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 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 {
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;
}
