libopenraw
neffile.cpp
1 /* -*- tab-width:4; c-basic-offset:4 -*- */
2 /*
3  * libopenraw - neffile.cpp
4  *
5  * Copyright (C) 2006-2017 Hubert Figuière
6  * Copyright (C) 2008 Novell, Inc.
7  *
8  * This library is free software: you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation, either version 3 of
11  * the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library. If not, see
20  * <http://www.gnu.org/licenses/>.
21  */
22 
23 #include <stddef.h>
24 #include <stdio.h>
25 #include <sys/types.h>
26 
27 #include <cstdint>
28 #include <memory>
29 #include <vector>
30 
31 #include <libopenraw/cameraids.h>
32 #include <libopenraw/consts.h>
33 #include <libopenraw/debug.h>
34 
35 #include "cfapattern.hpp"
36 #include "rawdata.hpp"
37 #include "rawfile.hpp"
38 
39 
40 #include "trace.hpp"
41 #include "ifd.hpp"
42 #include "ifdfilecontainer.hpp"
43 #include "ifdentry.hpp"
44 #include "makernotedir.hpp"
45 #include "nefdiffiterator.hpp"
46 #include "nefcfaiterator.hpp"
47 #include "neffile.hpp"
48 #include "rawcontainer.hpp"
49 #include "rawfile_private.hpp"
50 
51 using namespace Debug;
52 
53 namespace OpenRaw {
54 
55 namespace Internals {
56 
57 #define OR_MAKE_NIKON_TYPEID(camid) \
58  OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_NIKON,camid)
59 
60 /* taken from dcraw, by default */
61 static const BuiltinColourMatrix s_matrices[] = {
62  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1),
63  0,
64  0, /* multiplied by 2.218750, 1.0, 1.148438 */
65  { 16772,-4726,-2141,-7611,15713,1972,-2846,3494,9521 } },
66  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D100),
67  0,
68  0,
69  { 5902,-933,-782,-8983,16719,2354,-1402,1455,6464 } },
70  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1X),
71  0,
72  0,
73  { 7702,-2245,-975,-9114,17242,1875,-2679,3055,8521 } },
74  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D200),
75  0,
76  0xfbc,
77  { 8367,-2248,-763,-8758,16447,2422,-1527,1550,8053 } },
78  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2H),
79  0,
80  0,
81  { 5710,-901,-615,-8594,16617,2024,-2975,4120,6830 } },
82  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2X),
83  0,
84  0,
85  { 10231,-2769,-1255,-8301,15900,2552,-797,680,7148 } },
86 
87  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3),
88  0,
89  0,
90  { 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
91  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3S),
92  0,
93  0,
94  { 8828,-2406,-694,-4874,12603,2541,-660,1509,7587 } },
95  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3X),
96  0,
97  0,
98  { 7171,-1986,-648,-8085,15555,2718,-2170,2512,7457 } },
99  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300),
100  0,
101  0,
102  { 9030,-1992,-715,-8465,16302,2255,-2689,3217,8069 } },
103  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300S),
104  0,
105  0,
106  { 9030,-1992,-715,-8465,16302,2255,-2689,3217,8069 } },
107  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3000),
108  0,
109  0,
110  { 8736,-2458,-935,-9075,16894,2251,-1354,1242,8263 } },
111  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3100),
112  0,
113  0,
114  { 7911,-2167,-813,-5327,13150,2408,-1288,2483,7968 } },
115  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3200),
116  0,
117  0xfb9,
118  { 7013, -1408, -635, -5268, 12902, 2640, -1470, 2801, 7379 } },
119  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3300),
120  0,
121  0,
122  { 6988, -1384, -714, -5631, 13410, 2447, -1485, 2204, 7318 } },
123 
124  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4),
125  0,
126  0,
127  { 8598, -2848, -857, -5618, 13606, 2195, -1002, 1773, 7137 } },
128  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4S),
129  0,
130  0,
131  { 8598, -2848, -857, -5618, 13606, 2195, -1002, 1773, 7137 } },
132  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40),
133  0,
134  0,
135  { 6992,-1668,-806,-8138,15748,2543,-874,850,7897 } },
136  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40X),
137  0,
138  0,
139  { 8819,-2543,-911,-9025,16928,2151,-1329,1213,8449 } },
140 
141  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5),
142  0,
143  0,
144  { 9200,-3522,-992,-5755,13803,2117,-753,1486,6338 } },
145  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D50),
146  0,
147  0,
148  { 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
149  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D500),
150  0,
151  0,
152  { 8813, -3210, -1036, -4703, 12868, 2021, -1054, 1940, 6129 } },
153  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5000),
154  0,
155  0xf00,
156  { 7309,-1403,-519,-8474,16008,2622,-2433,2826,8064 } },
157  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5100),
158  0,
159  0x3de6,
160  { 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
161  // From DNG Converter 7.4
162  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5200),
163  0,
164  0,
165  { 8322,-3112,-1047,-6367,14342,2179,-988,1638,6394 } },
166  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5300),
167  0,
168  0,
169  { 6988, -1384, -714, -5631, 13410, 2447, -1485, 2204, 7318 } },
170  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5500),
171  0,
172  0,
173  { 8821, -2938, -785, -4178, 12142, 2287, -824, 1651, 6860 } },
174 
175  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D60),
176  0,
177  0,
178  { 8736,-2458,-935,-9075,16894,2251,-1354,1242,8263 } },
179  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D600),
180  0,
181  0,
182  { 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
183  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D610),
184  0,
185  0,
186  { 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
187 
188  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70),
189  0,
190  0,
191  { 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
192  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70S),
193  0,
194  0,
195  { 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } },
196  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D700),
197  0,
198  0,
199  { 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } },
200  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7000),
201  0,
202  0,
203  { 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
204  // From DNG Converter 7.4
205  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7100),
206  0,
207  0,
208  { 8322,-3112,-1047,-6367,14342,2179,-988,1638,6394 } },
209  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7200),
210  0,
211  0,
212  { 8322, -3112, -1047, -6367, 14342, 2179, -988, 1638, 6394 } },
213  // From DNG Converter 8.7-rc
214  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D750),
215  0,
216  0,
217  { 9020, -2890, -715, -4535, 12436, 2348, -934, 1919, 7086 } },
218 
219  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D80),
220  0,
221  0,
222  { 8629,-2410,-883,-9055,16940,2171,-1490,1363,8520 } },
223  // From DNG Converter 7.1-rc
224  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800),
225  0,
226  0,
227  { 7866, -2108, -555, -4869, 12483, 2681, -1176, 2069, 7501 } },
228  // From DNG Converter 7.1-rc
229  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800E),
230  0,
231  0,
232  { 7866, -2108, -555, -4869, 12483, 2681, -1176, 2069, 7501 } },
233  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D810),
234  0,
235  0,
236  { 9369, -3195, -791, -4488, 12430, 2301, -893, 1796, 6872 } },
237 
238  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D90),
239  0,
240  0xf00,
241  { 7309,-1403,-519,-8474,16008,2622,-2434,2826,8064 } },
242 
243  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_DF),
244  0,
245  0,
246  { 8598,-2848,-857,-5618,13606,2195,-1002,1773,7137 } },
247 
248  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5400),
249  0,
250  0,
251  { 9349,-2987,-1001,-7919,15766,2266,-2098,2680,6839 } },
252 // { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5700), 0, 0,
253 // { -5368,11478,2368,5537,-113,3148,-4969,10021,5782,778,9028,211 } },
254  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E8400),
255  0,
256  0,
257  { 7842,-2320,-992,-8154,15718,2599,-1098,1342,7560 } },
258 
259  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P6000),
260  0,
261  0,
262  { 9698,-3367,-914,-4706,12584,2368,-837,968,5801 } },
263  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7000),
264  0,
265  0,
266  { 11432,-3679,-1111,-3169,11239,2202,-791,1380,4455 } },
267  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7100),
268  0,
269  0,
270  { 11053,-4269,-1024,-1976,10182,2088,-526,1263,4469 } },
271  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7700),
272  0,
273  0,
274  { 10321,-3920,-931,-2750,11146,1824,-442,1545,5539 } },
275 
276  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_AW1),
277  0,
278  0,
279  { 6588, -1305, -693, -3277, 10987, 2634, -355, 2016, 5106 } },
280  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J1),
281  0,
282  0,
283  { 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
284  // From DNG Converter 7.4
285  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J2),
286  0,
287  0,
288  { 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
289  // From DNG Converter 7.4
290  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J3),
291  0,
292  0,
293  { 6588,-1305,-693,-3277,10987,2634,-355,2016,5106 } },
294  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J4),
295  0,
296  0,
297  { 5958, -1559, -571, -4021, 11453, 2939, -634, 1548, 5087 } },
298  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J5),
299  0,
300  0,
301  { 7520, -2518, -645, -3844, 12102, 1945, -913, 2249, 6835 } },
302  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V1),
303  0,
304  0,
305  { 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
306  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V2),
307  0,
308  0,
309  { 6588,-1305,-693,-3277,10987,2634,-355,2016,5106 } },
310  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V3),
311  0,
312  0,
313  { 5958, -1559, -571, -4021, 11453, 2939, -634, 1548, 5087 } },
314  // From DNG Converter 7.4
315  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S1),
316  0,
317  0,
318  { 8994,-2667,-865,-4594,12324,2552,-699,1786,6260 } },
319  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S2),
320  0,
321  0,
322  { 6612, -1342, -618, -3338, 11055, 2623, -174, 1792, 5075 } },
323 
324  // From DNG Converter 7.4
325  { OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_A),
326  0,
327  0,
328  { 8198,-2239,-724,-4871,12389,2798,-1043,2050,7181 } },
329 
330  { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
331 };
332 
333 const IfdFile::camera_ids_t NefFile::s_def[] = {
334  { "NIKON D1 ", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1) },
335  { "NIKON D100 ", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D100) },
336  { "NIKON D1X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D1X) },
337  { "NIKON D200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D200) },
338  { "NIKON D2H", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2H ) },
339  { "NIKON D2X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D2X ) },
340  { "NIKON D3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3) },
341  { "NIKON D3S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3S) },
342  { "NIKON D3X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3X) },
343  { "NIKON D300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300) },
344  { "NIKON D300S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D300S) },
345  { "NIKON D3000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3000) },
346  { "NIKON D3100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3100) },
347  { "NIKON D3200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3200) },
348  { "NIKON D3300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3300) },
349  { "NIKON D3400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D3400) },
350  { "NIKON D4", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4) },
351  { "NIKON D4S", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D4S) },
352  { "NIKON D40", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40) },
353  { "NIKON D40X", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D40X) },
354  { "NIKON D5", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5) },
355  { "NIKON D50", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D50) },
356  { "NIKON D500", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D500) },
357  { "NIKON D5000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5000) },
358  { "NIKON D5100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5100) },
359  { "NIKON D5200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5200) },
360  { "NIKON D5300", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5300) },
361  { "NIKON D5500", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5500) },
362  { "NIKON D5600", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D5600) },
363  { "NIKON D60", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D60) },
364  { "NIKON D600", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D600) },
365  { "NIKON D610", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D610) },
366  { "NIKON D70", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70) },
367  { "NIKON D70s", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D70S) },
368  { "NIKON D700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D700) },
369  { "NIKON D7000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7000) },
370  { "NIKON D7100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7100) },
371  { "NIKON D7200", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D7200) },
372  { "NIKON D750", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D750) },
373  { "NIKON D80", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D80) },
374  { "NIKON D800", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800) },
375  { "NIKON D800E", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D800E) },
376  { "NIKON D810", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D810) },
377  { "NIKON D90", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_D90) },
378  { "NIKON Df", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_DF) },
379  { "E5400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5400) },
380  { "E5700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E5700) },
381  { "E8400", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_E8400) },
382  { "COOLPIX P6000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P6000) },
383  { "COOLPIX P7000", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7000) },
384  { "COOLPIX P7100", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7100) },
385  { "COOLPIX P7700", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_P7700) },
386  { "COOLPIX A", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_COOLPIX_A) },
387  { "NIKON 1 J1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J1) },
388  { "NIKON 1 J2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J2) },
389  { "NIKON 1 J3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J3) },
390  { "NIKON 1 J4", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J4) },
391  { "NIKON 1 J5", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_J5) },
392  { "NIKON 1 V1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V1) },
393  { "NIKON 1 V2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V2) },
394  { "NIKON 1 V3", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_V3) },
395  { "NIKON 1 S1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S1) },
396  { "NIKON 1 S2", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_S2) },
397  { "NIKON 1 AW1", OR_MAKE_NIKON_TYPEID(OR_TYPEID_NIKON_1_AW1) },
398  { 0, 0 }
399 };
400 
401 RawFile *NefFile::factory(const IO::Stream::Ptr & _filename)
402 {
403  return new NefFile(_filename);
404 }
405 
406 NefFile::NefFile(const IO::Stream::Ptr & _filename)
407  : TiffEpFile(_filename, OR_RAWFILE_TYPE_NEF)
408 {
409  _setIdMap(s_def);
410  _setMatrices(s_matrices);
411 }
412 
413 
414 NefFile::~NefFile()
415 {
416 }
417 
418 bool NefFile::isCompressed(RawContainer & container, uint32_t offset)
419 {
420  int i;
421  uint8_t buf[256];
422  size_t real_size = container.fetchData(buf, offset,
423  256);
424  if(real_size != 256) {
425  return true;
426  }
427  for(i = 15; i < 256; i+= 16) {
428  if(buf[i]) {
429  LOGDBG1("isCompressed: true\n");
430  return true;
431  }
432  }
433  LOGDBG1("isCompressed: false\n");
434  return false;
435 }
436 
437 ::or_error NefFile::_decompressNikonQuantized(RawData & data)
438 {
440  if (!_getCompressionCurve(data, c)) {
441  LOGERR("compression curve not found\n");
442  return OR_ERROR_NOT_FOUND;
443  }
444  const uint32_t rows = data.height();
445  const uint32_t raw_columns = data.width();
446 
447  //FIXME: not always true
448  const uint32_t columns = raw_columns - 1;
449 
451  diffs(c.huffman, static_cast<uint8_t*>(data.data()), data.size());
452  NefCfaIterator iter(diffs, rows, raw_columns, c.vpred);
453 
454  RawData newData;
455  uint16_t *p = (uint16_t *) newData.allocData(rows * columns * 2);
456  newData.setDimensions(columns, rows);
457  newData.setDataType(OR_DATA_TYPE_RAW);
458  uint16_t bpc = data.bpc();
459  newData.setBpc(bpc);
460  newData.setWhiteLevel((1 << bpc) - 1);
461  newData.setCfaPatternType(data.cfaPattern()->patternType());
462 
463  for (unsigned int i = 0; i < rows; i++) {
464  for (unsigned int j = 0; j < raw_columns; j++) {
465  uint16_t t = iter.get();
466  if (j < columns) {
467  unsigned shift = 16 - data.bpc();
468  p[i * columns + j] = c.curve[t & 0x3fff] << shift;
469  }
470  }
471  }
472 
473  data.swap(newData);
474  return OR_ERROR_NONE;
475 }
476 
477 ::or_error NefFile::_decompressIfNeeded(RawData & data,
478  uint32_t options)
479 {
480  uint32_t compression = data.compression();
481  if((options & OR_OPTIONS_DONT_DECOMPRESS) ||
482  compression == IFD::COMPRESS_NONE) {
483  return OR_ERROR_NONE;
484  } else if(compression == IFD::COMPRESS_NIKON_QUANTIZED) {
485  return _decompressNikonQuantized(data);
486  } else {
487  return OR_ERROR_INVALID_FORMAT;
488  }
489 }
490 
491 bool
492 NefFile::_getCompressionCurve(RawData & data, NefFile::NEFCompressionInfo& c)
493 {
494  MakerNoteDir::Ref _makerNoteIfd = makerNoteIfd();
495  if(!_makerNoteIfd) {
496  LOGERR("makernote not found\n");
497  return false;
498  }
499  IfdEntry::Ref curveEntry = _makerNoteIfd->getEntry(IFD::MNOTE_NIKON_NEFDECODETABLE2);
500  if(!curveEntry) {
501  LOGERR("decode table2 tag not found\n");
502  return false;
503  }
504 
505  size_t pos = _makerNoteIfd->getMnoteOffset() + curveEntry->offset();
506 
507  auto file = m_container->file();
508  file->seek(pos, SEEK_SET);
509 
510  uint16_t bpc = data.bpc();
511  uint8_t header0, header1;
512  auto result = m_container->readUInt8(file);
513  if(result.empty()) {
514  LOGERR("Header not found\n");
515  return false;
516  }
517  header0 = result.unwrap();
518  result = m_container->readUInt8(file);
519  if(result.empty()) {
520  LOGERR("Header not found\n");
521  return false;
522  }
523  header1 = result.unwrap();
524 
525  if (header0 == 0x49) {
526  // some interesting stuff at 2110
527  // XXX we need to implement this.
528  LOGWARN("NEF: header0 is 0x49 - case not yet handled\n");
529  m_container->skip(2110);
530  }
531 
532  for (int i = 0; i < 2; ++i) {
533  for (int j = 0; j < 2; ++j) {
534  auto result16 = m_container->readInt16(file);
535  if(result16.empty()) {
536  LOGERR("Failed to read vpred (%d,%d)\n", i, j);
537  return false;
538  }
539  c.vpred[i][j] = result16.unwrap();
540  }
541  }
542 
543  LOGDBG2("header0 = %d header1 = %d bpc = %u\n", header0, header1, bpc);
544 
545  bool header_ok = false;
546  // header0 == 0x44 || 0x49 -> lossy
547  // header0 == 0x46 -> lossless
548  if (header0 == 0x44 || header0 == 0x49) {
549  if (bpc == 12) {
550  c.huffman = NefDiffIterator::Lossy12Bit;
551  LOGDBG1("12 bits lossy %u\n", bpc);
552  header_ok = true;
553  } else if (bpc == 14) {
554  c.huffman = NefDiffIterator::Lossy14Bit;
555  LOGDBG1("14 bits lossy %u\n", bpc);
556  header_ok = true;
557  }
558  } else if (header0 == 0x46) {
559  if (bpc == 14) {
560  c.huffman = NefDiffIterator::LossLess14Bit;
561  LOGDBG1("14 bits lossless\n");
562  header_ok = true;
563  } else if (bpc == 12) {
564 // c.huffman = NefDiffIterator::LossLess12Bit;
565  LOGDBG1("12 bits lossless\n");
566  LOGERR("12 bits lossless isn't yet supported\n");
567  header_ok = true;
568  return false;
569  }
570  }
571  if (!header_ok) {
572  LOGERR("Wrong header, found %d-%d\n", header0, header1);
573  return false;
574  }
575 
576  // number of elements in the curve
577  size_t nelems;
578  nelems = m_container->readInt16(file).unwrap_or(0);
579  LOGDBG1("Num elems %ld\n", nelems);
580 
581  uint32_t ceiling = 1 << bpc & 0x7fff;
582  uint32_t step = 0;
583  if (nelems > 1) {
584  step = ceiling / (nelems - 1);
585  }
586  LOGDBG1("ceiling %u, step = %u\n", ceiling, step);
587 
588  if (header0 == 0x44 && header1 == 0x20 && step > 0) {
589  for (size_t i = 0; i < nelems; ++i) {
590  auto result16 = m_container->readInt16(file);
591  if (result16.empty()) {
592  LOGERR("NEF: short read\n");
593  return false;
594  }
595  c.curve[i * step] = result16.unwrap();
596  }
597  for (size_t i = 0; i < ceiling; ++i) {
598  c.curve[i] = (c.curve[i - i % step] * (step - i % step) +
599  c.curve[i - i % step + step] * (i % step)) / step;
600  }
601  // split flag is at offset 562.
602  // XXX
603  } else if (header0 != 0x46 && nelems <= 0x4001) {
604  size_t num_read = m_container->readUInt16Array(file, c.curve, nelems);
605  if (num_read < nelems) {
606  LOGERR("NEF: short read of %ld elements instead of %ld\n", num_read, nelems);
607  return false;
608  }
609  ceiling = nelems;
610  }
611 
612  auto black = c.curve[0];
613  auto white = c.curve[ceiling - 1];
614  for (size_t i = ceiling; i < 0x8000; i++) {
615  c.curve[i] = white;
616  }
617 
618  data.setBlackLevel(black);
619  data.setWhiteLevel(white);
620  LOGDBG1("black %u white %u\n", black, white);
621  return true;
622 }
623 
624 }
625 }
626 
627 /*
628  Local Variables:
629  mode:c++
630  c-file-style:"stroustrup"
631  c-file-offsets:((innamespace . 0))
632  indent-tabs-mode:nil
633  fill-column:80
634  End:
635 */
size_t fetchData(void *buf, off_t offset, size_t buf_size)
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed.
Definition: arwfile.cpp:30
uint32_t bpc() const
Definition: bitmapdata.cpp:159
size_t size() const
Definition: bitmapdata.cpp:129
void swap(RawData &with)
Definition: rawdata.cpp:245
void setBpc(uint32_t _bpc)
Definition: bitmapdata.cpp:164
std::shared_ptr< IfdEntry > Ref
Definition: ifdentry.hpp:165
Definition: trace.cpp:30
static bool isCompressed(RawContainer &container, uint32_t offset)
Definition: neffile.cpp:418
::or_cfa_pattern patternType() const
Definition: cfapattern.cpp:186
const CfaPattern * cfaPattern() const
Definition: rawdata.cpp:287
void setDataType(DataType _type)
Definition: bitmapdata.cpp:100
virtual void setDimensions(uint32_t x, uint32_t y) override
Definition: rawdata.cpp:260