libopenraw
rw2file.cpp
1/*
2 * libopenraw - rw2file.cpp
3 *
4 * Copyright (C) 2011-2017 Hubert Figuiere
5 *
6 * This library is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation, either version 3 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
20
21#include <stddef.h>
22
23#include <algorithm>
24#include <cstdint>
25#include <memory>
26
27#include <libopenraw/cameraids.h>
28#include <libopenraw/debug.h>
29
30#include "rawdata.hpp"
31#include "trace.hpp"
32#include "io/streamclone.hpp"
33#include "rw2file.hpp"
34#include "rw2container.hpp"
35#include "jfifcontainer.hpp"
36#include "rawfile_private.hpp"
37
38using namespace Debug;
39
40namespace OpenRaw {
41
42namespace Internals {
43
44#define OR_MAKE_PANASONIC_TYPEID(camid) \
45 OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PANASONIC,camid)
46#define OR_MAKE_LEICA_TYPEID(camid) \
47 OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_LEICA,camid)
48
49/* taken from dcraw, by default */
50static const BuiltinColourMatrix s_matrices[] = {
51 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_CM1),
52 15,
53 0,
54 { 8770, -3194, -820, -2871, 11281, 1803, -513, 1552, 4434 } },
55 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF1),
56 15,
57 0xf92,
58 { 7888,-1902,-1011,-8106,16085,2099,-2353,2866,7330 } },
59 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF2),
60 15,
61 0xfff,
62 { 7888,-1902,-1011,-8106,16085,2099,-2353,2866,7330 } },
63 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF3),
64 15,
65 0xfff,
66 { 9051,-2468,-1204,-5212,13276,2121,-1197,2510,6890 } },
67 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF5),
68 15,
69 0xfff,
70 { 8228,-2945,-660,-3938,11792,2430,-1094,2278,5793 } },
71 // Adobe DNG convert 7.4
72 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF6),
73 15,
74 0xfff,
75 { 8130,-2801,-946,-3520,11289,2552,-1314,2511,5791 } },
76 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF7),
77 15,
78 0,
79 { 7610, -2780, -576, -4614, 12195, 2733, -1375, 2393, 6490 } },
80 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX1),
81 15,
82 0,
83 { 6763,-1919,-863,-3868,11515,2684,-1216,2387,5879 } },
84 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX7),
85 15,
86 0,
87 { 7610,-2780,-576,-4614,12195,2733,-1375,2393,6490 } },
88 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX8),
89 15,
90 0,
91 { 7564, -2263, -606, -3148, 11239, 2177, -540, 1435, 4853 } },
92 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX80),
93 15,
94 0,
95 { 7771, -3020, -629, -4029, 1195, 2345, -821, 1977, 6119 } },
96 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX800),
97 15,
98 0,
99 { 7610, -2780, -576, -4614, 12195, 2733, -1375, 2393, 6490 } },
100 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX9),
101 15,
102 0,
103 { 7564, -2263, -606, -3148, 11239, 2177, -540, 1435, 4853 } },
104 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ8),
105 0,
106 0xf7f,
107 { 8986,-2755,-802,-6341,13575,3077,-1476,2144,6379 } },
108 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ18),
109 0,
110 0,
111 { 9932,-3060,-935,-5809,13331,2753,-1267,2155,5575 } },
112 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ28),
113 15,
114 0xf96,
115 { 10109,-3488,-993,-5412,12812,2916,-1305,2140,5543 } },
116 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ200),
117 143,
118 0xfff,
119 { 8112,-2563,-740,-3730,11784,2197,-941,2075,4933 } },
120 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ2500),
121 143,
122 0xfff,
123 { 7386, -2443, -743, -3437, 11864, 1757, -608, 1660, 4766 } },
124 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ30),
125 0,
126 0xf94,
127 { 10976,-4029,-1141,-7918,15491,2600,-1670,2071,8246 } },
128 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ330),
129 15,
130 0,
131 { 8378, -2798, -769, -3068, 11410, 1877, -538, 1792, 4623 } },
132 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ50),
133 0,
134 0,
135 { 7906,-2709,-594,-6231,13351,3220,-1922,2631,6537 } },
136 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ100),
137 143,
138 0xfff,
139 { 16197,-6146,-1761,-2393,10765,1869,366,2238,5248 } },
140 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G1),
141 15,
142 0xf94,
143 { 8199,-2065,-1056,-8124,16156,2033,-2458,3022,7220 } },
144 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G2),
145 15,
146 0xf3c,
147 { 10113,-3400,-1114,-4765,12683,2317,-377,1437,6710 } },
148 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G3),
149 143,
150 0xfff,
151 { 6763,-1919,-863,-3868,11515,2684,-1216,2387,5879 } },
152 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G5),
153 143,
154 0xfff,
155 { 7798,-2562,-740,-3879,11584,2613,-1055,2248,5434 } },
156 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G10),
157 0,
158 0,
159 { 10113,-3400,-1114,-4765,12683,2317,-377,1437,6710 } },
160 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G80),
161 15,
162 0,
163 { 7610, -2780, -576, -4614, 12195, 2733, -1375, 2393, 6490 } },
164 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G9),
165 0,
166 0,
167 { 7685, -2375, -634, -3687, 11700, 2249, -748, 1546, 5111 } },
168 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH1),
169 15,
170 0xf92,
171 { 6299,-1466,-532,-6535,13852,2969,-2331,3112,5984 } },
172 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH2),
173 15,
174 0xf95,
175 { 7780,-2410,-806,-3913,11724,2484,-1018,2390,5298 } },
176 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH3),
177 144,
178 0,
179 { 6559,-1752,-491,-3672,11407,2586,-962,1875,5130 } },
180 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH4),
181 15,
182 0,
183 { 7122,-2108,-512,-3155,11201,2231,-541,1423,5045 } },
184 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GM1),
185 15,
186 0,
187 { 6770,-1895,-744,-5232,13145,2303,-1664,2691,5703 } },
188 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX2),
189 0,
190 0,
191 { 8048,-2810,-623,-6450,13519,3272,-1700,2146,7049 } },
192 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX3),
193 15,
194 0,
195 { 8128,-2668,-655,-6134,13307,3161,-1782,2568,6083 } },
196 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX5),
197 143,
198 0,
199 { 10909,-4295,-948,-1333,9306,2399,22,1738,4582 } },
200 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX7),
201 143,
202 0,
203 { 10148,-3743,-991,-2837,11366,1659,-701,1893,4899 } },
204 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX100),
205 143,
206 0,
207 { 8844,-3538,-768,-3709,11762,2200,-698,1792,5220 } },
208 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_L1),
209 0,
210 0xf7f,
211 { 8054,-1885,-1025,-8349,16367,2040,-2805,3542,7629 } },
212 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_L10),
213 15,
214 0xf96,
215 { 8025,-1942,-1050,-7920,15904,2100,-2456,3005,7039 } },
216 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ70),
217 15,
218 0,
219 { 8802, -3135, -789, -3151, 11468, 1904, -550, 1745, 4810 } },
220 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ80),
221 15,
222 0,
223 { 8550, -2908, -842, -3195, 11529, 1881, -338, 1603, 4631 } },
224 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ100),
225 15,
226 0,
227 { 7790, -2736, -755, -3452, 11870, 1769, -628, 1647, 4898 } },
228 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ110),
229 15,
230 0,
231 { 7790, -2736, -755, -3452, 11870, 1769, -628, 1647, 4898 } },
232 { OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ202),
233 15,
234 0,
235 { 7790, -2736, -755, -3452, 11870, 1769, -628, 1647, 4898 } },
236
237 { OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DIGILUX2),
238 0,
239 0,
240 { 11340,-4069,-1275,-7555,15266,2448,-2960,3426,7685 } },
241 { OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DLUX_3),
242 0,
243 0,
244 { 8048,-2810,-623,-6450,13519,3272,-1700,2146,7049 } },
245 { OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DLUX_TYP109),
246 0,
247 0,
248 { 8844, -3538, -768, -3709, 11762, 2200, -698, 1792, 5220 } },
249 { OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_VLUX_1),
250 0,
251 0,
252 { 7906,-2709,-594,-6231,13351,3220,-1922,2631,6537 } },
253 { OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_VLUX_4),
254 0,
255 0,
256 { 8112, -2563, -740, -3730, 11784, 2197, -941, 2075, 4933 } },
257
258 { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
259};
260
261const IfdFile::camera_ids_t Rw2File::s_def[] = {
262 { "DMC-CM1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_CM1) },
263 { "DMC-GF1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF1) },
264 { "DMC-GF2", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF2) },
265 { "DMC-GF3", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF3) },
266 { "DMC-GF5", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF5) },
267 { "DMC-GF6", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF6) },
268 { "DMC-GF7", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GF7) },
269 { "DMC-GX1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX1) },
270 { "DMC-GX7", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX7) },
271 { "DMC-GX8", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX8) },
272 { "DMC-GX80", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX80) },
273 { "DC-GX800", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX800) },
274 { "DC-GX850", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX850) },
275 { "DC-GX9", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GX9) },
276 { "DMC-FZ8", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ8) },
277 { "DMC-FZ18", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ18) },
278 { "DMC-FZ28", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ28) },
279 { "DMC-FZ30", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ30) },
280 { "DMC-FZ50", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ50) },
281 { "DMC-FZ100", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ100) },
282 { "DMC-FZ200", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ200) },
283 { "DMC-FZ2500", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ2500) },
284 { "DMC-FZ330", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ330) },
285 { "DC-FZ82", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_FZ82) },
286 { "DMC-G1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G1) },
287 { "DMC-G2", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G2) },
288 { "DMC-G3", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G3) },
289 { "DMC-G5", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G5) },
290 { "DMC-G10", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G10) },
291 { "DMC-G80", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G80) },
292 { "DC-G9", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_G9) },
293 { "DMC-GH1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH1) },
294 { "DMC-GH2", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH2) },
295 { "DMC-GH3", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH3) },
296 { "DMC-GH4", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH4) },
297 { "DC-GH5", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GH5) },
298 { "DMC-GM1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GM1) },
299 { "DMC-GM5", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_GM5) },
300 { "DMC-LX2", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX2) },
301 { "DMC-LX3", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX3) },
302 { "DMC-LX5", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX5) },
303 { "DMC-LX7", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX7) },
304 { "DMC-LX10", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX10) },
305 { "DMC-LX100", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_LX100) },
306 { "DMC-L1", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_L1) },
307 { "DMC-L10", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_L10) },
308 { "DMC-TZ100", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ100) },
309 { "DMC-TZ110", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ110) },
310 { "DC-TZ202", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ202) },
311 { "DMC-TZ70", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ70) },
312 { "DMC-TZ80", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_TZ80) },
313 { "DMC-ZS100", OR_MAKE_PANASONIC_TYPEID(OR_TYPEID_PANASONIC_ZS100) },
314
315 { "DIGILUX 2", OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DIGILUX2) },
316 { "D-LUX 3", OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DLUX_3) },
317 { "V-LUX 1", OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_VLUX_1) },
318 { "D-LUX (Typ 109)", OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_DLUX_TYP109) },
319 { "V-LUX 4", OR_MAKE_LEICA_TYPEID(OR_TYPEID_LEICA_VLUX_4) },
320
321 { 0, 0 }
322};
323
324RawFile *Rw2File::factory(const IO::Stream::Ptr & s)
325{
326 return new Rw2File(s);
327}
328
329Rw2File::Rw2File(const IO::Stream::Ptr & s)
330 : IfdFile(s, OR_RAWFILE_TYPE_RW2, false)
331{
332 _setIdMap(s_def);
333 _setMatrices(s_matrices);
334 m_container = new Rw2Container(m_io, 0);
335}
336
337Rw2File::~Rw2File()
338{
339}
340
341
342IfdDir::Ref Rw2File::_locateCfaIfd()
343{
344 return mainIfd();
345}
346
347
348IfdDir::Ref Rw2File::_locateMainIfd()
349{
350 return m_container->setDirectory(0);
351}
352
353::or_error Rw2File::_locateThumbnail(const IfdDir::Ref & dir,
354 std::vector<uint32_t> &list)
355{
356 uint32_t offset = 0;
357 uint32_t size = 0;
358
359 offset = _getJpegThumbnailOffset(dir, size);
360 if(size == 0) {
361 return OR_ERROR_NOT_FOUND;
362 }
363 LOGDBG1("Jpeg offset: %u\n", offset);
364
365 uint32_t x = 0;
366 uint32_t y = 0;
367 ::or_data_type _type = OR_DATA_TYPE_JPEG;
368 IO::Stream::Ptr s(new IO::StreamClone(m_io, offset));
369 std::unique_ptr<JfifContainer> jfif(new JfifContainer(s, 0));
370 if (jfif->getDimensions(x,y)) {
371 LOGDBG1("JPEG dimensions x=%u y=%u\n", x, y);
372 }
373 if(_type != OR_DATA_TYPE_NONE) {
374 uint32_t dim = std::max(x, y);
375 _addThumbnail(dim, ThumbDesc(x, y, _type, offset, size));
376 list.push_back(dim);
377 }
378
379 return OR_ERROR_NONE;
380}
381
382uint32_t Rw2File::_getJpegThumbnailOffset(const IfdDir::Ref & dir, uint32_t & len)
383{
384 IfdEntry::Ref e = dir->getEntry(IFD::RW2_TAG_JPEG_FROM_RAW);
385 if(!e) {
386 len = 0;
387 LOGDBG1("JpegFromRaw not found\n");
388 return 0;
389 }
390 uint32_t offset = e->offset();
391 len = e->count();
392 return offset;
393}
394
395
396::or_error Rw2File::_getRawData(RawData & data, uint32_t /*options*/)
397{
398 ::or_error ret = OR_ERROR_NONE;
399 const IfdDir::Ref & _cfaIfd = cfaIfd();
400 if(!_cfaIfd) {
401 LOGDBG1("cfa IFD not found\n");
402 return OR_ERROR_NOT_FOUND;
403 }
404
405 LOGDBG1("_getRawData()\n");
406 uint32_t offset = 0;
407 uint32_t byte_length = 0;
408 // RW2 file
409 auto result = _cfaIfd->getIntegerValue(IFD::RW2_TAG_STRIP_OFFSETS);
410 if(result) {
411 offset = result.value();
412 byte_length = m_container->file()->filesize() - offset;
413 }
414 else {
415 // RAW file alternative.
416 result = _cfaIfd->getIntegerValue(IFD::EXIF_TAG_STRIP_OFFSETS);
417 if(result.empty()) {
418 LOGDBG1("offset not found\n");
419 return OR_ERROR_NOT_FOUND;
420 }
421 offset = result.value();
422 result = _cfaIfd->getIntegerValue(IFD::EXIF_TAG_STRIP_BYTE_COUNTS);
423 if(result.empty()) {
424 LOGDBG1("byte len not found\n");
425 return OR_ERROR_NOT_FOUND;
426 }
427 byte_length = result.value();
428 }
429
430 result = _cfaIfd->getIntegerValue(IFD::RW2_TAG_SENSOR_WIDTH);
431 if(result.empty()) {
432 LOGDBG1("X not found\n");
433 return OR_ERROR_NOT_FOUND;
434 }
435 uint32_t x = result.value();
436
437 result = _cfaIfd->getIntegerValue(IFD::RW2_TAG_SENSOR_HEIGHT);
438 if(result.empty()) {
439 LOGDBG1("Y not found\n");
440 return OR_ERROR_NOT_FOUND;
441 }
442 uint32_t y = result.value();
443
444 // this is were things are complicated. The real size of the raw data
445 // is whatever is read (if compressed)
446 void *p = data.allocData(byte_length);
447 size_t real_size = m_container->fetchData(p, offset,
448 byte_length);
449
450 if (real_size / (x * 8 / 7) == y) {
451 data.setDataType(OR_DATA_TYPE_COMPRESSED_RAW);
452 data.setCompression(PANA_RAW_COMPRESSION);
453 }
454 else if (real_size < byte_length) {
455 LOGWARN("Size mismatch for data: expected %u got %lu ignoring.\n",
456 byte_length, real_size);
457 return OR_ERROR_NOT_FOUND;
458 }
459 else {
460 data.setDataType(OR_DATA_TYPE_RAW);
461 }
462 data.setCfaPatternType(OR_CFA_PATTERN_BGGR);
463
464
465 // they are not all RGGB.
466 // but I don't seem to see where this is encoded.
467 //
468 data.setDimensions(x, y);
469
470 LOGDBG1("In size is %ux%u\n", data.width(), data.height());
471 // get the sensor info
472 // XXX what if it is not found?
473 IfdEntry::Ref e = _cfaIfd->getEntry(IFD::RW2_TAG_SENSOR_LEFTBORDER);
474 x = e->getIntegerArrayItem(0);
475 e = _cfaIfd->getEntry(IFD::RW2_TAG_SENSOR_TOPBORDER);
476 y = e->getIntegerArrayItem(0);
477 e = _cfaIfd->getEntry(IFD::RW2_TAG_IMAGE_HEIGHT);
478 uint32_t h = e->getIntegerArrayItem(0);
479 e = _cfaIfd->getEntry(IFD::RW2_TAG_IMAGE_WIDTH);
480 uint32_t w = e->getIntegerArrayItem(0);
481
482 data.setRoi(x, y, w, h);
483
484 return ret;
485}
486
487}
488}
489/*
490 Local Variables:
491 mode:c++
492 c-file-style:"stroustrup"
493 c-file-offsets:((innamespace . 0))
494 tab-width:2
495 c-basic-offset:2
496 indent-tabs-mode:nil
497 fill-column:80
498 End:
499*/
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard....
Definition: arwfile.cpp:30