/* -*- tab-width:4; c-basic-offset:4 -*- */
/*
* libopenraw - neffile.cpp
*
* Copyright (C) 2006-2017 Hubert Figuière
* 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 <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include <cstdint>
#include <memory>
#include <vector>
#include <libopenraw/cameraids.h>
#include <libopenraw/consts.h>
#include <libopenraw/debug.h>
#include "cfapattern.hpp"
#include "rawdata.hpp"
#include "rawfile.hpp"
#include "trace.hpp"
#include "ifd.hpp"
#include "ifdfilecontainer.hpp"
#include "ifdentry.hpp"
#include "makernotedir.hpp"
#include "nefdiffiterator.hpp"
#include "nefcfaiterator.hpp"
#include "neffile.hpp"
#include "rawcontainer.hpp"
#include "rawfile_private.hpp"
using namespace Debug;
namespace OpenRaw {
namespace Internals {
#define OR_MAKE_NIKON_TYPEID(camid) \
OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_NIKON,camid)
/* taken from dcraw, by default */
static const BuiltinColourMatrix s_matrices[] = {
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1),
0,
0, /* multiplied by 2.218750, 1.0, 1.148438 */
{ 16772,-4726,-2141,-7611,15713,1972,-2846,3494,9521 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D100),
0,
0,
{ 5902,-933,-782,-8983,16719,2354,-1402,1455,6464 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1X),
0,
0,
{ 7702,-2245,-975,-9114,17242,1875,-2679,3055,8521 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D200),
0,
0xfbc,
{ 8367,-2248,-763,-8758,16447,2422,-1527,1550,8053 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2H),
0,
0,
{ 5710,-901,-615,-8594,16617,2024,-2975,4120,6830 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2X),
0,
0,
{ 10231,-2769,-1255,-8301,15900,2552,-797,680,7148 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3),
0,
0,
{ 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3S),
0,
0,
{ 8828,-2406,-694,-4874,12603,2541,-660,1509,7587 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3X),
0,
0,
{ 7171,-1986,-648,-8085,15555,2718,-2170,2512,7457 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300),
0,
0,
{ 9030,-1992,-715,-8465,16302,2255,-2689,3217,8069 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300S),
0,
0,
{ 9030,-1992,-715,-8465,16302,2255,-2689,3217,8069 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3000),
0,
0,
{ 8736,-2458,-935,-9075,16894,2251,-1354,1242,8263 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3100),
0,
0,
{ 7911,-2167,-813,-5327,13150,2408,-1288,2483,7968 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3200),
0,
0xfb9,
{ 7013, -1408, -635, -5268, 12902, 2640, -1470, 2801, 7379 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3300),
0,
0,
{ 6988, -1384, -714, -5631, 13410, 2447, -1485, 2204, 7318 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4),
0,
0,
{ 8598, -2848, -857, -5618, 13606, 2195, -1002, 1773, 7137 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4S),
0,
0,
{ 8598, -2848, -857, -5618, 13606, 2195, -1002, 1773, 7137 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40),
0,
0,
{ 6992,-1668,-806,-8138,15748,2543,-874,850,7897 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40X),
0,
0,
{ 8819,-2543,-911,-9025,16928,2151,-1329,1213,8449 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5),
0,
0,
{ 9200,-3522,-992,-5755,13803,2117,-753,1486,6338 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D50),
0,
0,
{ 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D500),
0,
0,
{ 8813, -3210, -1036, -4703, 12868, 2021, -1054, 1940, 6129 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5000),
0,
0xf00,
{ 7309,-1403,-519,-8474,16008,2622,-2433,2826,8064 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5100),
0,
0x3de6,
{ 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5200),
0,
0,
{ 8322,-3112,-1047,-6367,14342,2179,-988,1638,6394 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5300),
0,
0,
{ 6988, -1384, -714, -5631, 13410, 2447, -1485, 2204, 7318 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5500),
0,
0,
{ 8821, -2938, -785, -4178, 12142, 2287, -824, 1651, 6860 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D60),
0,
0,
{ 8736,-2458,-935,-9075,16894,2251,-1354,1242,8263 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D600),
0,
0,
{ 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D610),
0,
0,
{ 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70),
0,
0,
{ 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70S),
0,
0,
{ 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D700),
0,
0,
{ 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7000),
0,
0,
{ 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7100),
0,
0,
{ 8322,-3112,-1047,-6367,14342,2179,-988,1638,6394 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7200),
0,
0,
{ 8322, -3112, -1047, -6367, 14342, 2179, -988, 1638, 6394 } },
// From DNG Converter 8.7-rc
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D750),
0,
0,
{ 9020, -2890, -715, -4535, 12436, 2348, -934, 1919, 7086 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D80),
0,
0,
{ 8629,-2410,-883,-9055,16940,2171,-1490,1363,8520 } },
// From DNG Converter 7.1-rc
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800),
0,
0,
{ 7866, -2108, -555, -4869, 12483, 2681, -1176, 2069, 7501 } },
// From DNG Converter 7.1-rc
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800E),
0,
0,
{ 7866, -2108, -555, -4869, 12483, 2681, -1176, 2069, 7501 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D810),
0,
0,
{ 9369, -3195, -791, -4488, 12430, 2301, -893, 1796, 6872 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D90),
0,
0xf00,
{ 7309,-1403,-519,-8474,16008,2622,-2434,2826,8064 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_DF),
0,
0,
{ 8598,-2848,-857,-5618,13606,2195,-1002,1773,7137 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5400),
0,
0,
{ 9349,-2987,-1001,-7919,15766,2266,-2098,2680,6839 } },
// { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5700), 0, 0,
// { -5368,11478,2368,5537,-113,3148,-4969,10021,5782,778,9028,211 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E8400),
0,
0,
{ 7842,-2320,-992,-8154,15718,2599,-1098,1342,7560 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P6000),
0,
0,
{ 9698,-3367,-914,-4706,12584,2368,-837,968,5801 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7000),
0,
0,
{ 11432,-3679,-1111,-3169,11239,2202,-791,1380,4455 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7100),
0,
0,
{ 11053,-4269,-1024,-1976,10182,2088,-526,1263,4469 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7700),
0,
0,
{ 10321,-3920,-931,-2750,11146,1824,-442,1545,5539 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_AW1),
0,
0,
{ 6588, -1305, -693, -3277, 10987, 2634, -355, 2016, 5106 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J1),
0,
0,
{ 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J2),
0,
0,
{ 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J3),
0,
0,
{ 6588,-1305,-693,-3277,10987,2634,-355,2016,5106 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J4),
0,
0,
{ 5958, -1559, -571, -4021, 11453, 2939, -634, 1548, 5087 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J5),
0,
0,
{ 7520, -2518, -645, -3844, 12102, 1945, -913, 2249, 6835 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V1),
0,
0,
{ 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V2),
0,
0,
{ 6588,-1305,-693,-3277,10987,2634,-355,2016,5106 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V3),
0,
0,
{ 5958, -1559, -571, -4021, 11453, 2939, -634, 1548, 5087 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S1),
0,
0,
{ 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S2),
0,
0,
{ 6612, -1342, -618, -3338, 11055, 2623, -174, 1792, 5075 } },
// From DNG Converter 7.4
{ OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_A),
0,
0,
{ 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
{ 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
};
const IfdFile::camera_ids_t NefFile::s_def[] = {
{ "NIKON D1 ", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1) },
{ "NIKON D100 ", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D100) },
{ "NIKON D1X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1X) },
{ "NIKON D200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D200) },
{ "NIKON D2H", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2H ) },
{ "NIKON D2X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2X ) },
{ "NIKON D3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3) },
{ "NIKON D3S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3S) },
{ "NIKON D3X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3X) },
{ "NIKON D300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300) },
{ "NIKON D300S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300S) },
{ "NIKON D3000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3000) },
{ "NIKON D3100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3100) },
{ "NIKON D3200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3200) },
{ "NIKON D3300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3300) },
{ "NIKON D3400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3400) },
{ "NIKON D4", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4) },
{ "NIKON D4S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4S) },
{ "NIKON D40", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40) },
{ "NIKON D40X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40X) },
{ "NIKON D5", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5) },
{ "NIKON D50", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D50) },
{ "NIKON D500", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D500) },
{ "NIKON D5000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5000) },
{ "NIKON D5100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5100) },
{ "NIKON D5200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5200) },
{ "NIKON D5300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5300) },
{ "NIKON D5500", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5500) },
{ "NIKON D5600", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5600) },
{ "NIKON D60", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D60) },
{ "NIKON D600", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D600) },
{ "NIKON D610", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D610) },
{ "NIKON D70", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70) },
{ "NIKON D70s", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70S) },
{ "NIKON D700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D700) },
{ "NIKON D7000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7000) },
{ "NIKON D7100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7100) },
{ "NIKON D7200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7200) },
{ "NIKON D750", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D750) },
{ "NIKON D80", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D80) },
{ "NIKON D800", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800) },
{ "NIKON D800E", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800E) },
{ "NIKON D810", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D810) },
{ "NIKON D90", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D90) },
{ "NIKON Df", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_DF) },
{ "E5400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5400) },
{ "E5700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5700) },
{ "E8400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E8400) },
{ "COOLPIX P6000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P6000) },
{ "COOLPIX P7000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7000) },
{ "COOLPIX P7100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7100) },
{ "COOLPIX P7700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7700) },
{ "COOLPIX A", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_A) },
{ "NIKON 1 J1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J1) },
{ "NIKON 1 J2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J2) },
{ "NIKON 1 J3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J3) },
{ "NIKON 1 J4", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J4) },
{ "NIKON 1 J5", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J5) },
{ "NIKON 1 V1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V1) },
{ "NIKON 1 V2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V2) },
{ "NIKON 1 V3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V3) },
{ "NIKON 1 S1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S1) },
{ "NIKON 1 S2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S2) },
{ "NIKON 1 AW1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_AW1) },
{ 0, 0 }
};
RawFile *NefFile::factory(const IO::Stream::Ptr & _filename)
{
return new NefFile(_filename);
}
NefFile::NefFile(const IO::Stream::Ptr & _filename)
: TiffEpFile(_filename, OR_RAWFILE_TYPE_NEF)
{
_setIdMap(s_def);
_setMatrices(s_matrices);
}
NefFile::~NefFile()
{
}
bool NefFile::isCompressed(RawContainer & container, uint32_t offset)
{
int i;
uint8_t buf[256];
size_t real_size = container.fetchData(buf, offset,
256);
if(real_size != 256) {
return true;
}
for(i = 15; i < 256; i+= 16) {
if(buf[i]) {
LOGDBG1("isCompressed: true\n");
return true;
}
}
LOGDBG1("isCompressed: false\n");
return false;
}
::or_error NefFile::_decompressNikonQuantized(RawData & data)
{
NEFCompressionInfo c;
if (!_getCompressionCurve(data, c)) {
LOGERR("compression curve not found\n");
return OR_ERROR_NOT_FOUND;
}
const uint32_t rows = data.height();
const uint32_t raw_columns = data.width();
//FIXME: not always true
const uint32_t columns = raw_columns - 1;
NefDiffIterator
diffs(c.huffman, static_cast<uint8_t*>(data.data()), data.size());
NefCfaIterator iter(diffs, rows, raw_columns, c.vpred);
RawData newData;
uint16_t *p = (uint16_t *) newData.allocData(rows * columns * 2);
newData.setDimensions(columns, rows);
newData.setDataType(OR_DATA_TYPE_RAW);
uint16_t bpc = data.bpc();
newData.setBpc(bpc);
newData.setWhiteLevel((1 << bpc) - 1);
newData.setCfaPatternType(data.cfaPattern()->patternType());
for (unsigned int i = 0; i < rows; i++) {
for (unsigned int j = 0; j < raw_columns; j++) {
uint16_t t = iter.get();
if (j < columns) {
unsigned shift = 16 - data.bpc();
p[i * columns + j] = c.curve[t & 0x3fff] << shift;
}
}
}
data.swap(newData);
return OR_ERROR_NONE;
}
::or_error NefFile::_decompressIfNeeded(RawData & data,
uint32_t options)
{
uint32_t compression = data.compression();
if((options & OR_OPTIONS_DONT_DECOMPRESS) ||
compression == IFD::COMPRESS_NONE) {
return OR_ERROR_NONE;
} else if(compression == IFD::COMPRESS_NIKON_QUANTIZED) {
return _decompressNikonQuantized(data);
} else {
return OR_ERROR_INVALID_FORMAT;
}
}
bool
NefFile::_getCompressionCurve(RawData & data, NefFile::NEFCompressionInfo& c)
{
MakerNoteDir::Ref _makerNoteIfd = makerNoteIfd();
if(!_makerNoteIfd) {
LOGERR("makernote not found\n");
return false;
}
IfdEntry::Ref curveEntry = _makerNoteIfd->getEntry(IFD::MNOTE_NIKON_NEFDECODETABLE2);
if(!curveEntry) {
LOGERR("decode table2 tag not found\n");
return false;
}
size_t pos = _makerNoteIfd->getMnoteOffset() + curveEntry->offset();
auto file = m_container->file();
file->seek(pos, SEEK_SET);
uint16_t bpc = data.bpc();
uint8_t header0, header1;
auto result = m_container->readUInt8(file);
if(result.empty()) {
LOGERR("Header not found\n");
return false;
}
header0 = result.unwrap();
result = m_container->readUInt8(file);
if(result.empty()) {
LOGERR("Header not found\n");
return false;
}
header1 = result.unwrap();
if (header0 == 0x49) {
// some interesting stuff at 2110
// XXX we need to implement this.
LOGWARN("NEF: header0 is 0x49 - case not yet handled\n");
m_container->skip(2110);
}
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 2; ++j) {
auto result16 = m_container->readInt16(file);
if(result16.empty()) {
LOGERR("Failed to read vpred (%d,%d)\n", i, j);
return false;
}
c.vpred[i][j] = result16.unwrap();
}
}
LOGDBG2("header0 = %d header1 = %d bpc = %u\n", header0, header1, bpc);
bool header_ok = false;
// header0 == 0x44 || 0x49 -> lossy
// header0 == 0x46 -> lossless
if (header0 == 0x44 || header0 == 0x49) {
if (bpc == 12) {
c.huffman = NefDiffIterator::Lossy12Bit;
LOGDBG1("12 bits lossy %u\n", bpc);
header_ok = true;
} else if (bpc == 14) {
c.huffman = NefDiffIterator::Lossy14Bit;
LOGDBG1("14 bits lossy %u\n", bpc);
header_ok = true;
}
} else if (header0 == 0x46) {
if (bpc == 14) {
c.huffman = NefDiffIterator::LossLess14Bit;
LOGDBG1("14 bits lossless\n");
header_ok = true;
} else if (bpc == 12) {
// c.huffman = NefDiffIterator::LossLess12Bit;
LOGDBG1("12 bits lossless\n");
LOGERR("12 bits lossless isn't yet supported\n");
header_ok = true;
return false;
}
}
if (!header_ok) {
LOGERR("Wrong header, found %d-%d\n", header0, header1);
return false;
}
// number of elements in the curve
size_t nelems;
nelems = m_container->readInt16(file).unwrap_or(0);
LOGDBG1("Num elems %ld\n", nelems);
uint32_t ceiling = 1 << bpc & 0x7fff;
uint32_t step = 0;
if (nelems > 1) {
step = ceiling / (nelems - 1);
}
LOGDBG1("ceiling %u, step = %u\n", ceiling, step);
if (header0 == 0x44 && header1 == 0x20 && step > 0) {
for (size_t i = 0; i < nelems; ++i) {
auto result16 = m_container->readInt16(file);
if (result16.empty()) {
LOGERR("NEF: short read\n");
return false;
}
c.curve[i * step] = result16.unwrap();
}
for (size_t i = 0; i < ceiling; ++i) {
c.curve[i] = (c.curve[i - i % step] * (step - i % step) +
c.curve[i - i % step + step] * (i % step)) / step;
}
// split flag is at offset 562.
// XXX
} else if (header0 != 0x46 && nelems <= 0x4001) {
size_t num_read = m_container->readUInt16Array(file, c.curve, nelems);
if (num_read < nelems) {
LOGERR("NEF: short read of %ld elements instead of %ld\n", num_read, nelems);
return false;
}
ceiling = nelems;
}
auto black = c.curve[0];
auto white = c.curve[ceiling - 1];
for (size_t i = ceiling; i < 0x8000; i++) {
c.curve[i] = white;
}
data.setBlackLevel(black);
data.setWhiteLevel(white);
LOGDBG1("black %u white %u\n", black, white);
return true;
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0))
indent-tabs-mode:nil
fill-column:80
End:
*/