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/*
* libopenraw - cr2file.cpp
*
* Copyright (C) 2006-2008 Hubert Figuiere
* Copyright (C) 2008 Novell, Inc.
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <boost/scoped_ptr.hpp>
#include <boost/any.hpp>
#include <libopenraw/libopenraw.h>
#include <libopenraw++/thumbnail.h>
#include <libopenraw++/rawdata.h>
#include "debug.h"
#include "io/file.h"
#include "io/memstream.h"
#include "ifdfilecontainer.h"
#include "ifd.h"
#include "cr2file.h"
#include "jfifcontainer.h"
#include "ljpegdecompressor.h"
#include "rawfilefactory.h"
using namespace Debug;
namespace OpenRaw {
namespace Internals {
const IFDFile::camera_ids_t Cr2File::s_def[] = {
{ "Canon EOS-1D Mark II", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_1DMKII) },
{ "Canon EOS-1D Mark III", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_1DMKIII) },
{ "Canon EOS-1Ds Mark II", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_1DSMKII) },
{ "Canon EOS-1Ds Mark III", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_1DSMKIII) },
{ "Canon EOS 20D" , OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_20D) },
{ "Canon EOS 20Da", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_20DA) },
{ "Canon EOS 30D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_30D) },
{ "Canon EOS 350D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_350D) },
{ "Canon EOS 40D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_40D) },
{ "Canon EOS 400D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_400D) },
{ "Canon EOS 450D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_450D) },
{ "Canon EOS 5D", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_5D) },
{ "Canon PowerShot G9", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,
OR_TYPEID_CANON_G9) },
{ 0, 0 }
};
RawFile *Cr2File::factory(IO::Stream * s)
{
return new Cr2File(s);
}
Cr2File::Cr2File(IO::Stream * s)
: IFDFile(s, OR_RAWFILE_TYPE_CR2)
{
_setIdMap(s_def);
}
Cr2File::~Cr2File()
{
}
IFDDir::Ref Cr2File::_locateCfaIfd()
{
return m_container->setDirectory(3);
}
IFDDir::Ref Cr2File::_locateMainIfd()
{
return m_container->setDirectory(0);
}
::or_error Cr2File::_getRawData(RawData & data, uint32_t options)
{
::or_error ret = OR_ERROR_NONE;
if(!m_cfaIfd) {
m_cfaIfd = _locateCfaIfd();
}
if(!m_cfaIfd) {
Trace(DEBUG1) << "cfa IFD not found\n";
return OR_ERROR_NOT_FOUND;
}
Trace(DEBUG1) << "_getRawData()\n";
uint32_t offset = 0;
uint32_t byte_length = 0;
bool got_it;
got_it = m_cfaIfd->getValue(IFD::EXIF_TAG_STRIP_OFFSETS, offset);
if(!got_it) {
Trace(DEBUG1) << "offset not found\n";
return OR_ERROR_NOT_FOUND;
}
got_it = m_cfaIfd->getValue(IFD::EXIF_TAG_STRIP_BYTE_COUNTS, byte_length);
if(!got_it) {
Trace(DEBUG1) << "byte len not found\n";
return OR_ERROR_NOT_FOUND;
}
// get the "slicing", tag 0xc640 (3 SHORT)
std::vector<uint16_t> slices;
IFDEntry::Ref e = m_cfaIfd->getEntry(IFD::EXIF_TAG_CR2_SLICE);
if (e) {
e->getArray(slices);
Trace(DEBUG1) << "Found slice entry " << slices << "\n";
}
if(!m_exifIfd) {
m_exifIfd = _locateExifIfd();
}
if (m_exifIfd) {
uint16_t x, y;
x = 0;
y = 0;
got_it = m_exifIfd->getValue(IFD::EXIF_TAG_PIXEL_X_DIMENSION, x);
if(!got_it) {
Trace(DEBUG1) << "X not found\n";
return OR_ERROR_NOT_FOUND;
}
got_it = m_exifIfd->getValue(IFD::EXIF_TAG_PIXEL_Y_DIMENSION, y);
if(!got_it) {
Trace(DEBUG1) << "Y not found\n";
return OR_ERROR_NOT_FOUND;
}
void *p = data.allocData(byte_length);
size_t real_size = m_container->fetchData(p, offset,
byte_length);
if (real_size < byte_length) {
Trace(WARNING) << "Size mismatch for data: ignoring.\n";
}
data.setCfaPattern(OR_CFA_PATTERN_RGGB);
data.setDataType(OR_DATA_TYPE_COMPRESSED_CFA);
data.setDimensions(x, y);
Trace(DEBUG1) << "In size is " << data.x()
<< "x" << data.y() << "\n";
// decompress if we need
if((options & OR_OPTIONS_DONT_DECOMPRESS) == 0) {
boost::scoped_ptr<IO::Stream> s(new IO::MemStream(data.data(),
data.size()));
s->open(); // TODO check success
boost::scoped_ptr<JFIFContainer> jfif(new JFIFContainer(s.get(), 0));
LJpegDecompressor decomp(s.get(), jfif.get());
// in fact on Canon CR2 files slices either do not exists
// or is 3.
if(slices.size() > 1) {
decomp.setSlices(slices);
}
RawData *dData = decomp.decompress();
if (dData != NULL) {
Trace(DEBUG1) << "Out size is " << dData->x()
<< "x" << dData->y() << "\n";
// must re-set the cfaPattern
dData->setCfaPattern(data.cfaPattern());
data.swap(*dData);
delete dData;
}
}
}
else {
Trace(ERROR) << "unable to find ExifIFD\n";
ret = OR_ERROR_NOT_FOUND;
}
return ret;
}
}
}
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