];
uint32 height = raw->getEntry((TiffTag)3)->getShort();
uint32 width = raw->getEntry((TiffTag)2)->getShort();
if (isOldPanasonic) {
ThrowRDE("Cannot decode old-style Panasonic RAW files");
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
if (offsets->count != 1) {
ThrowRDE("RW2 Decoder: Multiple Strips found: %u", offsets->count);
}
int off = offsets->getInt();
if (!mFile->isValid(off))
ThrowRDE("Panasonic RAW Decoder: Invalid image data offset, cannot decode.");
int count = counts->getInt();
if (count != (int)(width*height*2))
ThrowRDE("Panasonic RAW Decoder: Byte count is wrong.");
if (!mFile->isValid(off+count))
ThrowRDE("Panasonic RAW Decoder: Invalid image data offset, cannot decode.");
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
ByteStream input_start(mFile->getData(off), mFile->getSize() - off);
iPoint2D pos(0, 0);
readUncompressedRaw(input_start, mRaw->dim,pos, width*2, 16, BitOrder_Plain);
} else {
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
TiffEntry *offsets = raw->getEntry(PANASONIC_STRIPOFFSET);
if (offsets->count != 1) {
ThrowRDE("RW2 Decoder: Multiple Strips found: %u", offsets->count);
}
load_flags = 0x2008;
int off = offsets->getInt();
if (!mFile->isValid(off))
ThrowRDE("RW2 Decoder: Invalid image data offset, cannot decode.");
input_start = new ByteStream(mFile->getData(off), mFile->getSize() - off);
DecodeRw2();
}
// Read blacklevels
if (raw->hasEntry((TiffTag)0x1c) && raw->hasEntry((TiffTag)0x1d) && raw->hasEntry((TiffTag)0x1e)) {
mRaw->blackLevelSeparate[0] = raw->getEntry((TiffTag)0x1c)->getInt() + 15;
mRaw->blackLevelSeparate[1] = mRaw->blackLevelSeparate[2] = raw->getEntry((TiffTag)0x1d)->getInt() + 15;
mRaw->blackLevelSeparate[3] = raw->getEntry((TiffTag)0x1e)->getInt() + 15;
}
return mRaw;
}
RawImage NefDecoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
if (data.empty())
ThrowRDE("NEF Decoder: No image data found");
TiffIFD* raw = data[0];
int compression = raw->getEntry(COMPRESSION)->getInt();
data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("NEF Decoder: No model data found");
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
if (!data[0]->getEntry(MODEL)->getString().compare("NIKON D100 ")) { /**Sigh**/
if (!mFile->isValid(offsets->getInt()))
ThrowRDE("NEF Decoder: Image data outside of file.");
if (!D100IsCompressed(offsets->getInt())) {
DecodeD100Uncompressed();
return mRaw;
}
}
if (compression == 1 || (hints.find(string("force_uncompressed")) != hints.end()) ||
NEFIsUncompressed(raw)) {
DecodeUncompressed();
return mRaw;
}
if (NEFIsUncompressedRGB(raw)) {
DecodeSNefUncompressed();
return mRaw;
}
if (offsets->count != 1) {
ThrowRDE("NEF Decoder: Multiple Strips found: %u", offsets->count);
}
if (counts->count != offsets->count) {
ThrowRDE("NEF Decoder: Byte count number does not match strip size: count:%u, strips:%u ", counts->count, offsets->count);
}
if (!mFile->isValid(offsets->getInt(), counts->getInt()))
ThrowRDE("NEF Decoder: Invalid strip byte count. File probably truncated.");
if (34713 != compression)
ThrowRDE("NEF Decoder: Unsupported compression");
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
data = mRootIFD->getIFDsWithTag((TiffTag)0x8c);
if (data.empty())
ThrowRDE("NEF Decoder: Decompression info tag not found");
TiffEntry *meta;
if (data[0]->hasEntry((TiffTag)0x96)) {
meta = data[0]->getEntry((TiffTag)0x96);
} else {
meta = data[0]->getEntry((TiffTag)0x8c); // Fall back
}
try {
NikonDecompressor decompressor(mFile, mRaw);
decompressor.uncorrectedRawValues = uncorrectedRawValues;
ByteStream* metastream;
if (getHostEndianness() == data[0]->endian)
metastream = new ByteStream(meta->getData(), meta->count);
else
metastream = new ByteStreamSwap(meta->getData(), meta->count);
decompressor.DecompressNikon(metastream, width, height, bitPerPixel, offsets->getInt(), counts->getInt());
delete metastream;
} catch (IOException &e) {
mRaw->setError(e.what());
// Let's ignore it, it may have delivered somewhat useful data.
}
return mRaw;
}
void NefDecoder::DecodeUncompressed() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
TiffIFD* raw = FindBestImage(&data);
uint32 nslices = raw->getEntry(STRIPOFFSETS)->count;
const uint32 *offsets = raw->getEntry(STRIPOFFSETS)->getIntArray();
const uint32 *counts = raw->getEntry(STRIPBYTECOUNTS)->getIntArray();
uint32 yPerSlice = raw->getEntry(ROWSPERSTRIP)->getInt();
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();
vector<NefSlice> slices;
uint32 offY = 0;
for (uint32 s = 0; s < nslices; s++) {
NefSlice slice;
slice.offset = offsets[s];
slice.count = counts[s];
if (offY + yPerSlice > height)
slice.h = height - offY;
else
slice.h = yPerSlice;
offY += yPerSlice;
if (mFile->isValid(slice.offset + slice.count)) // Only decode if size is valid
slices.push_back(slice);
}
if (0 == slices.size())
ThrowRDE("NEF Decoder: No valid slices found. File probably truncated.");
mRaw->dim = iPoint2D(width, offY);
mRaw->createData();
if (bitPerPixel == 14 && width*slices[0].h*2 == slices[0].count)
bitPerPixel = 16; // D3
offY = 0;
for (uint32 i = 0; i < slices.size(); i++) {
NefSlice slice = slices[i];
ByteStream in(mFile->getData(slice.offset), slice.count);
iPoint2D size(width, slice.h);
iPoint2D pos(0, offY);
try {
if (hints.find(string("coolpixmangled")) != hints.end())
readCoolpixMangledRaw(in, size, pos, width*bitPerPixel / 8);
else if (hints.find(string("coolpixsplit")) != hints.end())
readCoolpixSplitRaw(in, size, pos, width*bitPerPixel / 8);
else
readUncompressedRaw(in, size, pos, width*bitPerPixel / 8, bitPerPixel, true);
} catch (RawDecoderException e) {
if (i>0)
mRaw->setError(e.what());
else
throw;
} catch (IOException e) {
if (i>0)
mRaw->setError(e.what());
else
ThrowRDE("NEF decoder: IO error occurred in first slice, unable to decode more. Error is: %s", e.what());
}
offY += slice.h;
}
}
RawImage NefDecoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
if (data.empty())
ThrowRDE("NEF Decoder: No image data found");
TiffIFD* raw = data[0];
int compression = raw->getEntry(COMPRESSION)->getInt();
data = mRootIFD->getIFDsWithTag(MODEL);
if (data.empty())
ThrowRDE("NEF Decoder: No model data found");
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
if (!data[0]->getEntry(MODEL)->getString().compare("NIKON D100 ")) { /**Sigh**/
if (!mFile->isValid(offsets->getInt()))
ThrowRDE("NEF Decoder: Image data outside of file.");
if (!D100IsCompressed(offsets->getInt())) {
DecodeD100Uncompressed();
return mRaw;
}
}
if (compression == 1) {
DecodeUncompressed();
return mRaw;
}
if (offsets->count != 1) {
ThrowRDE("NEF Decoder: Multiple Strips found: %u", offsets->count);
}
if (counts->count != offsets->count) {
ThrowRDE("NEF Decoder: Byte count number does not match strip size: count:%u, strips:%u ", counts->count, offsets->count);
}
if (!mFile->isValid(offsets->getInt() + counts->getInt()))
ThrowRDE("NEF Decoder: Invalid strip byte count. File probably truncated.");
if (34713 != compression)
ThrowRDE("NEF Decoder: Unsupported compression");
uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
data = mRootIFD->getIFDsWithTag(MAKERNOTE);
if (data.empty())
ThrowRDE("NEF Decoder: No EXIF data found");
TiffIFD* exif = data[0];
TiffEntry *makernoteEntry = exif->getEntry(MAKERNOTE);
const uchar8* makernote = makernoteEntry->getData();
FileMap makermap((uchar8*)&makernote[10], mFile->getSize() - makernoteEntry->getDataOffset() - 10);
TiffParser makertiff(&makermap);
makertiff.parseData();
data = makertiff.RootIFD()->getIFDsWithTag((TiffTag)0x8c);
if (data.empty())
ThrowRDE("NEF Decoder: Decompression info tag not found");
TiffEntry *meta;
try {
meta = data[0]->getEntry((TiffTag)0x96);
} catch (TiffParserException) {
meta = data[0]->getEntry((TiffTag)0x8c); // Fall back
}
try {
NikonDecompressor decompressor(mFile, mRaw);
ByteStream* metastream;
if (getHostEndianness() == data[0]->endian)
metastream = new ByteStream(meta->getData(), meta->count);
else
metastream = new ByteStreamSwap(meta->getData(), meta->count);
decompressor.DecompressNikon(metastream, width, height, bitPerPixel, offsets->getInt(), counts->getInt());
delete metastream;
} catch (IOException &e) {
mRaw->setError(e.what());
// Let's ignore it, it may have delivered somewhat useful data.
}
return mRaw;
}
RawImage Cr2Decoder::decodeRawInternal() {
if(hints.find("old_format") != hints.end()) {
uint32 off = 0;
if (mRootIFD->getEntryRecursive((TiffTag)0x81))
off = mRootIFD->getEntryRecursive((TiffTag)0x81)->getInt();
else {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
if (data.empty())
ThrowRDE("CR2 Decoder: Couldn't find offset");
else {
if (data[0]->hasEntry(STRIPOFFSETS))
off = data[0]->getEntry(STRIPOFFSETS)->getInt();
else
ThrowRDE("CR2 Decoder: Couldn't find offset");
}
}
ByteStream *b;
if (getHostEndianness() == big)
b = new ByteStream(mFile, off+41);
else
b = new ByteStreamSwap(mFile, off+41);
uint32 height = b->getShort();
uint32 width = b->getShort();
// Every two lines can be encoded as a single line, probably to try and get
// better compression by getting the same RGBG sequence in every line
if(hints.find("double_line_ljpeg") != hints.end()) {
height *= 2;
mRaw->dim = iPoint2D(width*2, height/2);
}
else {
width *= 2;
mRaw->dim = iPoint2D(width, height);
}
mRaw->createData();
LJpegPlain *l = new LJpegPlain(mFile, mRaw);
try {
l->startDecoder(off, mFile->getSize()-off, 0, 0);
} catch (IOException& e) {
mRaw->setError(e.what());
}
delete l;
if(hints.find("double_line_ljpeg") != hints.end()) {
// We now have a double width half height image we need to convert to the
// normal format
iPoint2D final_size(width, height);
RawImage procRaw = RawImage::create(final_size, TYPE_USHORT16, 1);
procRaw->metadata = mRaw->metadata;
procRaw->copyErrorsFrom(mRaw);
for (uint32 y = 0; y < height; y++) {
ushort16 *dst = (ushort16*)procRaw->getData(0,y);
ushort16 *src = (ushort16*)mRaw->getData(y%2 == 0 ? 0 : width, y/2);
for (uint32 x = 0; x < width; x++)
dst[x] = src[x];
}
mRaw = procRaw;
}
if (mRootIFD->getEntryRecursive((TiffTag)0x123)) {
TiffEntry *curve = mRootIFD->getEntryRecursive((TiffTag)0x123);
if (curve->type == TIFF_SHORT && curve->count == 4096) {
TiffEntry *linearization = mRootIFD->getEntryRecursive((TiffTag)0x123);
uint32 len = linearization->count;
ushort16 *table = new ushort16[len];
linearization->getShortArray(table, len);
if (!uncorrectedRawValues) {
mRaw->setTable(table, 4096, true);
// Apply table
mRaw->sixteenBitLookup();
// Delete table
mRaw->setTable(NULL);
} else {
// We want uncorrected, but we store the table.
mRaw->setTable(table, 4096, false);
}
}
}
return mRaw;
}
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag((TiffTag)0xc5d8);
if (data.empty())
ThrowRDE("CR2 Decoder: No image data found");
TiffIFD* raw = data[0];
mRaw = RawImage::create();
mRaw->isCFA = true;
vector<Cr2Slice> slices;
int completeH = 0;
bool doubleHeight = false;
try {
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
// Iterate through all slices
for (uint32 s = 0; s < offsets->count; s++) {
Cr2Slice slice;
slice.offset = offsets[0].getInt();
slice.count = counts[0].getInt();
SOFInfo sof;
LJpegPlain *l = new LJpegPlain(mFile, mRaw);
l->getSOF(&sof, slice.offset, slice.count);
delete l;
slice.w = sof.w * sof.cps;
slice.h = sof.h;
if (sof.cps == 4 && slice.w > slice.h * 4) {
doubleHeight = true;
}
if (!slices.empty())
if (slices[0].w != slice.w)
ThrowRDE("CR2 Decoder: Slice width does not match.");
if (mFile->isValid(slice.offset, slice.count)) // Only decode if size is valid
slices.push_back(slice);
completeH += slice.h;
}
} catch (TiffParserException) {
ThrowRDE("CR2 Decoder: Unsupported format.");
}
// Override with canon_double_height if set.
map<string,string>::iterator msb_hint = hints.find("canon_double_height");
if (msb_hint != hints.end())
doubleHeight = (0 == (msb_hint->second).compare("true"));
if (slices.empty()) {
ThrowRDE("CR2 Decoder: No Slices found.");
}
mRaw->dim = iPoint2D(slices[0].w, completeH);
// Fix for Canon 6D mRaw, which has flipped width & height for some part of the image
// In that case, we swap width and height, since this is the correct dimension
bool flipDims = false;
bool wrappedCr2Slices = false;
if (raw->hasEntry((TiffTag)0xc6c5)) {
ushort16 ss = raw->getEntry((TiffTag)0xc6c5)->getInt();
// sRaw
if (ss == 4) {
mRaw->dim.x /= 3;
mRaw->setCpp(3);
mRaw->isCFA = false;
// Fix for Canon 80D mraw format.
// In that format, the frame (as read by getSOF()) is 4032x3402, while the
// real image should be 4536x3024 (where the full vertical slices in
// the frame "wrap around" the image.
if (hints.find("wrapped_cr2_slices") != hints.end() && raw->hasEntry(IMAGEWIDTH) && raw->hasEntry(IMAGELENGTH)) {
wrappedCr2Slices = true;
int w = raw->getEntry(IMAGEWIDTH)->getInt();
int h = raw->getEntry(IMAGELENGTH)->getInt();
if (w * h != mRaw->dim.x * mRaw->dim.y) {
ThrowRDE("CR2 Decoder: Wrapped slices don't match image size");
}
mRaw->dim = iPoint2D(w, h);
}
}
flipDims = mRaw->dim.x < mRaw->dim.y;
if (flipDims) {
int w = mRaw->dim.x;
mRaw->dim.x = mRaw->dim.y;
mRaw->dim.y = w;
}
}
mRaw->createData();
vector<int> s_width;
if (raw->hasEntry(CANONCR2SLICE)) {
TiffEntry *ss = raw->getEntry(CANONCR2SLICE);
for (int i = 0; i < ss->getShort(0); i++) {
s_width.push_back(ss->getShort(1));
}
s_width.push_back(ss->getShort(2));
} else {
s_width.push_back(slices[0].w);
}
uint32 offY = 0;
if (s_width.size() > 15)
ThrowRDE("CR2 Decoder: No more than 15 slices supported");
_RPT1(0,"Org slices:%d\n", s_width.size());
for (uint32 i = 0; i < slices.size(); i++) {
Cr2Slice slice = slices[i];
try {
LJpegPlain *l = new LJpegPlain(mFile, mRaw);
l->addSlices(s_width);
l->mUseBigtable = true;
l->mCanonFlipDim = flipDims;
l->mCanonDoubleHeight = doubleHeight;
l->mWrappedCr2Slices = wrappedCr2Slices;
l->startDecoder(slice.offset, slice.count, 0, offY);
delete l;
} catch (RawDecoderException &e) {
if (i == 0)
throw;
// These may just be single slice error - store the error and move on
mRaw->setError(e.what());
} catch (IOException &e) {
// Let's try to ignore this - it might be truncated data, so something might be useful.
mRaw->setError(e.what());
}
offY += slice.w;
}
if (mRaw->metadata.subsampling.x > 1 || mRaw->metadata.subsampling.y > 1)
sRawInterpolate();
return mRaw;
}
RawImage Cr2Decoder::decodeRawInternal() {
vector<TiffIFD*> data = mRootIFD->getIFDsWithTag((TiffTag)0xc5d8);
if (data.empty())
ThrowRDE("CR2 Decoder: No image data found");
TiffIFD* raw = data[0];
mRaw = RawImage::create();
mRaw->isCFA = true;
vector<Cr2Slice> slices;
int completeH = 0;
try {
TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
// Iterate through all slices
for (uint32 s = 0; s < offsets->count; s++) {
Cr2Slice slice;
slice.offset = offsets[0].getInt();
slice.count = counts[0].getInt();
SOFInfo sof;
LJpegPlain l(mFile, mRaw);
l.getSOF(&sof, slice.offset, slice.count);
slice.w = sof.w * sof.cps;
slice.h = sof.h;
if (!slices.empty())
if (slices[0].w != slice.w)
ThrowRDE("CR2 Decoder: Slice width does not match.");
if (mFile->isValid(slice.offset + slice.count)) // Only decode if size is valid
slices.push_back(slice);
completeH += slice.h;
}
} catch (TiffParserException) {
ThrowRDE("CR2 Decoder: Unsupported format.");
}
if (slices.empty()) {
ThrowRDE("CR2 Decoder: No Slices found.");
}
mRaw->dim = iPoint2D(slices[0].w, completeH);
if (raw->hasEntry((TiffTag)0xc6c5)) {
ushort16 ss = raw->getEntry((TiffTag)0xc6c5)->getInt();
// sRaw
if (ss == 4) {
mRaw->dim.x /= 3;
mRaw->setCpp(3);
mRaw->isCFA = false;
}
}
mRaw->createData();
vector<int> s_width;
if (raw->hasEntry(CANONCR2SLICE)) {
const ushort16 *ss = raw->getEntry(CANONCR2SLICE)->getShortArray();
for (int i = 0; i < ss[0]; i++) {
s_width.push_back(ss[1]);
}
s_width.push_back(ss[2]);
} else {
s_width.push_back(slices[0].w);
}
uint32 offY = 0;
if (s_width.size() > 15)
ThrowRDE("CR2 Decoder: No more than 15 slices supported");
_RPT1(0,"Org slices:%d\n", s_width.size());
for (uint32 i = 0; i < slices.size(); i++) {
Cr2Slice slice = slices[i];
try {
LJpegPlain l(mFile, mRaw);
l.addSlices(s_width);
l.mUseBigtable = true;
l.startDecoder(slice.offset, slice.count, 0, offY);
} catch (RawDecoderException &e) {
if (i == 0)
throw;
// These may just be single slice error - store the error and move on
errors.push_back(_strdup(e.what()));
} catch (IOException &e) {
// Let's try to ignore this - it might be truncated data, so something might be useful.
errors.push_back(_strdup(e.what()));
}
offY += slice.w;
}
if (mRaw->subsampling.x > 1 || mRaw->subsampling.y > 1)
sRawInterpolate();
return mRaw;
}
