/src/gdal/frmts/gtiff/gtiffdataset_read.cpp
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GeoTIFF Driver |
4 | | * Purpose: Read/get operations on GTiffDataset |
5 | | * Author: Frank Warmerdam, warmerdam@pobox.com |
6 | | * |
7 | | ****************************************************************************** |
8 | | * Copyright (c) 1998, 2002, Frank Warmerdam <warmerdam@pobox.com> |
9 | | * Copyright (c) 2007-2015, Even Rouault <even dot rouault at spatialys dot com> |
10 | | * |
11 | | * SPDX-License-Identifier: MIT |
12 | | ****************************************************************************/ |
13 | | |
14 | | #include "gtiffdataset.h" |
15 | | #include "gtiffrasterband.h" |
16 | | #include "gtiffjpegoverviewds.h" |
17 | | #include "gtiffrgbaband.h" |
18 | | #include "gtiffbitmapband.h" |
19 | | #include "gtiffsplitband.h" |
20 | | #include "gtiffsplitbitmapband.h" |
21 | | |
22 | | #include <algorithm> |
23 | | #include <cassert> |
24 | | #include <limits> |
25 | | #include <memory> |
26 | | #include <mutex> |
27 | | #include <set> |
28 | | #include <string> |
29 | | #include <queue> |
30 | | #include <tuple> |
31 | | #include <utility> |
32 | | |
33 | | #include "cpl_error.h" |
34 | | #include "cpl_error_internal.h" // CPLErrorHandlerAccumulatorStruct |
35 | | #include "cpl_vsi.h" |
36 | | #include "cpl_vsi_virtual.h" |
37 | | #include "cpl_worker_thread_pool.h" |
38 | | #include "fetchbufferdirectio.h" |
39 | | #include "gdal_mdreader.h" // MD_DOMAIN_RPC |
40 | | #include "geovalues.h" // RasterPixelIsPoint |
41 | | #include "gt_wkt_srs_priv.h" // GDALGTIFKeyGetSHORT() |
42 | | #include "tif_jxl.h" |
43 | | #include "tifvsi.h" |
44 | | #include "xtiffio.h" |
45 | | |
46 | | #include "tiff_common.h" |
47 | | |
48 | | /************************************************************************/ |
49 | | /* GetJPEGOverviewCount() */ |
50 | | /************************************************************************/ |
51 | | |
52 | | int GTiffDataset::GetJPEGOverviewCount() |
53 | 0 | { |
54 | 0 | if (m_nJPEGOverviewCount >= 0) |
55 | 0 | return m_nJPEGOverviewCount; |
56 | | |
57 | 0 | m_nJPEGOverviewCount = 0; |
58 | 0 | if (m_poBaseDS || eAccess != GA_ReadOnly || |
59 | 0 | m_nCompression != COMPRESSION_JPEG || |
60 | 0 | (nRasterXSize < 256 && nRasterYSize < 256) || |
61 | 0 | !CPLTestBool(CPLGetConfigOption("GTIFF_IMPLICIT_JPEG_OVR", "YES")) || |
62 | 0 | GDALGetDriverByName("JPEG") == nullptr) |
63 | 0 | { |
64 | 0 | return 0; |
65 | 0 | } |
66 | 0 | const char *pszSourceColorSpace = |
67 | 0 | m_oGTiffMDMD.GetMetadataItem("SOURCE_COLOR_SPACE", "IMAGE_STRUCTURE"); |
68 | 0 | if (pszSourceColorSpace != nullptr && EQUAL(pszSourceColorSpace, "CMYK")) |
69 | 0 | { |
70 | | // We cannot handle implicit overviews on JPEG CMYK datasets converted |
71 | | // to RGBA This would imply doing the conversion in |
72 | | // GTiffJPEGOverviewBand. |
73 | 0 | return 0; |
74 | 0 | } |
75 | | |
76 | | // libjpeg-6b only supports 2, 4 and 8 scale denominators. |
77 | | // TODO: Later versions support more. |
78 | 0 | for (signed char i = 2; i >= 0; i--) |
79 | 0 | { |
80 | 0 | if (nRasterXSize >= (256 << i) || nRasterYSize >= (256 << i)) |
81 | 0 | { |
82 | 0 | m_nJPEGOverviewCount = i + 1; |
83 | 0 | break; |
84 | 0 | } |
85 | 0 | } |
86 | 0 | if (m_nJPEGOverviewCount == 0) |
87 | 0 | return 0; |
88 | | |
89 | | // Get JPEG tables. |
90 | 0 | uint32_t nJPEGTableSize = 0; |
91 | 0 | void *pJPEGTable = nullptr; |
92 | 0 | GByte abyFFD8[] = {0xFF, 0xD8}; |
93 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_JPEGTABLES, &nJPEGTableSize, &pJPEGTable)) |
94 | 0 | { |
95 | 0 | if (pJPEGTable == nullptr || nJPEGTableSize < 2 || |
96 | 0 | nJPEGTableSize > INT_MAX || |
97 | 0 | static_cast<GByte *>(pJPEGTable)[nJPEGTableSize - 1] != 0xD9) |
98 | 0 | { |
99 | 0 | m_nJPEGOverviewCount = 0; |
100 | 0 | return 0; |
101 | 0 | } |
102 | 0 | nJPEGTableSize--; // Remove final 0xD9. |
103 | 0 | } |
104 | 0 | else |
105 | 0 | { |
106 | 0 | pJPEGTable = abyFFD8; |
107 | 0 | nJPEGTableSize = 2; |
108 | 0 | } |
109 | | |
110 | 0 | m_papoJPEGOverviewDS = static_cast<GTiffJPEGOverviewDS **>( |
111 | 0 | CPLMalloc(sizeof(GTiffJPEGOverviewDS *) * m_nJPEGOverviewCount)); |
112 | 0 | for (int i = 0; i < m_nJPEGOverviewCount; ++i) |
113 | 0 | { |
114 | 0 | m_papoJPEGOverviewDS[i] = new GTiffJPEGOverviewDS( |
115 | 0 | this, i + 1, pJPEGTable, static_cast<int>(nJPEGTableSize)); |
116 | 0 | } |
117 | |
|
118 | 0 | m_nJPEGOverviewCountOri = m_nJPEGOverviewCount; |
119 | |
|
120 | 0 | return m_nJPEGOverviewCount; |
121 | 0 | } |
122 | | |
123 | | /************************************************************************/ |
124 | | /* GetCompressionFormats() */ |
125 | | /************************************************************************/ |
126 | | |
127 | | CPLStringList GTiffDataset::GetCompressionFormats(int nXOff, int nYOff, |
128 | | int nXSize, int nYSize, |
129 | | int nBandCount, |
130 | | const int *panBandList) |
131 | 0 | { |
132 | 0 | if (m_nCompression != COMPRESSION_NONE && |
133 | 0 | IsWholeBlock(nXOff, nYOff, nXSize, nYSize) && |
134 | 0 | ((nBandCount == 1 && (panBandList || nBands == 1) && |
135 | 0 | m_nPlanarConfig == PLANARCONFIG_SEPARATE) || |
136 | 0 | (IsAllBands(nBandCount, panBandList) && |
137 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG))) |
138 | 0 | { |
139 | 0 | CPLStringList aosList; |
140 | 0 | int nBlockId = |
141 | 0 | (nXOff / m_nBlockXSize) + (nYOff / m_nBlockYSize) * m_nBlocksPerRow; |
142 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE && panBandList != nullptr) |
143 | 0 | nBlockId += panBandList[0] * m_nBlocksPerBand; |
144 | |
|
145 | 0 | vsi_l_offset nOffset = 0; |
146 | 0 | vsi_l_offset nSize = 0; |
147 | 0 | if (IsBlockAvailable(nBlockId, &nOffset, &nSize, nullptr) && |
148 | 0 | nSize < |
149 | 0 | static_cast<vsi_l_offset>(std::numeric_limits<tmsize_t>::max())) |
150 | 0 | { |
151 | 0 | switch (m_nCompression) |
152 | 0 | { |
153 | 0 | case COMPRESSION_JPEG: |
154 | 0 | { |
155 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands == 4 && |
156 | 0 | m_nPhotometric == PHOTOMETRIC_RGB && |
157 | 0 | GetRasterBand(4)->GetColorInterpretation() == |
158 | 0 | GCI_AlphaBand) |
159 | 0 | { |
160 | | // as a hint for the JPEG and JPEGXL drivers to not use it! |
161 | 0 | aosList.AddString("JPEG;colorspace=RGBA"); |
162 | 0 | } |
163 | 0 | else |
164 | 0 | { |
165 | 0 | aosList.AddString("JPEG"); |
166 | 0 | } |
167 | 0 | break; |
168 | 0 | } |
169 | | |
170 | 0 | case COMPRESSION_WEBP: |
171 | 0 | aosList.AddString("WEBP"); |
172 | 0 | break; |
173 | | |
174 | 0 | case COMPRESSION_JXL: |
175 | 0 | aosList.AddString("JXL"); |
176 | 0 | break; |
177 | | |
178 | 0 | default: |
179 | 0 | break; |
180 | 0 | } |
181 | 0 | } |
182 | 0 | return aosList; |
183 | 0 | } |
184 | 0 | return CPLStringList(); |
185 | 0 | } |
186 | | |
187 | | /************************************************************************/ |
188 | | /* ReadCompressedData() */ |
189 | | /************************************************************************/ |
190 | | |
191 | | CPLErr GTiffDataset::ReadCompressedData(const char *pszFormat, int nXOff, |
192 | | int nYOff, int nXSize, int nYSize, |
193 | | int nBandCount, const int *panBandList, |
194 | | void **ppBuffer, size_t *pnBufferSize, |
195 | | char **ppszDetailedFormat) |
196 | 0 | { |
197 | 0 | if (m_nCompression != COMPRESSION_NONE && |
198 | 0 | IsWholeBlock(nXOff, nYOff, nXSize, nYSize) && |
199 | 0 | ((nBandCount == 1 && (panBandList != nullptr || nBands == 1) && |
200 | 0 | m_nPlanarConfig == PLANARCONFIG_SEPARATE) || |
201 | 0 | (IsAllBands(nBandCount, panBandList) && |
202 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG))) |
203 | 0 | { |
204 | 0 | const CPLStringList aosTokens(CSLTokenizeString2(pszFormat, ";", 0)); |
205 | 0 | if (aosTokens.size() != 1) |
206 | 0 | return CE_Failure; |
207 | | |
208 | | // We don't want to handle CMYK JPEG for now |
209 | 0 | if ((m_nCompression == COMPRESSION_JPEG && |
210 | 0 | EQUAL(aosTokens[0], "JPEG") && |
211 | 0 | (m_nPlanarConfig == PLANARCONFIG_SEPARATE || |
212 | 0 | m_nPhotometric != PHOTOMETRIC_SEPARATED)) || |
213 | 0 | (m_nCompression == COMPRESSION_WEBP && |
214 | 0 | EQUAL(aosTokens[0], "WEBP")) || |
215 | 0 | ((m_nCompression == COMPRESSION_JXL || |
216 | 0 | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
217 | 0 | EQUAL(aosTokens[0], "JXL"))) |
218 | 0 | { |
219 | 0 | std::string osDetailedFormat = aosTokens[0]; |
220 | |
|
221 | 0 | int nBlockId = (nXOff / m_nBlockXSize) + |
222 | 0 | (nYOff / m_nBlockYSize) * m_nBlocksPerRow; |
223 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE && |
224 | 0 | panBandList != nullptr) |
225 | 0 | nBlockId += panBandList[0] * m_nBlocksPerBand; |
226 | |
|
227 | 0 | vsi_l_offset nOffset = 0; |
228 | 0 | vsi_l_offset nSize = 0; |
229 | 0 | if (IsBlockAvailable(nBlockId, &nOffset, &nSize, nullptr) && |
230 | 0 | nSize < static_cast<vsi_l_offset>( |
231 | 0 | std::numeric_limits<tmsize_t>::max())) |
232 | 0 | { |
233 | 0 | uint32_t nJPEGTableSize = 0; |
234 | 0 | void *pJPEGTable = nullptr; |
235 | 0 | if (m_nCompression == COMPRESSION_JPEG) |
236 | 0 | { |
237 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_JPEGTABLES, |
238 | 0 | &nJPEGTableSize, &pJPEGTable) && |
239 | 0 | pJPEGTable != nullptr && nJPEGTableSize > 4 && |
240 | 0 | static_cast<GByte *>(pJPEGTable)[0] == 0xFF && |
241 | 0 | static_cast<GByte *>(pJPEGTable)[1] == 0xD8 && |
242 | 0 | static_cast<GByte *>(pJPEGTable)[nJPEGTableSize - 2] == |
243 | 0 | 0xFF && |
244 | 0 | static_cast<GByte *>(pJPEGTable)[nJPEGTableSize - 1] == |
245 | 0 | 0xD9) |
246 | 0 | { |
247 | 0 | pJPEGTable = static_cast<GByte *>(pJPEGTable) + 2; |
248 | 0 | nJPEGTableSize -= 4; |
249 | 0 | } |
250 | 0 | else |
251 | 0 | { |
252 | 0 | nJPEGTableSize = 0; |
253 | 0 | } |
254 | 0 | } |
255 | |
|
256 | 0 | size_t nSizeSize = static_cast<size_t>(nSize + nJPEGTableSize); |
257 | 0 | if (ppBuffer) |
258 | 0 | { |
259 | 0 | if (!pnBufferSize) |
260 | 0 | return CE_Failure; |
261 | 0 | bool bFreeOnError = false; |
262 | 0 | if (*ppBuffer) |
263 | 0 | { |
264 | 0 | if (*pnBufferSize < nSizeSize) |
265 | 0 | return CE_Failure; |
266 | 0 | } |
267 | 0 | else |
268 | 0 | { |
269 | 0 | *ppBuffer = VSI_MALLOC_VERBOSE(nSizeSize); |
270 | 0 | if (*ppBuffer == nullptr) |
271 | 0 | return CE_Failure; |
272 | 0 | bFreeOnError = true; |
273 | 0 | } |
274 | 0 | const auto nTileSize = static_cast<tmsize_t>(nSize); |
275 | 0 | bool bOK; |
276 | 0 | if (TIFFIsTiled(m_hTIFF)) |
277 | 0 | { |
278 | 0 | bOK = TIFFReadRawTile(m_hTIFF, nBlockId, *ppBuffer, |
279 | 0 | nTileSize) == nTileSize; |
280 | 0 | } |
281 | 0 | else |
282 | 0 | { |
283 | 0 | bOK = TIFFReadRawStrip(m_hTIFF, nBlockId, *ppBuffer, |
284 | 0 | nTileSize) == nTileSize; |
285 | 0 | } |
286 | 0 | if (!bOK) |
287 | 0 | { |
288 | 0 | if (bFreeOnError) |
289 | 0 | { |
290 | 0 | VSIFree(*ppBuffer); |
291 | 0 | *ppBuffer = nullptr; |
292 | 0 | } |
293 | 0 | return CE_Failure; |
294 | 0 | } |
295 | 0 | if (nJPEGTableSize > 0) |
296 | 0 | { |
297 | 0 | GByte *pabyBuffer = static_cast<GByte *>(*ppBuffer); |
298 | 0 | memmove(pabyBuffer + 2 + nJPEGTableSize, pabyBuffer + 2, |
299 | 0 | static_cast<size_t>(nSize) - 2); |
300 | 0 | memcpy(pabyBuffer + 2, pJPEGTable, nJPEGTableSize); |
301 | 0 | } |
302 | |
|
303 | 0 | if (m_nCompression == COMPRESSION_JPEG) |
304 | 0 | { |
305 | 0 | osDetailedFormat = GDALGetCompressionFormatForJPEG( |
306 | 0 | *ppBuffer, nSizeSize); |
307 | 0 | const CPLStringList aosTokens2(CSLTokenizeString2( |
308 | 0 | osDetailedFormat.c_str(), ";", 0)); |
309 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && |
310 | 0 | nBands == 4 && m_nPhotometric == PHOTOMETRIC_RGB && |
311 | 0 | GetRasterBand(4)->GetColorInterpretation() == |
312 | 0 | GCI_AlphaBand) |
313 | 0 | { |
314 | 0 | osDetailedFormat = aosTokens2[0]; |
315 | 0 | for (int i = 1; i < aosTokens2.size(); ++i) |
316 | 0 | { |
317 | 0 | if (!STARTS_WITH_CI(aosTokens2[i], |
318 | 0 | "colorspace=")) |
319 | 0 | { |
320 | 0 | osDetailedFormat += ';'; |
321 | 0 | osDetailedFormat += aosTokens2[i]; |
322 | 0 | } |
323 | 0 | } |
324 | 0 | osDetailedFormat += ";colorspace=RGBA"; |
325 | 0 | } |
326 | 0 | } |
327 | 0 | } |
328 | 0 | if (ppszDetailedFormat) |
329 | 0 | *ppszDetailedFormat = VSIStrdup(osDetailedFormat.c_str()); |
330 | 0 | if (pnBufferSize) |
331 | 0 | *pnBufferSize = nSizeSize; |
332 | 0 | return CE_None; |
333 | 0 | } |
334 | 0 | } |
335 | 0 | } |
336 | 0 | return CE_Failure; |
337 | 0 | } |
338 | | |
339 | | struct GTiffDecompressContext |
340 | | { |
341 | | // The mutex must be recursive because ThreadDecompressionFuncErrorHandler() |
342 | | // which acquires the mutex can be called from a section where the mutex is |
343 | | // already acquired. |
344 | | std::recursive_mutex oMutex{}; |
345 | | bool bSuccess = true; |
346 | | CPLErrorAccumulator oErrorAccumulator{}; |
347 | | |
348 | | VSIVirtualHandle *poHandle = nullptr; |
349 | | GTiffDataset *poDS = nullptr; |
350 | | GDALDataType eDT = GDT_Unknown; |
351 | | int nXOff = 0; |
352 | | int nYOff = 0; |
353 | | int nXSize = 0; |
354 | | int nYSize = 0; |
355 | | int nBlockXStart = 0; |
356 | | int nBlockYStart = 0; |
357 | | int nBlockXEnd = 0; |
358 | | int nBlockYEnd = 0; |
359 | | GByte *pabyData = nullptr; |
360 | | GDALDataType eBufType = GDT_Unknown; |
361 | | int nBufDTSize = 0; |
362 | | int nBandCount = 0; |
363 | | const int *panBandMap = nullptr; |
364 | | GSpacing nPixelSpace = 0; |
365 | | GSpacing nLineSpace = 0; |
366 | | GSpacing nBandSpace = 0; |
367 | | bool bHasPRead = false; |
368 | | bool bCacheAllBands = false; |
369 | | bool bSkipBlockCache = false; |
370 | | bool bUseBIPOptim = false; |
371 | | bool bUseDeinterleaveOptimNoBlockCache = false; |
372 | | bool bUseDeinterleaveOptimBlockCache = false; |
373 | | bool bIsTiled = false; |
374 | | bool bTIFFIsBigEndian = false; |
375 | | int nBlocksPerRow = 0; |
376 | | |
377 | | uint16_t nPredictor = 0; |
378 | | |
379 | | uint32_t nJPEGTableSize = 0; |
380 | | void *pJPEGTable = nullptr; |
381 | | uint16_t nYCrbCrSubSampling0 = 2; |
382 | | uint16_t nYCrbCrSubSampling1 = 2; |
383 | | |
384 | | uint16_t *pExtraSamples = nullptr; |
385 | | uint16_t nExtraSampleCount = 0; |
386 | | }; |
387 | | |
388 | | struct GTiffDecompressJob |
389 | | { |
390 | | GTiffDecompressContext *psContext = nullptr; |
391 | | int iSrcBandIdxSeparate = |
392 | | 0; // in [0, GetRasterCount()-1] in PLANARCONFIG_SEPARATE, or -1 in PLANARCONFIG_CONTIG |
393 | | int iDstBandIdxSeparate = |
394 | | 0; // in [0, nBandCount-1] in PLANARCONFIG_SEPARATE, or -1 in PLANARCONFIG_CONTIG |
395 | | int nXBlock = 0; |
396 | | int nYBlock = 0; |
397 | | vsi_l_offset nOffset = 0; |
398 | | vsi_l_offset nSize = 0; |
399 | | }; |
400 | | |
401 | | /************************************************************************/ |
402 | | /* ThreadDecompressionFunc() */ |
403 | | /************************************************************************/ |
404 | | |
405 | | /* static */ void GTiffDataset::ThreadDecompressionFunc(void *pData) |
406 | 0 | { |
407 | 0 | const auto psJob = static_cast<const GTiffDecompressJob *>(pData); |
408 | 0 | auto psContext = psJob->psContext; |
409 | 0 | auto poDS = psContext->poDS; |
410 | |
|
411 | 0 | auto oAccumulator = psContext->oErrorAccumulator.InstallForCurrentScope(); |
412 | |
|
413 | 0 | const int nBandsPerStrile = |
414 | 0 | poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG ? poDS->nBands : 1; |
415 | 0 | const int nBandsToWrite = poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
416 | 0 | ? psContext->nBandCount |
417 | 0 | : 1; |
418 | |
|
419 | 0 | const int nXOffsetInBlock = psJob->nXBlock == psContext->nBlockXStart |
420 | 0 | ? psContext->nXOff % poDS->m_nBlockXSize |
421 | 0 | : 0; |
422 | 0 | const int nXOffsetInData = |
423 | 0 | psJob->nXBlock == psContext->nBlockXStart |
424 | 0 | ? 0 |
425 | 0 | : (psJob->nXBlock - psContext->nBlockXStart) * poDS->m_nBlockXSize - |
426 | 0 | (psContext->nXOff % poDS->m_nBlockXSize); |
427 | 0 | const int nXSize = |
428 | 0 | psJob->nXBlock == psContext->nBlockXStart |
429 | 0 | ? (psJob->nXBlock == psContext->nBlockXEnd |
430 | 0 | ? psContext->nXSize |
431 | 0 | : poDS->m_nBlockXSize - |
432 | 0 | (psContext->nXOff % poDS->m_nBlockXSize)) |
433 | 0 | : psJob->nXBlock == psContext->nBlockXEnd |
434 | 0 | ? (((psContext->nXOff + psContext->nXSize) % poDS->m_nBlockXSize) == |
435 | 0 | 0 |
436 | 0 | ? poDS->m_nBlockXSize |
437 | 0 | : ((psContext->nXOff + psContext->nXSize) % |
438 | 0 | poDS->m_nBlockXSize)) |
439 | 0 | : poDS->m_nBlockXSize; |
440 | |
|
441 | 0 | const int nYOffsetInBlock = psJob->nYBlock == psContext->nBlockYStart |
442 | 0 | ? psContext->nYOff % poDS->m_nBlockYSize |
443 | 0 | : 0; |
444 | 0 | const int nYOffsetInData = |
445 | 0 | psJob->nYBlock == psContext->nBlockYStart |
446 | 0 | ? 0 |
447 | 0 | : (psJob->nYBlock - psContext->nBlockYStart) * poDS->m_nBlockYSize - |
448 | 0 | (psContext->nYOff % poDS->m_nBlockYSize); |
449 | 0 | const int nYSize = |
450 | 0 | psJob->nYBlock == psContext->nBlockYStart |
451 | 0 | ? (psJob->nYBlock == psContext->nBlockYEnd |
452 | 0 | ? psContext->nYSize |
453 | 0 | : poDS->m_nBlockYSize - |
454 | 0 | (psContext->nYOff % poDS->m_nBlockYSize)) |
455 | 0 | : psJob->nYBlock == psContext->nBlockYEnd |
456 | 0 | ? (((psContext->nYOff + psContext->nYSize) % poDS->m_nBlockYSize) == |
457 | 0 | 0 |
458 | 0 | ? poDS->m_nBlockYSize |
459 | 0 | : ((psContext->nYOff + psContext->nYSize) % |
460 | 0 | poDS->m_nBlockYSize)) |
461 | 0 | : poDS->m_nBlockYSize; |
462 | | #if 0 |
463 | | CPLDebug("GTiff", |
464 | | "nXBlock = %d, nYBlock = %d, " |
465 | | "nXOffsetInBlock = %d, nXOffsetInData = %d, nXSize = %d, " |
466 | | "nYOffsetInBlock = %d, nYOffsetInData = %d, nYSize = %d\n", |
467 | | psJob->nXBlock, psJob->nYBlock, |
468 | | nXOffsetInBlock, nXOffsetInData, nXSize, |
469 | | nYOffsetInBlock, nYOffsetInData, nYSize); |
470 | | #endif |
471 | |
|
472 | 0 | if (psJob->nSize == 0) |
473 | 0 | { |
474 | 0 | { |
475 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
476 | 0 | if (!psContext->bSuccess) |
477 | 0 | return; |
478 | 0 | } |
479 | 0 | const double dfNoDataValue = |
480 | 0 | poDS->m_bNoDataSet ? poDS->m_dfNoDataValue : 0; |
481 | 0 | for (int y = 0; y < nYSize; ++y) |
482 | 0 | { |
483 | 0 | for (int i = 0; i < nBandsToWrite; ++i) |
484 | 0 | { |
485 | 0 | const int iDstBandIdx = |
486 | 0 | poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
487 | 0 | ? i |
488 | 0 | : psJob->iDstBandIdxSeparate; |
489 | 0 | GDALCopyWords64( |
490 | 0 | &dfNoDataValue, GDT_Float64, 0, |
491 | 0 | psContext->pabyData + iDstBandIdx * psContext->nBandSpace + |
492 | 0 | (y + nYOffsetInData) * psContext->nLineSpace + |
493 | 0 | nXOffsetInData * psContext->nPixelSpace, |
494 | 0 | psContext->eBufType, |
495 | 0 | static_cast<int>(psContext->nPixelSpace), nXSize); |
496 | 0 | } |
497 | 0 | } |
498 | 0 | return; |
499 | 0 | } |
500 | | |
501 | 0 | const int nBandsToCache = |
502 | 0 | psContext->bCacheAllBands ? poDS->nBands : nBandsToWrite; |
503 | 0 | std::vector<GDALRasterBlock *> apoBlocks(nBandsToCache); |
504 | 0 | std::vector<bool> abAlreadyLoadedBlocks(nBandsToCache); |
505 | 0 | int nAlreadyLoadedBlocks = 0; |
506 | 0 | std::vector<GByte> abyInput; |
507 | |
|
508 | 0 | struct FreeBlocks |
509 | 0 | { |
510 | 0 | std::vector<GDALRasterBlock *> &m_apoBlocks; |
511 | |
|
512 | 0 | explicit FreeBlocks(std::vector<GDALRasterBlock *> &apoBlocksIn) |
513 | 0 | : m_apoBlocks(apoBlocksIn) |
514 | 0 | { |
515 | 0 | } |
516 | |
|
517 | 0 | ~FreeBlocks() |
518 | 0 | { |
519 | 0 | for (auto *poBlock : m_apoBlocks) |
520 | 0 | { |
521 | 0 | if (poBlock) |
522 | 0 | poBlock->DropLock(); |
523 | 0 | } |
524 | 0 | } |
525 | 0 | }; |
526 | |
|
527 | 0 | FreeBlocks oFreeBlocks(apoBlocks); |
528 | |
|
529 | 0 | const auto LoadBlocks = [&]() |
530 | 0 | { |
531 | 0 | for (int i = 0; i < nBandsToCache; ++i) |
532 | 0 | { |
533 | 0 | const int iBand = psContext->bCacheAllBands ? i + 1 |
534 | 0 | : poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
535 | 0 | ? psContext->panBandMap[i] |
536 | 0 | : psJob->iSrcBandIdxSeparate + 1; |
537 | 0 | apoBlocks[i] = poDS->GetRasterBand(iBand)->TryGetLockedBlockRef( |
538 | 0 | psJob->nXBlock, psJob->nYBlock); |
539 | 0 | if (apoBlocks[i] == nullptr) |
540 | 0 | { |
541 | | // Temporary disabling of dirty block flushing, otherwise |
542 | | // we can be in a deadlock situation, where the |
543 | | // GTiffDataset::SubmitCompressionJob() method waits for jobs |
544 | | // to be finished, that can't finish (actually be started) |
545 | | // because this task and its siblings are taking all the |
546 | | // available workers allowed by the global thread pool. |
547 | 0 | GDALRasterBlock::EnterDisableDirtyBlockFlush(); |
548 | 0 | apoBlocks[i] = poDS->GetRasterBand(iBand)->GetLockedBlockRef( |
549 | 0 | psJob->nXBlock, psJob->nYBlock, TRUE); |
550 | 0 | GDALRasterBlock::LeaveDisableDirtyBlockFlush(); |
551 | 0 | if (apoBlocks[i] == nullptr) |
552 | 0 | return false; |
553 | 0 | } |
554 | 0 | else |
555 | 0 | { |
556 | 0 | abAlreadyLoadedBlocks[i] = true; |
557 | 0 | nAlreadyLoadedBlocks++; |
558 | 0 | } |
559 | 0 | } |
560 | 0 | return true; |
561 | 0 | }; |
562 | |
|
563 | 0 | const auto AllocInputBuffer = [&]() |
564 | 0 | { |
565 | 0 | bool bError = false; |
566 | | #if SIZEOF_VOIDP == 4 |
567 | | if (psJob->nSize != static_cast<size_t>(psJob->nSize)) |
568 | | { |
569 | | bError = true; |
570 | | } |
571 | | else |
572 | | #endif |
573 | 0 | { |
574 | 0 | try |
575 | 0 | { |
576 | 0 | abyInput.resize(static_cast<size_t>(psJob->nSize)); |
577 | 0 | } |
578 | 0 | catch (const std::exception &) |
579 | 0 | { |
580 | 0 | bError = true; |
581 | 0 | } |
582 | 0 | } |
583 | 0 | if (bError) |
584 | 0 | { |
585 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, |
586 | 0 | "Cannot allocate working buffer of size " CPL_FRMT_GUIB, |
587 | 0 | static_cast<GUIntBig>(psJob->nSize)); |
588 | 0 | return false; |
589 | 0 | } |
590 | 0 | return true; |
591 | 0 | }; |
592 | |
|
593 | 0 | if (psContext->bHasPRead) |
594 | 0 | { |
595 | 0 | { |
596 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
597 | 0 | if (!psContext->bSuccess) |
598 | 0 | return; |
599 | | |
600 | | // Coverity Scan notices that GDALRasterBlock::Internalize() calls |
601 | | // CPLSleep() in a debug code path, and warns about that while |
602 | | // holding the above mutex. |
603 | | // coverity[sleep] |
604 | 0 | if (!psContext->bSkipBlockCache && !LoadBlocks()) |
605 | 0 | { |
606 | 0 | psContext->bSuccess = false; |
607 | 0 | return; |
608 | 0 | } |
609 | 0 | } |
610 | 0 | if (nAlreadyLoadedBlocks != nBandsToCache) |
611 | 0 | { |
612 | 0 | if (!AllocInputBuffer()) |
613 | 0 | { |
614 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
615 | 0 | psContext->bSuccess = false; |
616 | 0 | return; |
617 | 0 | } |
618 | 0 | if (psContext->poHandle->PRead(abyInput.data(), abyInput.size(), |
619 | 0 | psJob->nOffset) != abyInput.size()) |
620 | 0 | { |
621 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
622 | 0 | "Cannot read " CPL_FRMT_GUIB |
623 | 0 | " bytes at offset " CPL_FRMT_GUIB, |
624 | 0 | static_cast<GUIntBig>(psJob->nSize), |
625 | 0 | static_cast<GUIntBig>(psJob->nOffset)); |
626 | |
|
627 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
628 | 0 | psContext->bSuccess = false; |
629 | 0 | return; |
630 | 0 | } |
631 | 0 | } |
632 | 0 | } |
633 | 0 | else |
634 | 0 | { |
635 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
636 | 0 | if (!psContext->bSuccess) |
637 | 0 | return; |
638 | | |
639 | | // Coverity Scan notices that GDALRasterBlock::Internalize() calls |
640 | | // CPLSleep() in a debug code path, and warns about that while |
641 | | // holding the above mutex. |
642 | | // coverity[sleep] |
643 | 0 | if (!psContext->bSkipBlockCache && !LoadBlocks()) |
644 | 0 | { |
645 | 0 | psContext->bSuccess = false; |
646 | 0 | return; |
647 | 0 | } |
648 | | |
649 | 0 | if (nAlreadyLoadedBlocks != nBandsToCache) |
650 | 0 | { |
651 | 0 | if (!AllocInputBuffer()) |
652 | 0 | { |
653 | 0 | psContext->bSuccess = false; |
654 | 0 | return; |
655 | 0 | } |
656 | 0 | if (psContext->poHandle->Seek(psJob->nOffset, SEEK_SET) != 0 || |
657 | 0 | psContext->poHandle->Read(abyInput.data(), abyInput.size(), |
658 | 0 | 1) != 1) |
659 | 0 | { |
660 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
661 | 0 | "Cannot read " CPL_FRMT_GUIB |
662 | 0 | " bytes at offset " CPL_FRMT_GUIB, |
663 | 0 | static_cast<GUIntBig>(psJob->nSize), |
664 | 0 | static_cast<GUIntBig>(psJob->nOffset)); |
665 | 0 | psContext->bSuccess = false; |
666 | 0 | return; |
667 | 0 | } |
668 | 0 | } |
669 | 0 | } |
670 | | |
671 | 0 | const int nDTSize = GDALGetDataTypeSizeBytes(psContext->eDT); |
672 | 0 | GByte *pDstPtr = psContext->pabyData + |
673 | 0 | nYOffsetInData * psContext->nLineSpace + |
674 | 0 | nXOffsetInData * psContext->nPixelSpace; |
675 | |
|
676 | 0 | if (nAlreadyLoadedBlocks != nBandsToCache) |
677 | 0 | { |
678 | | // Generate a dummy in-memory TIFF file that has all the needed tags |
679 | | // from the original file |
680 | 0 | const CPLString osTmpFilename( |
681 | 0 | VSIMemGenerateHiddenFilename("decompress.tif")); |
682 | 0 | VSILFILE *fpTmp = VSIFOpenL(osTmpFilename.c_str(), "wb+"); |
683 | 0 | TIFF *hTIFFTmp = |
684 | 0 | VSI_TIFFOpen(osTmpFilename.c_str(), |
685 | 0 | psContext->bTIFFIsBigEndian ? "wb+" : "wl+", fpTmp); |
686 | 0 | CPLAssert(hTIFFTmp != nullptr); |
687 | 0 | const int nBlockYSize = |
688 | 0 | (psContext->bIsTiled || |
689 | 0 | psJob->nYBlock < poDS->m_nBlocksPerColumn - 1) |
690 | 0 | ? poDS->m_nBlockYSize |
691 | 0 | : (poDS->nRasterYSize % poDS->m_nBlockYSize) == 0 |
692 | 0 | ? poDS->m_nBlockYSize |
693 | 0 | : poDS->nRasterYSize % poDS->m_nBlockYSize; |
694 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_IMAGEWIDTH, poDS->m_nBlockXSize); |
695 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_IMAGELENGTH, nBlockYSize); |
696 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_BITSPERSAMPLE, poDS->m_nBitsPerSample); |
697 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_COMPRESSION, poDS->m_nCompression); |
698 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_PHOTOMETRIC, poDS->m_nPhotometric); |
699 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_SAMPLEFORMAT, poDS->m_nSampleFormat); |
700 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_SAMPLESPERPIXEL, |
701 | 0 | poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
702 | 0 | ? poDS->m_nSamplesPerPixel |
703 | 0 | : 1); |
704 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_ROWSPERSTRIP, nBlockYSize); |
705 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_PLANARCONFIG, poDS->m_nPlanarConfig); |
706 | 0 | if (psContext->nPredictor != PREDICTOR_NONE) |
707 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_PREDICTOR, psContext->nPredictor); |
708 | 0 | if (poDS->m_nCompression == COMPRESSION_LERC) |
709 | 0 | { |
710 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_LERC_PARAMETERS, 2, |
711 | 0 | poDS->m_anLercAddCompressionAndVersion); |
712 | 0 | } |
713 | 0 | else if (poDS->m_nCompression == COMPRESSION_JPEG) |
714 | 0 | { |
715 | 0 | if (psContext->pJPEGTable) |
716 | 0 | { |
717 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_JPEGTABLES, |
718 | 0 | psContext->nJPEGTableSize, psContext->pJPEGTable); |
719 | 0 | } |
720 | 0 | if (poDS->m_nPhotometric == PHOTOMETRIC_YCBCR) |
721 | 0 | { |
722 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_YCBCRSUBSAMPLING, |
723 | 0 | psContext->nYCrbCrSubSampling0, |
724 | 0 | psContext->nYCrbCrSubSampling1); |
725 | 0 | } |
726 | 0 | } |
727 | 0 | if (poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG) |
728 | 0 | { |
729 | 0 | if (psContext->pExtraSamples) |
730 | 0 | { |
731 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_EXTRASAMPLES, |
732 | 0 | psContext->nExtraSampleCount, |
733 | 0 | psContext->pExtraSamples); |
734 | 0 | } |
735 | 0 | else |
736 | 0 | { |
737 | 0 | const int nSamplesAccountedFor = |
738 | 0 | poDS->m_nPhotometric == PHOTOMETRIC_RGB ? 3 |
739 | 0 | : poDS->m_nPhotometric == PHOTOMETRIC_MINISBLACK ? 1 |
740 | 0 | : 0; |
741 | 0 | if (nSamplesAccountedFor > 0 && |
742 | 0 | poDS->m_nSamplesPerPixel > nSamplesAccountedFor) |
743 | 0 | { |
744 | | // If the input image is not compliant regarndig ExtraSamples, |
745 | | // generate a synthetic one to avoid gazillons of warnings |
746 | 0 | const auto nExtraSampleCount = static_cast<uint16_t>( |
747 | 0 | poDS->m_nSamplesPerPixel - nSamplesAccountedFor); |
748 | 0 | std::vector<uint16_t> anExtraSamples( |
749 | 0 | nExtraSampleCount, EXTRASAMPLE_UNSPECIFIED); |
750 | 0 | TIFFSetField(hTIFFTmp, TIFFTAG_EXTRASAMPLES, |
751 | 0 | nExtraSampleCount, anExtraSamples.data()); |
752 | 0 | } |
753 | 0 | } |
754 | 0 | } |
755 | 0 | TIFFWriteCheck(hTIFFTmp, FALSE, "ThreadDecompressionFunc"); |
756 | 0 | TIFFWriteDirectory(hTIFFTmp); |
757 | 0 | XTIFFClose(hTIFFTmp); |
758 | | |
759 | | // Re-open file |
760 | 0 | hTIFFTmp = VSI_TIFFOpen(osTmpFilename.c_str(), "r", fpTmp); |
761 | 0 | CPLAssert(hTIFFTmp != nullptr); |
762 | 0 | poDS->RestoreVolatileParameters(hTIFFTmp); |
763 | |
|
764 | 0 | bool bRet = true; |
765 | | // Request m_nBlockYSize line in the block, except on the bottom-most |
766 | | // tile/strip. |
767 | 0 | const int nBlockReqYSize = |
768 | 0 | (psJob->nYBlock < poDS->m_nBlocksPerColumn - 1) |
769 | 0 | ? poDS->m_nBlockYSize |
770 | 0 | : (poDS->nRasterYSize % poDS->m_nBlockYSize) == 0 |
771 | 0 | ? poDS->m_nBlockYSize |
772 | 0 | : poDS->nRasterYSize % poDS->m_nBlockYSize; |
773 | |
|
774 | 0 | const size_t nReqSize = static_cast<size_t>(poDS->m_nBlockXSize) * |
775 | 0 | nBlockReqYSize * nBandsPerStrile * nDTSize; |
776 | |
|
777 | 0 | GByte *pabyOutput; |
778 | 0 | std::vector<GByte> abyOutput; |
779 | 0 | if (poDS->m_nCompression == COMPRESSION_NONE && |
780 | 0 | !TIFFIsByteSwapped(poDS->m_hTIFF) && abyInput.size() >= nReqSize && |
781 | 0 | (psContext->bSkipBlockCache || nBandsPerStrile > 1)) |
782 | 0 | { |
783 | 0 | pabyOutput = abyInput.data(); |
784 | 0 | } |
785 | 0 | else |
786 | 0 | { |
787 | 0 | if (psContext->bSkipBlockCache || nBandsPerStrile > 1) |
788 | 0 | { |
789 | 0 | abyOutput.resize(nReqSize); |
790 | 0 | pabyOutput = abyOutput.data(); |
791 | 0 | } |
792 | 0 | else |
793 | 0 | { |
794 | 0 | pabyOutput = static_cast<GByte *>(apoBlocks[0]->GetDataRef()); |
795 | 0 | } |
796 | 0 | if (!TIFFReadFromUserBuffer(hTIFFTmp, 0, abyInput.data(), |
797 | 0 | abyInput.size(), pabyOutput, |
798 | 0 | nReqSize) && |
799 | 0 | !poDS->m_bIgnoreReadErrors) |
800 | 0 | { |
801 | 0 | bRet = false; |
802 | 0 | } |
803 | 0 | } |
804 | 0 | XTIFFClose(hTIFFTmp); |
805 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTmp)); |
806 | 0 | VSIUnlink(osTmpFilename.c_str()); |
807 | |
|
808 | 0 | if (!bRet) |
809 | 0 | { |
810 | 0 | std::lock_guard<std::recursive_mutex> oLock(psContext->oMutex); |
811 | 0 | psContext->bSuccess = false; |
812 | 0 | return; |
813 | 0 | } |
814 | | |
815 | 0 | if (!psContext->bSkipBlockCache && nBandsPerStrile > 1) |
816 | 0 | { |
817 | | // Copy pixel-interleaved all-band buffer to cached blocks |
818 | |
|
819 | 0 | if (psContext->bUseDeinterleaveOptimBlockCache) |
820 | 0 | { |
821 | | // Optimization |
822 | 0 | std::vector<void *> ppDestBuffers(poDS->nBands); |
823 | 0 | for (int i = 0; i < poDS->nBands; ++i) |
824 | 0 | { |
825 | 0 | ppDestBuffers[i] = apoBlocks[i]->GetDataRef(); |
826 | 0 | } |
827 | 0 | GDALDeinterleave(pabyOutput, psContext->eDT, poDS->nBands, |
828 | 0 | ppDestBuffers.data(), psContext->eDT, |
829 | 0 | static_cast<size_t>(nBlockReqYSize) * |
830 | 0 | poDS->m_nBlockXSize); |
831 | 0 | } |
832 | 0 | else |
833 | 0 | { |
834 | | // General case |
835 | 0 | for (int i = 0; i < nBandsToCache; ++i) |
836 | 0 | { |
837 | 0 | if (!abAlreadyLoadedBlocks[i]) |
838 | 0 | { |
839 | 0 | const int iBand = psContext->bCacheAllBands |
840 | 0 | ? i |
841 | 0 | : psContext->panBandMap[i] - 1; |
842 | 0 | GDALCopyWords64(pabyOutput + iBand * nDTSize, |
843 | 0 | psContext->eDT, nDTSize * poDS->nBands, |
844 | 0 | apoBlocks[i]->GetDataRef(), |
845 | 0 | psContext->eDT, nDTSize, |
846 | 0 | static_cast<size_t>(nBlockReqYSize) * |
847 | 0 | poDS->m_nBlockXSize); |
848 | 0 | } |
849 | 0 | } |
850 | 0 | } |
851 | 0 | } |
852 | |
|
853 | 0 | const GByte *pSrcPtr = |
854 | 0 | pabyOutput + |
855 | 0 | (static_cast<size_t>(nYOffsetInBlock) * poDS->m_nBlockXSize + |
856 | 0 | nXOffsetInBlock) * |
857 | 0 | nDTSize * nBandsPerStrile; |
858 | 0 | const size_t nSrcLineInc = static_cast<size_t>(poDS->m_nBlockXSize) * |
859 | 0 | nDTSize * nBandsPerStrile; |
860 | | |
861 | | // Optimization when writing to BIP buffer. |
862 | 0 | if (psContext->bUseBIPOptim) |
863 | 0 | { |
864 | 0 | for (int y = 0; y < nYSize; ++y) |
865 | 0 | { |
866 | 0 | GDALCopyWords64(pSrcPtr, psContext->eDT, nDTSize, pDstPtr, |
867 | 0 | psContext->eBufType, psContext->nBufDTSize, |
868 | 0 | static_cast<size_t>(nXSize) * poDS->nBands); |
869 | 0 | pSrcPtr += nSrcLineInc; |
870 | 0 | pDstPtr += psContext->nLineSpace; |
871 | 0 | } |
872 | 0 | return; |
873 | 0 | } |
874 | | |
875 | 0 | if (psContext->bSkipBlockCache) |
876 | 0 | { |
877 | | // Copy from pixel-interleaved all-band buffer (or temporary buffer |
878 | | // for single-band/separate case) into final buffer |
879 | 0 | if (psContext->bUseDeinterleaveOptimNoBlockCache) |
880 | 0 | { |
881 | | // Optimization |
882 | 0 | std::vector<void *> ppDestBuffers(psContext->nBandCount); |
883 | 0 | for (int i = 0; i < psContext->nBandCount; ++i) |
884 | 0 | { |
885 | 0 | ppDestBuffers[i] = |
886 | 0 | pDstPtr + |
887 | 0 | (psContext->panBandMap[i] - 1) * psContext->nBandSpace; |
888 | 0 | } |
889 | 0 | for (int y = 0; y < nYSize; ++y) |
890 | 0 | { |
891 | 0 | GDALDeinterleave( |
892 | 0 | pSrcPtr, psContext->eDT, psContext->nBandCount, |
893 | 0 | ppDestBuffers.data(), psContext->eDT, nXSize); |
894 | 0 | pSrcPtr += nSrcLineInc; |
895 | 0 | for (int i = 0; i < psContext->nBandCount; ++i) |
896 | 0 | { |
897 | 0 | ppDestBuffers[i] = |
898 | 0 | static_cast<GByte *>(ppDestBuffers[i]) + |
899 | 0 | psContext->nLineSpace; |
900 | 0 | } |
901 | 0 | } |
902 | 0 | return; |
903 | 0 | } |
904 | | |
905 | | // General case |
906 | 0 | for (int y = 0; y < nYSize; ++y) |
907 | 0 | { |
908 | 0 | for (int i = 0; i < nBandsToWrite; ++i) |
909 | 0 | { |
910 | 0 | const int iSrcBandIdx = |
911 | 0 | poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
912 | 0 | ? psContext->panBandMap[i] - 1 |
913 | 0 | : 0; |
914 | 0 | const int iDstBandIdx = |
915 | 0 | poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
916 | 0 | ? i |
917 | 0 | : psJob->iDstBandIdxSeparate; |
918 | 0 | GDALCopyWords64( |
919 | 0 | pSrcPtr + iSrcBandIdx * nDTSize + y * nSrcLineInc, |
920 | 0 | psContext->eDT, nDTSize * nBandsPerStrile, |
921 | 0 | pDstPtr + iDstBandIdx * psContext->nBandSpace + |
922 | 0 | y * psContext->nLineSpace, |
923 | 0 | psContext->eBufType, |
924 | 0 | static_cast<int>(psContext->nPixelSpace), nXSize); |
925 | 0 | } |
926 | 0 | } |
927 | 0 | return; |
928 | 0 | } |
929 | 0 | } |
930 | | |
931 | 0 | CPLAssert(!psContext->bSkipBlockCache); |
932 | | |
933 | | // Compose cached blocks into final buffer |
934 | 0 | for (int i = 0; i < nBandsToWrite; ++i) |
935 | 0 | { |
936 | 0 | const int iSrcBandIdx = |
937 | 0 | psContext->bCacheAllBands ? psContext->panBandMap[i] - 1 |
938 | 0 | : poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG ? i |
939 | 0 | : 0; |
940 | 0 | assert(iSrcBandIdx >= 0); |
941 | 0 | const int iDstBandIdx = poDS->m_nPlanarConfig == PLANARCONFIG_CONTIG |
942 | 0 | ? i |
943 | 0 | : psJob->iDstBandIdxSeparate; |
944 | 0 | const GByte *pSrcPtr = |
945 | 0 | static_cast<GByte *>(apoBlocks[iSrcBandIdx]->GetDataRef()) + |
946 | 0 | (static_cast<size_t>(nYOffsetInBlock) * poDS->m_nBlockXSize + |
947 | 0 | nXOffsetInBlock) * |
948 | 0 | nDTSize; |
949 | 0 | for (int y = 0; y < nYSize; ++y) |
950 | 0 | { |
951 | 0 | GDALCopyWords64(pSrcPtr + static_cast<size_t>(y) * |
952 | 0 | poDS->m_nBlockXSize * nDTSize, |
953 | 0 | psContext->eDT, nDTSize, |
954 | 0 | pDstPtr + iDstBandIdx * psContext->nBandSpace + |
955 | 0 | y * psContext->nLineSpace, |
956 | 0 | psContext->eBufType, |
957 | 0 | static_cast<int>(psContext->nPixelSpace), nXSize); |
958 | 0 | } |
959 | 0 | } |
960 | 0 | } |
961 | | |
962 | | /************************************************************************/ |
963 | | /* IsMultiThreadedReadCompatible() */ |
964 | | /************************************************************************/ |
965 | | |
966 | | bool GTiffDataset::IsMultiThreadedReadCompatible() const |
967 | 0 | { |
968 | 0 | return cpl::down_cast<GTiffRasterBand *>(papoBands[0]) |
969 | 0 | ->IsBaseGTiffClass() && |
970 | 0 | !m_bStreamingIn && !m_bStreamingOut && |
971 | 0 | (m_nCompression == COMPRESSION_NONE || |
972 | 0 | m_nCompression == COMPRESSION_ADOBE_DEFLATE || |
973 | 0 | m_nCompression == COMPRESSION_LZW || |
974 | 0 | m_nCompression == COMPRESSION_PACKBITS || |
975 | 0 | m_nCompression == COMPRESSION_LZMA || |
976 | 0 | m_nCompression == COMPRESSION_ZSTD || |
977 | 0 | m_nCompression == COMPRESSION_LERC || |
978 | 0 | m_nCompression == COMPRESSION_JXL || |
979 | 0 | m_nCompression == COMPRESSION_JXL_DNG_1_7 || |
980 | 0 | m_nCompression == COMPRESSION_WEBP || |
981 | 0 | m_nCompression == COMPRESSION_JPEG); |
982 | 0 | } |
983 | | |
984 | | /************************************************************************/ |
985 | | /* MultiThreadedRead() */ |
986 | | /************************************************************************/ |
987 | | |
988 | | CPLErr GTiffDataset::MultiThreadedRead(int nXOff, int nYOff, int nXSize, |
989 | | int nYSize, void *pData, |
990 | | GDALDataType eBufType, int nBandCount, |
991 | | const int *panBandMap, |
992 | | GSpacing nPixelSpace, |
993 | | GSpacing nLineSpace, GSpacing nBandSpace) |
994 | 0 | { |
995 | 0 | auto poQueue = m_poThreadPool->CreateJobQueue(); |
996 | 0 | if (poQueue == nullptr) |
997 | 0 | { |
998 | 0 | return CE_Failure; |
999 | 0 | } |
1000 | | |
1001 | 0 | const int nBlockXStart = nXOff / m_nBlockXSize; |
1002 | 0 | const int nBlockYStart = nYOff / m_nBlockYSize; |
1003 | 0 | const int nBlockXEnd = (nXOff + nXSize - 1) / m_nBlockXSize; |
1004 | 0 | const int nBlockYEnd = (nYOff + nYSize - 1) / m_nBlockYSize; |
1005 | 0 | const int nXBlocks = nBlockXEnd - nBlockXStart + 1; |
1006 | 0 | const int nYBlocks = nBlockYEnd - nBlockYStart + 1; |
1007 | 0 | const int nStrilePerBlock = |
1008 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG ? 1 : nBandCount; |
1009 | 0 | const int nBlocks = nXBlocks * nYBlocks * nStrilePerBlock; |
1010 | |
|
1011 | 0 | GTiffDecompressContext sContext; |
1012 | 0 | sContext.poHandle = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)); |
1013 | 0 | sContext.bHasPRead = |
1014 | 0 | sContext.poHandle->HasPRead() |
1015 | 0 | #ifdef DEBUG |
1016 | 0 | && CPLTestBool(CPLGetConfigOption("GTIFF_ALLOW_PREAD", "YES")) |
1017 | 0 | #endif |
1018 | 0 | ; |
1019 | 0 | sContext.poDS = this; |
1020 | 0 | sContext.eDT = GetRasterBand(1)->GetRasterDataType(); |
1021 | 0 | sContext.nXOff = nXOff; |
1022 | 0 | sContext.nYOff = nYOff; |
1023 | 0 | sContext.nXSize = nXSize; |
1024 | 0 | sContext.nYSize = nYSize; |
1025 | 0 | sContext.nBlockXStart = nBlockXStart; |
1026 | 0 | sContext.nBlockXEnd = nBlockXEnd; |
1027 | 0 | sContext.nBlockYStart = nBlockYStart; |
1028 | 0 | sContext.nBlockYEnd = nBlockYEnd; |
1029 | 0 | sContext.pabyData = static_cast<GByte *>(pData); |
1030 | 0 | sContext.eBufType = eBufType; |
1031 | 0 | sContext.nBufDTSize = GDALGetDataTypeSizeBytes(eBufType); |
1032 | 0 | sContext.nBandCount = nBandCount; |
1033 | 0 | sContext.panBandMap = panBandMap; |
1034 | 0 | sContext.nPixelSpace = nPixelSpace; |
1035 | 0 | sContext.nLineSpace = nLineSpace; |
1036 | | // Setting nBandSpace to a dummy value when nBandCount == 1 helps detecting |
1037 | | // bad computations of target buffer address |
1038 | | // (https://github.com/rasterio/rasterio/issues/2847) |
1039 | 0 | sContext.nBandSpace = nBandCount == 1 ? 0xDEADBEEF : nBandSpace; |
1040 | 0 | sContext.bIsTiled = CPL_TO_BOOL(TIFFIsTiled(m_hTIFF)); |
1041 | 0 | sContext.bTIFFIsBigEndian = CPL_TO_BOOL(TIFFIsBigEndian(m_hTIFF)); |
1042 | 0 | sContext.nPredictor = PREDICTOR_NONE; |
1043 | 0 | sContext.nBlocksPerRow = m_nBlocksPerRow; |
1044 | |
|
1045 | 0 | if (m_bDirectIO) |
1046 | 0 | { |
1047 | 0 | sContext.bSkipBlockCache = true; |
1048 | 0 | } |
1049 | 0 | else if (nXOff == 0 && nYOff == 0 && nXSize == nRasterXSize && |
1050 | 0 | nYSize == nRasterYSize) |
1051 | 0 | { |
1052 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
1053 | 0 | { |
1054 | 0 | sContext.bSkipBlockCache = true; |
1055 | 0 | } |
1056 | 0 | else if (nBandCount == nBands) |
1057 | 0 | { |
1058 | 0 | sContext.bSkipBlockCache = true; |
1059 | 0 | for (int i = 0; i < nBands; ++i) |
1060 | 0 | { |
1061 | 0 | if (panBandMap[i] != i + 1) |
1062 | 0 | { |
1063 | 0 | sContext.bSkipBlockCache = false; |
1064 | 0 | break; |
1065 | 0 | } |
1066 | 0 | } |
1067 | 0 | } |
1068 | 0 | } |
1069 | |
|
1070 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBandCount == nBands && |
1071 | 0 | nPixelSpace == nBands * static_cast<GSpacing>(sContext.nBufDTSize)) |
1072 | 0 | { |
1073 | 0 | sContext.bUseBIPOptim = true; |
1074 | 0 | for (int i = 0; i < nBands; ++i) |
1075 | 0 | { |
1076 | 0 | if (panBandMap[i] != i + 1) |
1077 | 0 | { |
1078 | 0 | sContext.bUseBIPOptim = false; |
1079 | 0 | break; |
1080 | 0 | } |
1081 | 0 | } |
1082 | 0 | } |
1083 | |
|
1084 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && |
1085 | 0 | (nBands == 3 || nBands == 4) && nBands == nBandCount && |
1086 | 0 | (sContext.eDT == GDT_Byte || sContext.eDT == GDT_Int16 || |
1087 | 0 | sContext.eDT == GDT_UInt16)) |
1088 | 0 | { |
1089 | 0 | if (sContext.bSkipBlockCache) |
1090 | 0 | { |
1091 | 0 | if (sContext.eBufType == sContext.eDT && |
1092 | 0 | nPixelSpace == sContext.nBufDTSize) |
1093 | 0 | { |
1094 | 0 | sContext.bUseDeinterleaveOptimNoBlockCache = true; |
1095 | 0 | } |
1096 | 0 | } |
1097 | 0 | else |
1098 | 0 | { |
1099 | 0 | sContext.bUseDeinterleaveOptimBlockCache = true; |
1100 | 0 | for (int i = 0; i < nBands; ++i) |
1101 | 0 | { |
1102 | 0 | if (panBandMap[i] != i + 1) |
1103 | 0 | { |
1104 | 0 | sContext.bUseDeinterleaveOptimBlockCache = false; |
1105 | 0 | break; |
1106 | 0 | } |
1107 | 0 | } |
1108 | 0 | } |
1109 | 0 | } |
1110 | | |
1111 | | // In contig mode, if only one band is requested, check if we have |
1112 | | // enough cache to cache all bands. |
1113 | 0 | if (!sContext.bSkipBlockCache && nBands != 1 && |
1114 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG && nBandCount == 1) |
1115 | 0 | { |
1116 | 0 | const GIntBig nRequiredMem = static_cast<GIntBig>(nBands) * nXBlocks * |
1117 | 0 | nYBlocks * m_nBlockXSize * m_nBlockYSize * |
1118 | 0 | GDALGetDataTypeSizeBytes(sContext.eDT); |
1119 | 0 | if (nRequiredMem > GDALGetCacheMax64()) |
1120 | 0 | { |
1121 | 0 | if (!m_bHasWarnedDisableAggressiveBandCaching) |
1122 | 0 | { |
1123 | 0 | CPLDebug("GTiff", |
1124 | 0 | "Disable aggressive band caching. " |
1125 | 0 | "Cache not big enough. " |
1126 | 0 | "At least " CPL_FRMT_GIB " bytes necessary", |
1127 | 0 | nRequiredMem); |
1128 | 0 | m_bHasWarnedDisableAggressiveBandCaching = true; |
1129 | 0 | } |
1130 | 0 | } |
1131 | 0 | else |
1132 | 0 | { |
1133 | 0 | sContext.bCacheAllBands = true; |
1134 | 0 | if ((nBands == 3 || nBands == 4) && |
1135 | 0 | (sContext.eDT == GDT_Byte || sContext.eDT == GDT_Int16 || |
1136 | 0 | sContext.eDT == GDT_UInt16)) |
1137 | 0 | { |
1138 | 0 | sContext.bUseDeinterleaveOptimBlockCache = true; |
1139 | 0 | } |
1140 | 0 | } |
1141 | 0 | } |
1142 | |
|
1143 | 0 | if (eAccess == GA_Update) |
1144 | 0 | { |
1145 | 0 | std::vector<int> anBandsToCheck; |
1146 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands > 1) |
1147 | 0 | { |
1148 | 0 | for (int i = 0; i < nBands; ++i) |
1149 | 0 | { |
1150 | 0 | anBandsToCheck.push_back(i); |
1151 | 0 | } |
1152 | 0 | } |
1153 | 0 | else |
1154 | 0 | { |
1155 | 0 | for (int i = 0; i < nBandCount; ++i) |
1156 | 0 | { |
1157 | 0 | anBandsToCheck.push_back(panBandMap[i] - 1); |
1158 | 0 | } |
1159 | 0 | } |
1160 | 0 | if (!anBandsToCheck.empty()) |
1161 | 0 | { |
1162 | | // If at least one block in the region of intersest is dirty, |
1163 | | // fallback to normal reading code path to be able to retrieve |
1164 | | // content partly from the block cache. |
1165 | | // An alternative that was implemented in GDAL 3.6 to 3.8.0 was |
1166 | | // to flush dirty blocks, but this could cause many write&read&write |
1167 | | // cycles in some gdalwarp scenarios. |
1168 | | // Cf https://github.com/OSGeo/gdal/issues/8729 |
1169 | 0 | bool bUseBaseImplementation = false; |
1170 | 0 | for (int y = 0; y < nYBlocks; ++y) |
1171 | 0 | { |
1172 | 0 | for (int x = 0; x < nXBlocks; ++x) |
1173 | 0 | { |
1174 | 0 | for (const int iBand : anBandsToCheck) |
1175 | 0 | { |
1176 | 0 | if (m_nLoadedBlock >= 0 && m_bLoadedBlockDirty && |
1177 | 0 | cpl::down_cast<GTiffRasterBand *>(papoBands[iBand]) |
1178 | 0 | ->ComputeBlockId(nBlockXStart + x, |
1179 | 0 | nBlockYStart + y) == |
1180 | 0 | m_nLoadedBlock) |
1181 | 0 | { |
1182 | 0 | bUseBaseImplementation = true; |
1183 | 0 | goto after_loop; |
1184 | 0 | } |
1185 | 0 | auto poBlock = papoBands[iBand]->TryGetLockedBlockRef( |
1186 | 0 | nBlockXStart + x, nBlockYStart + y); |
1187 | 0 | if (poBlock) |
1188 | 0 | { |
1189 | 0 | if (poBlock->GetDirty()) |
1190 | 0 | { |
1191 | 0 | poBlock->DropLock(); |
1192 | 0 | bUseBaseImplementation = true; |
1193 | 0 | goto after_loop; |
1194 | 0 | } |
1195 | 0 | poBlock->DropLock(); |
1196 | 0 | } |
1197 | 0 | } |
1198 | 0 | } |
1199 | 0 | } |
1200 | 0 | after_loop: |
1201 | 0 | if (bUseBaseImplementation) |
1202 | 0 | { |
1203 | 0 | ++m_nDisableMultiThreadedRead; |
1204 | 0 | GDALRasterIOExtraArg sExtraArg; |
1205 | 0 | INIT_RASTERIO_EXTRA_ARG(sExtraArg); |
1206 | 0 | const CPLErr eErr = GDALDataset::IRasterIO( |
1207 | 0 | GF_Read, nXOff, nYOff, nXSize, nYSize, pData, nXSize, |
1208 | 0 | nYSize, eBufType, nBandCount, const_cast<int *>(panBandMap), |
1209 | 0 | nPixelSpace, nLineSpace, nBandSpace, &sExtraArg); |
1210 | 0 | --m_nDisableMultiThreadedRead; |
1211 | 0 | return eErr; |
1212 | 0 | } |
1213 | 0 | } |
1214 | | |
1215 | | // Make sure that all blocks that we are going to read and that are |
1216 | | // being written by a worker thread are completed. |
1217 | | // cppcheck-suppress constVariableReference |
1218 | 0 | auto &oQueue = |
1219 | 0 | m_poBaseDS ? m_poBaseDS->m_asQueueJobIdx : m_asQueueJobIdx; |
1220 | 0 | if (!oQueue.empty()) |
1221 | 0 | { |
1222 | 0 | for (int y = 0; y < nYBlocks; ++y) |
1223 | 0 | { |
1224 | 0 | for (int x = 0; x < nXBlocks; ++x) |
1225 | 0 | { |
1226 | 0 | for (int i = 0; i < nStrilePerBlock; ++i) |
1227 | 0 | { |
1228 | 0 | int nBlockId = |
1229 | 0 | nBlockXStart + x + |
1230 | 0 | (nBlockYStart + y) * sContext.nBlocksPerRow; |
1231 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
1232 | 0 | nBlockId += (panBandMap[i] - 1) * m_nBlocksPerBand; |
1233 | |
|
1234 | 0 | WaitCompletionForBlock(nBlockId); |
1235 | 0 | } |
1236 | 0 | } |
1237 | 0 | } |
1238 | 0 | } |
1239 | | |
1240 | | // Flush to file, and then to disk if using pread() interface |
1241 | 0 | VSI_TIFFFlushBufferedWrite(TIFFClientdata(m_hTIFF)); |
1242 | 0 | if (sContext.bHasPRead) |
1243 | 0 | sContext.poHandle->Flush(); |
1244 | 0 | } |
1245 | | |
1246 | 0 | if (GTIFFSupportsPredictor(m_nCompression)) |
1247 | 0 | { |
1248 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_PREDICTOR, &sContext.nPredictor); |
1249 | 0 | } |
1250 | 0 | else if (m_nCompression == COMPRESSION_JPEG) |
1251 | 0 | { |
1252 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_JPEGTABLES, &sContext.nJPEGTableSize, |
1253 | 0 | &sContext.pJPEGTable); |
1254 | 0 | if (m_nPhotometric == PHOTOMETRIC_YCBCR) |
1255 | 0 | { |
1256 | 0 | TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_YCBCRSUBSAMPLING, |
1257 | 0 | &sContext.nYCrbCrSubSampling0, |
1258 | 0 | &sContext.nYCrbCrSubSampling1); |
1259 | 0 | } |
1260 | 0 | } |
1261 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG) |
1262 | 0 | { |
1263 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_EXTRASAMPLES, &sContext.nExtraSampleCount, |
1264 | 0 | &sContext.pExtraSamples); |
1265 | 0 | } |
1266 | | |
1267 | | // Create one job per tile/strip |
1268 | 0 | vsi_l_offset nFileSize = 0; |
1269 | 0 | std::vector<GTiffDecompressJob> asJobs(nBlocks); |
1270 | 0 | std::vector<vsi_l_offset> anOffsets(nBlocks); |
1271 | 0 | std::vector<size_t> anSizes(nBlocks); |
1272 | 0 | int iJob = 0; |
1273 | 0 | int nAdviseReadRanges = 0; |
1274 | 0 | const size_t nAdviseReadTotalBytesLimit = |
1275 | 0 | sContext.poHandle->GetAdviseReadTotalBytesLimit(); |
1276 | 0 | size_t nAdviseReadAccBytes = 0; |
1277 | 0 | for (int y = 0; y < nYBlocks; ++y) |
1278 | 0 | { |
1279 | 0 | for (int x = 0; x < nXBlocks; ++x) |
1280 | 0 | { |
1281 | 0 | for (int i = 0; i < nStrilePerBlock; ++i) |
1282 | 0 | { |
1283 | 0 | asJobs[iJob].psContext = &sContext; |
1284 | 0 | asJobs[iJob].iSrcBandIdxSeparate = |
1285 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG ? -1 |
1286 | 0 | : panBandMap[i] - 1; |
1287 | 0 | asJobs[iJob].iDstBandIdxSeparate = |
1288 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG ? -1 : i; |
1289 | 0 | asJobs[iJob].nXBlock = nBlockXStart + x; |
1290 | 0 | asJobs[iJob].nYBlock = nBlockYStart + y; |
1291 | |
|
1292 | 0 | int nBlockId = asJobs[iJob].nXBlock + |
1293 | 0 | asJobs[iJob].nYBlock * sContext.nBlocksPerRow; |
1294 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
1295 | 0 | nBlockId += |
1296 | 0 | asJobs[iJob].iSrcBandIdxSeparate * m_nBlocksPerBand; |
1297 | |
|
1298 | 0 | bool bErrorInIsBlockAvailable = false; |
1299 | 0 | if (!sContext.bHasPRead) |
1300 | 0 | { |
1301 | | // Taking the mutex here is only needed when bHasPRead == |
1302 | | // false since we could have concurrent uses of the handle, |
1303 | | // when when reading the TIFF TileOffsets / TileByteCounts |
1304 | | // array |
1305 | 0 | std::lock_guard<std::recursive_mutex> oLock( |
1306 | 0 | sContext.oMutex); |
1307 | |
|
1308 | 0 | CPL_IGNORE_RET_VAL(IsBlockAvailable( |
1309 | 0 | nBlockId, &asJobs[iJob].nOffset, &asJobs[iJob].nSize, |
1310 | 0 | &bErrorInIsBlockAvailable)); |
1311 | 0 | } |
1312 | 0 | else |
1313 | 0 | { |
1314 | 0 | CPL_IGNORE_RET_VAL(IsBlockAvailable( |
1315 | 0 | nBlockId, &asJobs[iJob].nOffset, &asJobs[iJob].nSize, |
1316 | 0 | &bErrorInIsBlockAvailable)); |
1317 | 0 | } |
1318 | 0 | if (bErrorInIsBlockAvailable) |
1319 | 0 | { |
1320 | 0 | ReportError(CE_Failure, CPLE_AppDefined, |
1321 | 0 | "Error while getting location of block %d", |
1322 | 0 | nBlockId); |
1323 | 0 | std::lock_guard<std::recursive_mutex> oLock( |
1324 | 0 | sContext.oMutex); |
1325 | 0 | sContext.bSuccess = false; |
1326 | 0 | return CE_Failure; |
1327 | 0 | } |
1328 | | |
1329 | | // Sanity check on block size |
1330 | 0 | if (asJobs[iJob].nSize > 100U * 1024 * 1024) |
1331 | 0 | { |
1332 | 0 | if (nFileSize == 0) |
1333 | 0 | { |
1334 | 0 | std::lock_guard<std::recursive_mutex> oLock( |
1335 | 0 | sContext.oMutex); |
1336 | 0 | sContext.poHandle->Seek(0, SEEK_END); |
1337 | 0 | nFileSize = sContext.poHandle->Tell(); |
1338 | 0 | } |
1339 | 0 | if (asJobs[iJob].nSize > nFileSize) |
1340 | 0 | { |
1341 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
1342 | 0 | "Cannot read " CPL_FRMT_GUIB |
1343 | 0 | " bytes at offset " CPL_FRMT_GUIB, |
1344 | 0 | static_cast<GUIntBig>(asJobs[iJob].nSize), |
1345 | 0 | static_cast<GUIntBig>(asJobs[iJob].nOffset)); |
1346 | |
|
1347 | 0 | std::lock_guard<std::recursive_mutex> oLock( |
1348 | 0 | sContext.oMutex); |
1349 | 0 | sContext.bSuccess = false; |
1350 | 0 | return CE_Failure; |
1351 | 0 | } |
1352 | 0 | } |
1353 | | |
1354 | | // Only request in AdviseRead() ranges for blocks we don't |
1355 | | // have in cache. |
1356 | 0 | bool bAddToAdviseRead = true; |
1357 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
1358 | 0 | { |
1359 | 0 | auto poBlock = |
1360 | 0 | GetRasterBand(panBandMap[i]) |
1361 | 0 | ->TryGetLockedBlockRef(asJobs[iJob].nXBlock, |
1362 | 0 | asJobs[iJob].nYBlock); |
1363 | 0 | if (poBlock) |
1364 | 0 | { |
1365 | 0 | poBlock->DropLock(); |
1366 | 0 | bAddToAdviseRead = false; |
1367 | 0 | } |
1368 | 0 | } |
1369 | 0 | else |
1370 | 0 | { |
1371 | 0 | bool bAllCached = true; |
1372 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1373 | 0 | { |
1374 | 0 | auto poBlock = |
1375 | 0 | GetRasterBand(panBandMap[iBand]) |
1376 | 0 | ->TryGetLockedBlockRef(asJobs[iJob].nXBlock, |
1377 | 0 | asJobs[iJob].nYBlock); |
1378 | 0 | if (poBlock) |
1379 | 0 | { |
1380 | 0 | poBlock->DropLock(); |
1381 | 0 | } |
1382 | 0 | else |
1383 | 0 | { |
1384 | 0 | bAllCached = false; |
1385 | 0 | break; |
1386 | 0 | } |
1387 | 0 | } |
1388 | 0 | if (bAllCached) |
1389 | 0 | bAddToAdviseRead = false; |
1390 | 0 | } |
1391 | |
|
1392 | 0 | if (bAddToAdviseRead) |
1393 | 0 | { |
1394 | 0 | anOffsets[nAdviseReadRanges] = asJobs[iJob].nOffset; |
1395 | 0 | anSizes[nAdviseReadRanges] = |
1396 | 0 | static_cast<size_t>(std::min<vsi_l_offset>( |
1397 | 0 | std::numeric_limits<size_t>::max(), |
1398 | 0 | asJobs[iJob].nSize)); |
1399 | | |
1400 | | // If the total number of bytes we must read excess the |
1401 | | // capacity of AdviseRead(), then split the RasterIO() |
1402 | | // request in 2 halves. |
1403 | 0 | if (nAdviseReadTotalBytesLimit > 0 && |
1404 | 0 | anSizes[nAdviseReadRanges] < |
1405 | 0 | nAdviseReadTotalBytesLimit && |
1406 | 0 | anSizes[nAdviseReadRanges] > |
1407 | 0 | nAdviseReadTotalBytesLimit - nAdviseReadAccBytes && |
1408 | 0 | nYBlocks >= 2) |
1409 | 0 | { |
1410 | 0 | const int nYOff2 = |
1411 | 0 | (nBlockYStart + nYBlocks / 2) * m_nBlockYSize; |
1412 | 0 | CPLDebugOnly("GTiff", |
1413 | 0 | "Splitting request (%d,%d,%dx%d) into " |
1414 | 0 | "(%d,%d,%dx%d) and (%d,%d,%dx%d)", |
1415 | 0 | nXOff, nYOff, nXSize, nYSize, nXOff, nYOff, |
1416 | 0 | nXSize, nYOff2 - nYOff, nXOff, nYOff2, |
1417 | 0 | nXSize, nYOff + nYSize - nYOff2); |
1418 | |
|
1419 | 0 | asJobs.clear(); |
1420 | 0 | anOffsets.clear(); |
1421 | 0 | anSizes.clear(); |
1422 | 0 | poQueue.reset(); |
1423 | |
|
1424 | 0 | CPLErr eErr = MultiThreadedRead( |
1425 | 0 | nXOff, nYOff, nXSize, nYOff2 - nYOff, pData, |
1426 | 0 | eBufType, nBandCount, panBandMap, nPixelSpace, |
1427 | 0 | nLineSpace, nBandSpace); |
1428 | 0 | if (eErr == CE_None) |
1429 | 0 | { |
1430 | 0 | eErr = MultiThreadedRead( |
1431 | 0 | nXOff, nYOff2, nXSize, nYOff + nYSize - nYOff2, |
1432 | 0 | static_cast<GByte *>(pData) + |
1433 | 0 | (nYOff2 - nYOff) * nLineSpace, |
1434 | 0 | eBufType, nBandCount, panBandMap, nPixelSpace, |
1435 | 0 | nLineSpace, nBandSpace); |
1436 | 0 | } |
1437 | 0 | return eErr; |
1438 | 0 | } |
1439 | 0 | nAdviseReadAccBytes += anSizes[nAdviseReadRanges]; |
1440 | |
|
1441 | 0 | ++nAdviseReadRanges; |
1442 | 0 | } |
1443 | | |
1444 | 0 | ++iJob; |
1445 | 0 | } |
1446 | 0 | } |
1447 | 0 | } |
1448 | | |
1449 | 0 | if (sContext.bSuccess) |
1450 | 0 | { |
1451 | | // Potentially start asynchronous fetching of ranges depending on file |
1452 | | // implementation |
1453 | 0 | if (nAdviseReadRanges > 0) |
1454 | 0 | { |
1455 | 0 | sContext.poHandle->AdviseRead(nAdviseReadRanges, anOffsets.data(), |
1456 | 0 | anSizes.data()); |
1457 | 0 | } |
1458 | | |
1459 | | // We need to do that as threads will access the block cache |
1460 | 0 | TemporarilyDropReadWriteLock(); |
1461 | |
|
1462 | 0 | for (auto &sJob : asJobs) |
1463 | 0 | { |
1464 | 0 | poQueue->SubmitJob(ThreadDecompressionFunc, &sJob); |
1465 | 0 | } |
1466 | | |
1467 | | // Wait for all jobs to have been completed |
1468 | 0 | poQueue->WaitCompletion(); |
1469 | | |
1470 | | // Undo effect of above TemporarilyDropReadWriteLock() |
1471 | 0 | ReacquireReadWriteLock(); |
1472 | |
|
1473 | 0 | sContext.oErrorAccumulator.ReplayErrors(); |
1474 | 0 | } |
1475 | |
|
1476 | 0 | return sContext.bSuccess ? CE_None : CE_Failure; |
1477 | 0 | } |
1478 | | |
1479 | | /************************************************************************/ |
1480 | | /* FetchBufferVirtualMemIO */ |
1481 | | /************************************************************************/ |
1482 | | |
1483 | | class FetchBufferVirtualMemIO final |
1484 | | { |
1485 | | const GByte *pabySrcData; |
1486 | | size_t nMappingSize; |
1487 | | GByte *pTempBuffer; |
1488 | | |
1489 | | public: |
1490 | | FetchBufferVirtualMemIO(const GByte *pabySrcDataIn, size_t nMappingSizeIn, |
1491 | | GByte *pTempBufferIn) |
1492 | 0 | : pabySrcData(pabySrcDataIn), nMappingSize(nMappingSizeIn), |
1493 | 0 | pTempBuffer(pTempBufferIn) |
1494 | 0 | { |
1495 | 0 | } |
1496 | | |
1497 | | const GByte *FetchBytes(vsi_l_offset nOffset, int nPixels, int nDTSize, |
1498 | | bool bIsByteSwapped, bool bIsComplex, int nBlockId) |
1499 | 0 | { |
1500 | 0 | if (nOffset + static_cast<size_t>(nPixels) * nDTSize > nMappingSize) |
1501 | 0 | { |
1502 | 0 | CPLError(CE_Failure, CPLE_FileIO, "Missing data for block %d", |
1503 | 0 | nBlockId); |
1504 | 0 | return nullptr; |
1505 | 0 | } |
1506 | 0 | if (!bIsByteSwapped) |
1507 | 0 | return pabySrcData + nOffset; |
1508 | 0 | memcpy(pTempBuffer, pabySrcData + nOffset, |
1509 | 0 | static_cast<size_t>(nPixels) * nDTSize); |
1510 | 0 | if (bIsComplex) |
1511 | 0 | GDALSwapWords(pTempBuffer, nDTSize / 2, 2 * nPixels, nDTSize / 2); |
1512 | 0 | else |
1513 | 0 | GDALSwapWords(pTempBuffer, nDTSize, nPixels, nDTSize); |
1514 | 0 | return pTempBuffer; |
1515 | 0 | } |
1516 | | |
1517 | | bool FetchBytes(GByte *pabyDstBuffer, vsi_l_offset nOffset, int nPixels, |
1518 | | int nDTSize, bool bIsByteSwapped, bool bIsComplex, |
1519 | | int nBlockId) |
1520 | 0 | { |
1521 | 0 | if (nOffset + static_cast<size_t>(nPixels) * nDTSize > nMappingSize) |
1522 | 0 | { |
1523 | 0 | CPLError(CE_Failure, CPLE_FileIO, "Missing data for block %d", |
1524 | 0 | nBlockId); |
1525 | 0 | return false; |
1526 | 0 | } |
1527 | 0 | memcpy(pabyDstBuffer, pabySrcData + nOffset, |
1528 | 0 | static_cast<size_t>(nPixels) * nDTSize); |
1529 | 0 | if (bIsByteSwapped) |
1530 | 0 | { |
1531 | 0 | if (bIsComplex) |
1532 | 0 | GDALSwapWords(pabyDstBuffer, nDTSize / 2, 2 * nPixels, |
1533 | 0 | nDTSize / 2); |
1534 | 0 | else |
1535 | 0 | GDALSwapWords(pabyDstBuffer, nDTSize, nPixels, nDTSize); |
1536 | 0 | } |
1537 | 0 | return true; |
1538 | 0 | } |
1539 | | |
1540 | | // cppcheck-suppress unusedStructMember |
1541 | | static const bool bMinimizeIO = false; |
1542 | | }; |
1543 | | |
1544 | | /************************************************************************/ |
1545 | | /* VirtualMemIO() */ |
1546 | | /************************************************************************/ |
1547 | | |
1548 | | int GTiffDataset::VirtualMemIO(GDALRWFlag eRWFlag, int nXOff, int nYOff, |
1549 | | int nXSize, int nYSize, void *pData, |
1550 | | int nBufXSize, int nBufYSize, |
1551 | | GDALDataType eBufType, int nBandCount, |
1552 | | const int *panBandMap, GSpacing nPixelSpace, |
1553 | | GSpacing nLineSpace, GSpacing nBandSpace, |
1554 | | GDALRasterIOExtraArg *psExtraArg) |
1555 | 0 | { |
1556 | 0 | if (eAccess == GA_Update || eRWFlag == GF_Write || m_bStreamingIn) |
1557 | 0 | return -1; |
1558 | | |
1559 | | // Only know how to deal with nearest neighbour in this optimized routine. |
1560 | 0 | if ((nXSize != nBufXSize || nYSize != nBufYSize) && psExtraArg != nullptr && |
1561 | 0 | psExtraArg->eResampleAlg != GRIORA_NearestNeighbour) |
1562 | 0 | { |
1563 | 0 | return -1; |
1564 | 0 | } |
1565 | | |
1566 | 0 | const GDALDataType eDataType = GetRasterBand(1)->GetRasterDataType(); |
1567 | 0 | const int nDTSizeBits = GDALGetDataTypeSizeBits(eDataType); |
1568 | 0 | if (!(m_nCompression == COMPRESSION_NONE && |
1569 | 0 | (m_nPhotometric == PHOTOMETRIC_MINISBLACK || |
1570 | 0 | m_nPhotometric == PHOTOMETRIC_RGB || |
1571 | 0 | m_nPhotometric == PHOTOMETRIC_PALETTE) && |
1572 | 0 | m_nBitsPerSample == nDTSizeBits)) |
1573 | 0 | { |
1574 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1575 | 0 | return -1; |
1576 | 0 | } |
1577 | | |
1578 | 0 | size_t nMappingSize = 0; |
1579 | 0 | GByte *pabySrcData = nullptr; |
1580 | 0 | if (STARTS_WITH(m_pszFilename, "/vsimem/")) |
1581 | 0 | { |
1582 | 0 | vsi_l_offset nDataLength = 0; |
1583 | 0 | pabySrcData = VSIGetMemFileBuffer(m_pszFilename, &nDataLength, FALSE); |
1584 | 0 | nMappingSize = static_cast<size_t>(nDataLength); |
1585 | 0 | if (pabySrcData == nullptr) |
1586 | 0 | return -1; |
1587 | 0 | } |
1588 | 0 | else if (m_psVirtualMemIOMapping == nullptr) |
1589 | 0 | { |
1590 | 0 | VSILFILE *fp = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)); |
1591 | 0 | if (!CPLIsVirtualMemFileMapAvailable() || |
1592 | 0 | VSIFGetNativeFileDescriptorL(fp) == nullptr) |
1593 | 0 | { |
1594 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1595 | 0 | return -1; |
1596 | 0 | } |
1597 | 0 | if (VSIFSeekL(fp, 0, SEEK_END) != 0) |
1598 | 0 | { |
1599 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1600 | 0 | return -1; |
1601 | 0 | } |
1602 | 0 | const vsi_l_offset nLength = VSIFTellL(fp); |
1603 | 0 | if (static_cast<size_t>(nLength) != nLength) |
1604 | 0 | { |
1605 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1606 | 0 | return -1; |
1607 | 0 | } |
1608 | 0 | if (m_eVirtualMemIOUsage == VirtualMemIOEnum::IF_ENOUGH_RAM) |
1609 | 0 | { |
1610 | 0 | GIntBig nRAM = CPLGetUsablePhysicalRAM(); |
1611 | 0 | if (static_cast<GIntBig>(nLength) > nRAM) |
1612 | 0 | { |
1613 | 0 | CPLDebug("GTiff", |
1614 | 0 | "Not enough RAM to map whole file into memory."); |
1615 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1616 | 0 | return -1; |
1617 | 0 | } |
1618 | 0 | } |
1619 | 0 | m_psVirtualMemIOMapping = CPLVirtualMemFileMapNew( |
1620 | 0 | fp, 0, nLength, VIRTUALMEM_READONLY, nullptr, nullptr); |
1621 | 0 | if (m_psVirtualMemIOMapping == nullptr) |
1622 | 0 | { |
1623 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::NO; |
1624 | 0 | return -1; |
1625 | 0 | } |
1626 | 0 | m_eVirtualMemIOUsage = VirtualMemIOEnum::YES; |
1627 | 0 | } |
1628 | | |
1629 | 0 | if (m_psVirtualMemIOMapping) |
1630 | 0 | { |
1631 | 0 | #ifdef DEBUG |
1632 | 0 | CPLDebug("GTiff", "Using VirtualMemIO"); |
1633 | 0 | #endif |
1634 | 0 | nMappingSize = CPLVirtualMemGetSize(m_psVirtualMemIOMapping); |
1635 | 0 | pabySrcData = |
1636 | 0 | static_cast<GByte *>(CPLVirtualMemGetAddr(m_psVirtualMemIOMapping)); |
1637 | 0 | } |
1638 | |
|
1639 | 0 | if (TIFFIsByteSwapped(m_hTIFF) && m_pTempBufferForCommonDirectIO == nullptr) |
1640 | 0 | { |
1641 | 0 | const int nDTSize = nDTSizeBits / 8; |
1642 | 0 | size_t nTempBufferForCommonDirectIOSize = static_cast<size_t>( |
1643 | 0 | m_nBlockXSize * nDTSize * |
1644 | 0 | (m_nPlanarConfig == PLANARCONFIG_CONTIG ? nBands : 1)); |
1645 | 0 | if (TIFFIsTiled(m_hTIFF)) |
1646 | 0 | nTempBufferForCommonDirectIOSize *= m_nBlockYSize; |
1647 | |
|
1648 | 0 | m_pTempBufferForCommonDirectIO = static_cast<GByte *>( |
1649 | 0 | VSI_MALLOC_VERBOSE(nTempBufferForCommonDirectIOSize)); |
1650 | 0 | if (m_pTempBufferForCommonDirectIO == nullptr) |
1651 | 0 | return CE_Failure; |
1652 | 0 | } |
1653 | 0 | FetchBufferVirtualMemIO oFetcher(pabySrcData, nMappingSize, |
1654 | 0 | m_pTempBufferForCommonDirectIO); |
1655 | |
|
1656 | 0 | return CommonDirectIO(oFetcher, nXOff, nYOff, nXSize, nYSize, pData, |
1657 | 0 | nBufXSize, nBufYSize, eBufType, nBandCount, |
1658 | 0 | panBandMap, nPixelSpace, nLineSpace, nBandSpace); |
1659 | 0 | } |
1660 | | |
1661 | | /************************************************************************/ |
1662 | | /* CopyContigByteMultiBand() */ |
1663 | | /************************************************************************/ |
1664 | | |
1665 | | static inline void CopyContigByteMultiBand(const GByte *CPL_RESTRICT pabySrc, |
1666 | | int nSrcStride, |
1667 | | GByte *CPL_RESTRICT pabyDest, |
1668 | | int nDestStride, int nIters, |
1669 | | int nBandCount) |
1670 | 0 | { |
1671 | 0 | if (nBandCount == 3) |
1672 | 0 | { |
1673 | 0 | if (nSrcStride == 3 && nDestStride == 4) |
1674 | 0 | { |
1675 | 0 | while (nIters >= 8) |
1676 | 0 | { |
1677 | 0 | pabyDest[4 * 0 + 0] = pabySrc[3 * 0 + 0]; |
1678 | 0 | pabyDest[4 * 0 + 1] = pabySrc[3 * 0 + 1]; |
1679 | 0 | pabyDest[4 * 0 + 2] = pabySrc[3 * 0 + 2]; |
1680 | 0 | pabyDest[4 * 1 + 0] = pabySrc[3 * 1 + 0]; |
1681 | 0 | pabyDest[4 * 1 + 1] = pabySrc[3 * 1 + 1]; |
1682 | 0 | pabyDest[4 * 1 + 2] = pabySrc[3 * 1 + 2]; |
1683 | 0 | pabyDest[4 * 2 + 0] = pabySrc[3 * 2 + 0]; |
1684 | 0 | pabyDest[4 * 2 + 1] = pabySrc[3 * 2 + 1]; |
1685 | 0 | pabyDest[4 * 2 + 2] = pabySrc[3 * 2 + 2]; |
1686 | 0 | pabyDest[4 * 3 + 0] = pabySrc[3 * 3 + 0]; |
1687 | 0 | pabyDest[4 * 3 + 1] = pabySrc[3 * 3 + 1]; |
1688 | 0 | pabyDest[4 * 3 + 2] = pabySrc[3 * 3 + 2]; |
1689 | 0 | pabyDest[4 * 4 + 0] = pabySrc[3 * 4 + 0]; |
1690 | 0 | pabyDest[4 * 4 + 1] = pabySrc[3 * 4 + 1]; |
1691 | 0 | pabyDest[4 * 4 + 2] = pabySrc[3 * 4 + 2]; |
1692 | 0 | pabyDest[4 * 5 + 0] = pabySrc[3 * 5 + 0]; |
1693 | 0 | pabyDest[4 * 5 + 1] = pabySrc[3 * 5 + 1]; |
1694 | 0 | pabyDest[4 * 5 + 2] = pabySrc[3 * 5 + 2]; |
1695 | 0 | pabyDest[4 * 6 + 0] = pabySrc[3 * 6 + 0]; |
1696 | 0 | pabyDest[4 * 6 + 1] = pabySrc[3 * 6 + 1]; |
1697 | 0 | pabyDest[4 * 6 + 2] = pabySrc[3 * 6 + 2]; |
1698 | 0 | pabyDest[4 * 7 + 0] = pabySrc[3 * 7 + 0]; |
1699 | 0 | pabyDest[4 * 7 + 1] = pabySrc[3 * 7 + 1]; |
1700 | 0 | pabyDest[4 * 7 + 2] = pabySrc[3 * 7 + 2]; |
1701 | 0 | pabySrc += 3 * 8; |
1702 | 0 | pabyDest += 4 * 8; |
1703 | 0 | nIters -= 8; |
1704 | 0 | } |
1705 | 0 | while (nIters-- > 0) |
1706 | 0 | { |
1707 | 0 | pabyDest[0] = pabySrc[0]; |
1708 | 0 | pabyDest[1] = pabySrc[1]; |
1709 | 0 | pabyDest[2] = pabySrc[2]; |
1710 | 0 | pabySrc += 3; |
1711 | 0 | pabyDest += 4; |
1712 | 0 | } |
1713 | 0 | } |
1714 | 0 | else |
1715 | 0 | { |
1716 | 0 | while (nIters-- > 0) |
1717 | 0 | { |
1718 | 0 | pabyDest[0] = pabySrc[0]; |
1719 | 0 | pabyDest[1] = pabySrc[1]; |
1720 | 0 | pabyDest[2] = pabySrc[2]; |
1721 | 0 | pabySrc += nSrcStride; |
1722 | 0 | pabyDest += nDestStride; |
1723 | 0 | } |
1724 | 0 | } |
1725 | 0 | } |
1726 | 0 | else |
1727 | 0 | { |
1728 | 0 | while (nIters-- > 0) |
1729 | 0 | { |
1730 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1731 | 0 | pabyDest[iBand] = pabySrc[iBand]; |
1732 | 0 | pabySrc += nSrcStride; |
1733 | 0 | pabyDest += nDestStride; |
1734 | 0 | } |
1735 | 0 | } |
1736 | 0 | } |
1737 | | |
1738 | | /************************************************************************/ |
1739 | | /* CommonDirectIO() */ |
1740 | | /************************************************************************/ |
1741 | | |
1742 | | // #define DEBUG_REACHED_VIRTUAL_MEM_IO |
1743 | | #ifdef DEBUG_REACHED_VIRTUAL_MEM_IO |
1744 | | static int anReachedVirtualMemIO[52] = {0}; |
1745 | | #define REACHED(x) anReachedVirtualMemIO[x] = 1 |
1746 | | #else |
1747 | | #define REACHED(x) |
1748 | | #endif |
1749 | | |
1750 | | template <class FetchBuffer> |
1751 | | CPLErr GTiffDataset::CommonDirectIO(FetchBuffer &oFetcher, int nXOff, int nYOff, |
1752 | | int nXSize, int nYSize, void *pData, |
1753 | | int nBufXSize, int nBufYSize, |
1754 | | GDALDataType eBufType, int nBandCount, |
1755 | | const int *panBandMap, GSpacing nPixelSpace, |
1756 | | GSpacing nLineSpace, GSpacing nBandSpace) |
1757 | 0 | { |
1758 | 0 | const auto poFirstBand = |
1759 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(1)); |
1760 | 0 | const GDALDataType eDataType = poFirstBand->GetRasterDataType(); |
1761 | 0 | const int nDTSize = GDALGetDataTypeSizeBytes(eDataType); |
1762 | 0 | const bool bIsComplex = CPL_TO_BOOL(GDALDataTypeIsComplex(eDataType)); |
1763 | 0 | const int nBufDTSize = GDALGetDataTypeSizeBytes(eBufType); |
1764 | | |
1765 | | // Get strip offsets. |
1766 | 0 | toff_t *panOffsets = nullptr; |
1767 | 0 | if (!TIFFGetField(m_hTIFF, |
1768 | 0 | (TIFFIsTiled(m_hTIFF)) ? TIFFTAG_TILEOFFSETS |
1769 | 0 | : TIFFTAG_STRIPOFFSETS, |
1770 | 0 | &panOffsets) || |
1771 | 0 | panOffsets == nullptr) |
1772 | 0 | { |
1773 | 0 | return CE_Failure; |
1774 | 0 | } |
1775 | | |
1776 | 0 | bool bUseContigImplementation = m_nPlanarConfig == PLANARCONFIG_CONTIG && |
1777 | 0 | nBandCount > 1 && nBandSpace == nBufDTSize; |
1778 | 0 | if (bUseContigImplementation) |
1779 | 0 | { |
1780 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1781 | 0 | { |
1782 | 0 | const int nBand = panBandMap[iBand]; |
1783 | 0 | if (nBand != iBand + 1) |
1784 | 0 | { |
1785 | 0 | bUseContigImplementation = false; |
1786 | 0 | break; |
1787 | 0 | } |
1788 | 0 | } |
1789 | 0 | } |
1790 | |
|
1791 | 0 | const int nBandsPerBlock = |
1792 | 0 | m_nPlanarConfig == PLANARCONFIG_SEPARATE ? 1 : nBands; |
1793 | 0 | const int nBandsPerBlockDTSize = nBandsPerBlock * nDTSize; |
1794 | 0 | const bool bNoTypeChange = (eDataType == eBufType); |
1795 | 0 | const bool bNoXResampling = (nXSize == nBufXSize); |
1796 | 0 | const bool bNoXResamplingNoTypeChange = (bNoTypeChange && bNoXResampling); |
1797 | 0 | const bool bByteOnly = (bNoTypeChange && nDTSize == 1); |
1798 | 0 | const bool bByteNoXResampling = (bByteOnly && bNoXResamplingNoTypeChange); |
1799 | 0 | const bool bIsByteSwapped = CPL_TO_BOOL(TIFFIsByteSwapped(m_hTIFF)); |
1800 | 0 | const double dfSrcXInc = nXSize / static_cast<double>(nBufXSize); |
1801 | 0 | const double dfSrcYInc = nYSize / static_cast<double>(nBufYSize); |
1802 | |
|
1803 | 0 | int bNoDataSetIn = FALSE; |
1804 | 0 | double dfNoData = poFirstBand->GetNoDataValue(&bNoDataSetIn); |
1805 | 0 | GByte abyNoData = 0; |
1806 | 0 | if (!bNoDataSetIn) |
1807 | 0 | dfNoData = 0; |
1808 | 0 | else if (dfNoData >= 0 && dfNoData <= 255) |
1809 | 0 | abyNoData = static_cast<GByte>(dfNoData + 0.5); |
1810 | | |
1811 | | // cppcheck-suppress knownConditionTrueFalse |
1812 | 0 | if (FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF) && bNoXResampling && |
1813 | 0 | (nYSize == nBufYSize) && m_nPlanarConfig == PLANARCONFIG_CONTIG && |
1814 | 0 | nBandCount > 1) |
1815 | 0 | { |
1816 | 0 | GByte *pabyData = static_cast<GByte *>(pData); |
1817 | 0 | for (int y = 0; y < nBufYSize;) |
1818 | 0 | { |
1819 | 0 | const int nSrcLine = nYOff + y; |
1820 | 0 | const int nBlockYOff = nSrcLine / m_nBlockYSize; |
1821 | 0 | const int nYOffsetInBlock = nSrcLine % m_nBlockYSize; |
1822 | 0 | const int nUsedBlockHeight = |
1823 | 0 | std::min(nBufYSize - y, m_nBlockYSize - nYOffsetInBlock); |
1824 | |
|
1825 | 0 | int nBlockXOff = nXOff / m_nBlockXSize; |
1826 | 0 | int nXOffsetInBlock = nXOff % m_nBlockXSize; |
1827 | 0 | int nBlockId = poFirstBand->ComputeBlockId(nBlockXOff, nBlockYOff); |
1828 | |
|
1829 | 0 | int x = 0; |
1830 | 0 | while (x < nBufXSize) |
1831 | 0 | { |
1832 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
1833 | 0 | const int nUsedBlockWidth = |
1834 | 0 | std::min(m_nBlockXSize - nXOffsetInBlock, nBufXSize - x); |
1835 | |
|
1836 | 0 | if (nCurOffset == 0) |
1837 | 0 | { |
1838 | 0 | REACHED(30); |
1839 | 0 | for (int k = 0; k < nUsedBlockHeight; ++k) |
1840 | 0 | { |
1841 | 0 | GByte *pabyLocalData = |
1842 | 0 | pabyData + (y + k) * nLineSpace + x * nPixelSpace; |
1843 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1844 | 0 | { |
1845 | 0 | GByte *pabyLocalDataBand = |
1846 | 0 | pabyLocalData + iBand * nBandSpace; |
1847 | |
|
1848 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
1849 | 0 | pabyLocalDataBand, eBufType, |
1850 | 0 | static_cast<int>(nPixelSpace), |
1851 | 0 | nUsedBlockWidth); |
1852 | 0 | } |
1853 | 0 | } |
1854 | 0 | } |
1855 | 0 | else |
1856 | 0 | { |
1857 | 0 | const int nByteOffsetInBlock = |
1858 | 0 | nYOffsetInBlock * m_nBlockXSize * nBandsPerBlockDTSize; |
1859 | 0 | const GByte *pabyLocalSrcDataK0 = oFetcher.FetchBytes( |
1860 | 0 | nCurOffset + nByteOffsetInBlock, |
1861 | 0 | m_nBlockXSize * nUsedBlockHeight * nBandsPerBlock, |
1862 | 0 | nDTSize, bIsByteSwapped, bIsComplex, nBlockId); |
1863 | 0 | if (pabyLocalSrcDataK0 == nullptr) |
1864 | 0 | return CE_Failure; |
1865 | | |
1866 | 0 | for (int k = 0; k < nUsedBlockHeight; ++k) |
1867 | 0 | { |
1868 | 0 | GByte *pabyLocalData = |
1869 | 0 | pabyData + (y + k) * nLineSpace + x * nPixelSpace; |
1870 | 0 | const GByte *pabyLocalSrcData = |
1871 | 0 | pabyLocalSrcDataK0 + |
1872 | 0 | (k * m_nBlockXSize + nXOffsetInBlock) * |
1873 | 0 | nBandsPerBlockDTSize; |
1874 | |
|
1875 | 0 | if (bUseContigImplementation && nBands == nBandCount && |
1876 | 0 | nPixelSpace == nBandsPerBlockDTSize) |
1877 | 0 | { |
1878 | 0 | REACHED(31); |
1879 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, nDTSize, |
1880 | 0 | pabyLocalData, eBufType, nBufDTSize, |
1881 | 0 | nUsedBlockWidth * nBands); |
1882 | 0 | } |
1883 | 0 | else |
1884 | 0 | { |
1885 | 0 | REACHED(32); |
1886 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1887 | 0 | { |
1888 | 0 | GByte *pabyLocalDataBand = |
1889 | 0 | pabyLocalData + iBand * nBandSpace; |
1890 | 0 | const GByte *pabyLocalSrcDataBand = |
1891 | 0 | pabyLocalSrcData + |
1892 | 0 | (panBandMap[iBand] - 1) * nDTSize; |
1893 | |
|
1894 | 0 | GDALCopyWords(pabyLocalSrcDataBand, eDataType, |
1895 | 0 | nBandsPerBlockDTSize, |
1896 | 0 | pabyLocalDataBand, eBufType, |
1897 | 0 | static_cast<int>(nPixelSpace), |
1898 | 0 | nUsedBlockWidth); |
1899 | 0 | } |
1900 | 0 | } |
1901 | 0 | } |
1902 | 0 | } |
1903 | | |
1904 | 0 | nXOffsetInBlock = 0; |
1905 | 0 | ++nBlockXOff; |
1906 | 0 | ++nBlockId; |
1907 | 0 | x += nUsedBlockWidth; |
1908 | 0 | } |
1909 | | |
1910 | 0 | y += nUsedBlockHeight; |
1911 | 0 | } |
1912 | 0 | } |
1913 | | // cppcheck-suppress knownConditionTrueFalse |
1914 | 0 | else if (FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF) && |
1915 | 0 | bNoXResampling && (nYSize == nBufYSize)) |
1916 | | // && (m_nPlanarConfig == PLANARCONFIG_SEPARATE || nBandCount == 1) ) |
1917 | 0 | { |
1918 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
1919 | 0 | { |
1920 | 0 | GByte *pabyData = static_cast<GByte *>(pData) + iBand * nBandSpace; |
1921 | 0 | const int nBand = panBandMap[iBand]; |
1922 | 0 | auto poCurBand = |
1923 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(nBand)); |
1924 | 0 | for (int y = 0; y < nBufYSize;) |
1925 | 0 | { |
1926 | 0 | const int nSrcLine = nYOff + y; |
1927 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
1928 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
1929 | 0 | const int nUsedBlockHeight = |
1930 | 0 | std::min(nBufYSize - y, m_nBlockYSize - nYOffsetIm_nBlock); |
1931 | |
|
1932 | 0 | int nBlockXOff = nXOff / m_nBlockXSize; |
1933 | 0 | int nXOffsetInBlock = nXOff % m_nBlockXSize; |
1934 | 0 | int nBlockId = |
1935 | 0 | poCurBand->ComputeBlockId(nBlockXOff, m_nBlockYOff); |
1936 | |
|
1937 | 0 | int x = 0; |
1938 | 0 | while (x < nBufXSize) |
1939 | 0 | { |
1940 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
1941 | 0 | const int nUsedBlockWidth = std::min( |
1942 | 0 | m_nBlockXSize - nXOffsetInBlock, nBufXSize - x); |
1943 | |
|
1944 | 0 | if (nCurOffset == 0) |
1945 | 0 | { |
1946 | 0 | REACHED(35); |
1947 | 0 | for (int k = 0; k < nUsedBlockHeight; ++k) |
1948 | 0 | { |
1949 | 0 | GByte *pabyLocalData = pabyData + |
1950 | 0 | (y + k) * nLineSpace + |
1951 | 0 | x * nPixelSpace; |
1952 | |
|
1953 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
1954 | 0 | pabyLocalData, eBufType, |
1955 | 0 | static_cast<int>(nPixelSpace), |
1956 | 0 | nUsedBlockWidth); |
1957 | 0 | } |
1958 | 0 | } |
1959 | 0 | else |
1960 | 0 | { |
1961 | 0 | const int nByteOffsetIm_nBlock = nYOffsetIm_nBlock * |
1962 | 0 | m_nBlockXSize * |
1963 | 0 | nBandsPerBlockDTSize; |
1964 | 0 | const GByte *pabyLocalSrcDataK0 = oFetcher.FetchBytes( |
1965 | 0 | nCurOffset + nByteOffsetIm_nBlock, |
1966 | 0 | m_nBlockXSize * nUsedBlockHeight * nBandsPerBlock, |
1967 | 0 | nDTSize, bIsByteSwapped, bIsComplex, nBlockId); |
1968 | 0 | if (pabyLocalSrcDataK0 == nullptr) |
1969 | 0 | return CE_Failure; |
1970 | | |
1971 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG) |
1972 | 0 | { |
1973 | 0 | REACHED(36); |
1974 | 0 | pabyLocalSrcDataK0 += (nBand - 1) * nDTSize; |
1975 | 0 | } |
1976 | 0 | else |
1977 | 0 | { |
1978 | 0 | REACHED(37); |
1979 | 0 | } |
1980 | |
|
1981 | 0 | for (int k = 0; k < nUsedBlockHeight; ++k) |
1982 | 0 | { |
1983 | 0 | GByte *pabyLocalData = pabyData + |
1984 | 0 | (y + k) * nLineSpace + |
1985 | 0 | x * nPixelSpace; |
1986 | 0 | const GByte *pabyLocalSrcData = |
1987 | 0 | pabyLocalSrcDataK0 + |
1988 | 0 | (k * m_nBlockXSize + nXOffsetInBlock) * |
1989 | 0 | nBandsPerBlockDTSize; |
1990 | |
|
1991 | 0 | GDALCopyWords( |
1992 | 0 | pabyLocalSrcData, eDataType, |
1993 | 0 | nBandsPerBlockDTSize, pabyLocalData, eBufType, |
1994 | 0 | static_cast<int>(nPixelSpace), nUsedBlockWidth); |
1995 | 0 | } |
1996 | 0 | } |
1997 | | |
1998 | 0 | nXOffsetInBlock = 0; |
1999 | 0 | ++nBlockXOff; |
2000 | 0 | ++nBlockId; |
2001 | 0 | x += nUsedBlockWidth; |
2002 | 0 | } |
2003 | | |
2004 | 0 | y += nUsedBlockHeight; |
2005 | 0 | } |
2006 | 0 | } |
2007 | 0 | } |
2008 | | // cppcheck-suppress knownConditionTrueFalse |
2009 | 0 | else if (FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF) && |
2010 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG && nBandCount > 1) |
2011 | 0 | { |
2012 | 0 | GByte *pabyData = static_cast<GByte *>(pData); |
2013 | 0 | int anSrcYOffset[256] = {0}; |
2014 | 0 | for (int y = 0; y < nBufYSize;) |
2015 | 0 | { |
2016 | 0 | const double dfYOffStart = nYOff + (y + 0.5) * dfSrcYInc; |
2017 | 0 | const int nSrcLine = static_cast<int>(dfYOffStart); |
2018 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2019 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2020 | 0 | const int nBaseByteOffsetIm_nBlock = |
2021 | 0 | nYOffsetIm_nBlock * m_nBlockXSize * nBandsPerBlockDTSize; |
2022 | 0 | int ychunk = 1; |
2023 | 0 | int nLastSrcLineK = nSrcLine; |
2024 | 0 | anSrcYOffset[0] = 0; |
2025 | 0 | for (int k = 1; k < nBufYSize - y; ++k) |
2026 | 0 | { |
2027 | 0 | int nSrcLineK = |
2028 | 0 | nYOff + static_cast<int>((y + k + 0.5) * dfSrcYInc); |
2029 | 0 | const int nBlockYOffK = nSrcLineK / m_nBlockYSize; |
2030 | 0 | if (k < 256) |
2031 | 0 | anSrcYOffset[k] = |
2032 | 0 | ((nSrcLineK % m_nBlockYSize) - nYOffsetIm_nBlock) * |
2033 | 0 | m_nBlockXSize * nBandsPerBlockDTSize; |
2034 | 0 | if (nBlockYOffK != m_nBlockYOff) |
2035 | 0 | { |
2036 | 0 | break; |
2037 | 0 | } |
2038 | 0 | ++ychunk; |
2039 | 0 | nLastSrcLineK = nSrcLineK; |
2040 | 0 | } |
2041 | 0 | const int nUsedBlockHeight = nLastSrcLineK - nSrcLine + 1; |
2042 | | // CPLAssert(nUsedBlockHeight <= m_nBlockYSize); |
2043 | |
|
2044 | 0 | double dfSrcX = nXOff + 0.5 * dfSrcXInc; |
2045 | 0 | int nCurBlockXOff = 0; |
2046 | 0 | int nNextBlockXOff = 0; |
2047 | 0 | toff_t nCurOffset = 0; |
2048 | 0 | const GByte *pabyLocalSrcDataStartLine = nullptr; |
2049 | 0 | for (int x = 0; x < nBufXSize; ++x, dfSrcX += dfSrcXInc) |
2050 | 0 | { |
2051 | 0 | const int nSrcPixel = static_cast<int>(dfSrcX); |
2052 | 0 | if (nSrcPixel >= nNextBlockXOff) |
2053 | 0 | { |
2054 | 0 | const int nBlockXOff = nSrcPixel / m_nBlockXSize; |
2055 | 0 | nCurBlockXOff = nBlockXOff * m_nBlockXSize; |
2056 | 0 | nNextBlockXOff = nCurBlockXOff + m_nBlockXSize; |
2057 | 0 | const int nBlockId = |
2058 | 0 | poFirstBand->ComputeBlockId(nBlockXOff, m_nBlockYOff); |
2059 | 0 | nCurOffset = panOffsets[nBlockId]; |
2060 | 0 | if (nCurOffset != 0) |
2061 | 0 | { |
2062 | 0 | pabyLocalSrcDataStartLine = oFetcher.FetchBytes( |
2063 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2064 | 0 | m_nBlockXSize * nBandsPerBlock * nUsedBlockHeight, |
2065 | 0 | nDTSize, bIsByteSwapped, bIsComplex, nBlockId); |
2066 | 0 | if (pabyLocalSrcDataStartLine == nullptr) |
2067 | 0 | return CE_Failure; |
2068 | 0 | } |
2069 | 0 | } |
2070 | | |
2071 | 0 | if (nCurOffset == 0) |
2072 | 0 | { |
2073 | 0 | REACHED(38); |
2074 | |
|
2075 | 0 | for (int k = 0; k < ychunk; ++k) |
2076 | 0 | { |
2077 | 0 | GByte *const pabyLocalData = |
2078 | 0 | pabyData + (y + k) * nLineSpace + x * nPixelSpace; |
2079 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2080 | 0 | { |
2081 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2082 | 0 | pabyLocalData + nBandSpace * iBand, |
2083 | 0 | eBufType, 0, 1); |
2084 | 0 | } |
2085 | 0 | } |
2086 | 0 | } |
2087 | 0 | else |
2088 | 0 | { |
2089 | 0 | const int nXOffsetInBlock = nSrcPixel - nCurBlockXOff; |
2090 | 0 | double dfYOff = dfYOffStart; |
2091 | 0 | const GByte *const pabyLocalSrcDataK0 = |
2092 | 0 | pabyLocalSrcDataStartLine + |
2093 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2094 | 0 | GByte *pabyLocalData = |
2095 | 0 | pabyData + y * nLineSpace + x * nPixelSpace; |
2096 | 0 | for (int k = 0; k < ychunk; |
2097 | 0 | ++k, pabyLocalData += nLineSpace) |
2098 | 0 | { |
2099 | 0 | const GByte *pabyLocalSrcData = nullptr; |
2100 | 0 | if (ychunk <= 256) |
2101 | 0 | { |
2102 | 0 | REACHED(39); |
2103 | 0 | pabyLocalSrcData = |
2104 | 0 | pabyLocalSrcDataK0 + anSrcYOffset[k]; |
2105 | 0 | } |
2106 | 0 | else |
2107 | 0 | { |
2108 | 0 | REACHED(40); |
2109 | 0 | const int nYOffsetIm_nBlockK = |
2110 | 0 | static_cast<int>(dfYOff) % m_nBlockYSize; |
2111 | | // CPLAssert( |
2112 | | // nYOffsetIm_nBlockK - nYOffsetIm_nBlock <= |
2113 | | // nUsedBlockHeight); |
2114 | 0 | pabyLocalSrcData = |
2115 | 0 | pabyLocalSrcDataK0 + |
2116 | 0 | (nYOffsetIm_nBlockK - nYOffsetIm_nBlock) * |
2117 | 0 | m_nBlockXSize * nBandsPerBlockDTSize; |
2118 | 0 | dfYOff += dfSrcYInc; |
2119 | 0 | } |
2120 | |
|
2121 | 0 | if (bByteOnly) |
2122 | 0 | { |
2123 | 0 | REACHED(41); |
2124 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2125 | 0 | { |
2126 | 0 | GByte *pabyLocalDataBand = |
2127 | 0 | pabyLocalData + iBand * nBandSpace; |
2128 | 0 | const GByte *pabyLocalSrcDataBand = |
2129 | 0 | pabyLocalSrcData + (panBandMap[iBand] - 1); |
2130 | 0 | *pabyLocalDataBand = *pabyLocalSrcDataBand; |
2131 | 0 | } |
2132 | 0 | } |
2133 | 0 | else |
2134 | 0 | { |
2135 | 0 | REACHED(42); |
2136 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2137 | 0 | { |
2138 | 0 | GByte *pabyLocalDataBand = |
2139 | 0 | pabyLocalData + iBand * nBandSpace; |
2140 | 0 | const GByte *pabyLocalSrcDataBand = |
2141 | 0 | pabyLocalSrcData + |
2142 | 0 | (panBandMap[iBand] - 1) * nDTSize; |
2143 | |
|
2144 | 0 | GDALCopyWords(pabyLocalSrcDataBand, eDataType, |
2145 | 0 | 0, pabyLocalDataBand, eBufType, 0, |
2146 | 0 | 1); |
2147 | 0 | } |
2148 | 0 | } |
2149 | 0 | } |
2150 | 0 | } |
2151 | 0 | } |
2152 | | |
2153 | 0 | y += ychunk; |
2154 | 0 | } |
2155 | 0 | } |
2156 | | // cppcheck-suppress knownConditionTrueFalse |
2157 | 0 | else if (FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF)) |
2158 | | // && (m_nPlanarConfig == PLANARCONFIG_SEPARATE || nBandCount == 1) ) |
2159 | 0 | { |
2160 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2161 | 0 | { |
2162 | 0 | GByte *pabyData = static_cast<GByte *>(pData) + iBand * nBandSpace; |
2163 | 0 | const int nBand = panBandMap[iBand]; |
2164 | 0 | auto poCurBand = |
2165 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(nBand)); |
2166 | 0 | int anSrcYOffset[256] = {0}; |
2167 | 0 | for (int y = 0; y < nBufYSize;) |
2168 | 0 | { |
2169 | 0 | const double dfYOffStart = nYOff + (y + 0.5) * dfSrcYInc; |
2170 | 0 | const int nSrcLine = static_cast<int>(dfYOffStart); |
2171 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2172 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2173 | 0 | const int nBaseByteOffsetIm_nBlock = |
2174 | 0 | nYOffsetIm_nBlock * m_nBlockXSize * nBandsPerBlockDTSize; |
2175 | 0 | int ychunk = 1; |
2176 | 0 | int nLastSrcLineK = nSrcLine; |
2177 | 0 | anSrcYOffset[0] = 0; |
2178 | 0 | for (int k = 1; k < nBufYSize - y; ++k) |
2179 | 0 | { |
2180 | 0 | const int nSrcLineK = |
2181 | 0 | nYOff + static_cast<int>((y + k + 0.5) * dfSrcYInc); |
2182 | 0 | const int nBlockYOffK = nSrcLineK / m_nBlockYSize; |
2183 | 0 | if (k < 256) |
2184 | 0 | anSrcYOffset[k] = |
2185 | 0 | ((nSrcLineK % m_nBlockYSize) - nYOffsetIm_nBlock) * |
2186 | 0 | m_nBlockXSize * nBandsPerBlockDTSize; |
2187 | 0 | if (nBlockYOffK != m_nBlockYOff) |
2188 | 0 | { |
2189 | 0 | break; |
2190 | 0 | } |
2191 | 0 | ++ychunk; |
2192 | 0 | nLastSrcLineK = nSrcLineK; |
2193 | 0 | } |
2194 | 0 | const int nUsedBlockHeight = nLastSrcLineK - nSrcLine + 1; |
2195 | | // CPLAssert(nUsedBlockHeight <= m_nBlockYSize); |
2196 | |
|
2197 | 0 | double dfSrcX = nXOff + 0.5 * dfSrcXInc; |
2198 | 0 | int nCurBlockXOff = 0; |
2199 | 0 | int nNextBlockXOff = 0; |
2200 | 0 | toff_t nCurOffset = 0; |
2201 | 0 | const GByte *pabyLocalSrcDataStartLine = nullptr; |
2202 | 0 | for (int x = 0; x < nBufXSize; ++x, dfSrcX += dfSrcXInc) |
2203 | 0 | { |
2204 | 0 | int nSrcPixel = static_cast<int>(dfSrcX); |
2205 | 0 | if (nSrcPixel >= nNextBlockXOff) |
2206 | 0 | { |
2207 | 0 | const int nBlockXOff = nSrcPixel / m_nBlockXSize; |
2208 | 0 | nCurBlockXOff = nBlockXOff * m_nBlockXSize; |
2209 | 0 | nNextBlockXOff = nCurBlockXOff + m_nBlockXSize; |
2210 | 0 | const int nBlockId = |
2211 | 0 | poCurBand->ComputeBlockId(nBlockXOff, m_nBlockYOff); |
2212 | 0 | nCurOffset = panOffsets[nBlockId]; |
2213 | 0 | if (nCurOffset != 0) |
2214 | 0 | { |
2215 | 0 | pabyLocalSrcDataStartLine = oFetcher.FetchBytes( |
2216 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2217 | 0 | m_nBlockXSize * nBandsPerBlock * |
2218 | 0 | nUsedBlockHeight, |
2219 | 0 | nDTSize, bIsByteSwapped, bIsComplex, nBlockId); |
2220 | 0 | if (pabyLocalSrcDataStartLine == nullptr) |
2221 | 0 | return CE_Failure; |
2222 | | |
2223 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG) |
2224 | 0 | { |
2225 | 0 | REACHED(45); |
2226 | 0 | pabyLocalSrcDataStartLine += |
2227 | 0 | (nBand - 1) * nDTSize; |
2228 | 0 | } |
2229 | 0 | else |
2230 | 0 | { |
2231 | 0 | REACHED(46); |
2232 | 0 | } |
2233 | 0 | } |
2234 | 0 | } |
2235 | | |
2236 | 0 | if (nCurOffset == 0) |
2237 | 0 | { |
2238 | 0 | REACHED(47); |
2239 | |
|
2240 | 0 | for (int k = 0; k < ychunk; ++k) |
2241 | 0 | { |
2242 | 0 | GByte *const pabyLocalData = pabyData + |
2243 | 0 | (y + k) * nLineSpace + |
2244 | 0 | x * nPixelSpace; |
2245 | |
|
2246 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2247 | 0 | pabyLocalData, eBufType, 0, 1); |
2248 | 0 | } |
2249 | 0 | } |
2250 | 0 | else |
2251 | 0 | { |
2252 | 0 | const int nXOffsetInBlock = nSrcPixel - nCurBlockXOff; |
2253 | 0 | double dfYOff = dfYOffStart; |
2254 | 0 | const GByte *const pabyLocalSrcDataK0 = |
2255 | 0 | pabyLocalSrcDataStartLine + |
2256 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2257 | 0 | GByte *pabyLocalData = |
2258 | 0 | pabyData + y * nLineSpace + x * nPixelSpace; |
2259 | 0 | for (int k = 0; k < ychunk; |
2260 | 0 | ++k, pabyLocalData += nLineSpace) |
2261 | 0 | { |
2262 | 0 | const GByte *pabyLocalSrcData = nullptr; |
2263 | 0 | if (ychunk <= 256) |
2264 | 0 | { |
2265 | 0 | REACHED(48); |
2266 | 0 | pabyLocalSrcData = |
2267 | 0 | pabyLocalSrcDataK0 + anSrcYOffset[k]; |
2268 | 0 | } |
2269 | 0 | else |
2270 | 0 | { |
2271 | 0 | REACHED(49); |
2272 | 0 | const int nYOffsetIm_nBlockK = |
2273 | 0 | static_cast<int>(dfYOff) % m_nBlockYSize; |
2274 | | // CPLAssert( |
2275 | | // nYOffsetIm_nBlockK - nYOffsetIm_nBlock <= |
2276 | | // nUsedBlockHeight); |
2277 | 0 | pabyLocalSrcData = |
2278 | 0 | pabyLocalSrcDataK0 + |
2279 | 0 | (nYOffsetIm_nBlockK - nYOffsetIm_nBlock) * |
2280 | 0 | m_nBlockXSize * nBandsPerBlockDTSize; |
2281 | 0 | dfYOff += dfSrcYInc; |
2282 | 0 | } |
2283 | |
|
2284 | 0 | if (bByteOnly) |
2285 | 0 | { |
2286 | 0 | REACHED(50); |
2287 | |
|
2288 | 0 | *pabyLocalData = *pabyLocalSrcData; |
2289 | 0 | } |
2290 | 0 | else |
2291 | 0 | { |
2292 | 0 | REACHED(51); |
2293 | |
|
2294 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, 0, |
2295 | 0 | pabyLocalData, eBufType, 0, 1); |
2296 | 0 | } |
2297 | 0 | } |
2298 | 0 | } |
2299 | 0 | } |
2300 | | |
2301 | 0 | y += ychunk; |
2302 | 0 | } |
2303 | 0 | } |
2304 | 0 | } |
2305 | 0 | else if (bUseContigImplementation) |
2306 | 0 | { |
2307 | | // cppcheck-suppress knownConditionTrueFalse |
2308 | 0 | if (!FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF)) |
2309 | 0 | { |
2310 | 0 | GByte *pabyData = static_cast<GByte *>(pData); |
2311 | 0 | for (int y = 0; y < nBufYSize; ++y) |
2312 | 0 | { |
2313 | 0 | const int nSrcLine = |
2314 | 0 | nYOff + static_cast<int>((y + 0.5) * dfSrcYInc); |
2315 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2316 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2317 | 0 | const int nBaseByteOffsetIm_nBlock = |
2318 | 0 | nYOffsetIm_nBlock * m_nBlockXSize * nBandsPerBlockDTSize; |
2319 | |
|
2320 | 0 | if (bNoXResampling) |
2321 | 0 | { |
2322 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2323 | 0 | int nBlockXOff = nXOff / m_nBlockXSize; |
2324 | 0 | int nXOffsetInBlock = nXOff % m_nBlockXSize; |
2325 | 0 | int nBlockId = |
2326 | 0 | poFirstBand->ComputeBlockId(nBlockXOff, m_nBlockYOff); |
2327 | |
|
2328 | 0 | int x = 0; |
2329 | 0 | while (x < nBufXSize) |
2330 | 0 | { |
2331 | 0 | const int nByteOffsetIm_nBlock = |
2332 | 0 | nBaseByteOffsetIm_nBlock + |
2333 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2334 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
2335 | 0 | const int nUsedBlockWidth = std::min( |
2336 | 0 | m_nBlockXSize - nXOffsetInBlock, nBufXSize - x); |
2337 | |
|
2338 | 0 | int nIters = nUsedBlockWidth; |
2339 | 0 | if (nCurOffset == 0) |
2340 | 0 | { |
2341 | 0 | if (bByteNoXResampling) |
2342 | 0 | { |
2343 | 0 | REACHED(0); |
2344 | 0 | while (nIters-- > 0) |
2345 | 0 | { |
2346 | 0 | for (int iBand = 0; iBand < nBandCount; |
2347 | 0 | ++iBand) |
2348 | 0 | { |
2349 | 0 | pabyLocalData[iBand] = abyNoData; |
2350 | 0 | } |
2351 | 0 | pabyLocalData += nPixelSpace; |
2352 | 0 | } |
2353 | 0 | } |
2354 | 0 | else |
2355 | 0 | { |
2356 | 0 | REACHED(1); |
2357 | 0 | while (nIters-- > 0) |
2358 | 0 | { |
2359 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2360 | 0 | pabyLocalData, eBufType, |
2361 | 0 | static_cast<int>(nBandSpace), |
2362 | 0 | nBandCount); |
2363 | 0 | pabyLocalData += nPixelSpace; |
2364 | 0 | } |
2365 | 0 | } |
2366 | 0 | } |
2367 | 0 | else |
2368 | 0 | { |
2369 | 0 | if (bNoTypeChange && nBands == nBandCount && |
2370 | 0 | nPixelSpace == nBandsPerBlockDTSize) |
2371 | 0 | { |
2372 | 0 | REACHED(2); |
2373 | 0 | if (!oFetcher.FetchBytes( |
2374 | 0 | pabyLocalData, |
2375 | 0 | nCurOffset + nByteOffsetIm_nBlock, |
2376 | 0 | nIters * nBandsPerBlock, nDTSize, |
2377 | 0 | bIsByteSwapped, bIsComplex, nBlockId)) |
2378 | 0 | { |
2379 | 0 | return CE_Failure; |
2380 | 0 | } |
2381 | 0 | pabyLocalData += |
2382 | 0 | nIters * nBandsPerBlock * nDTSize; |
2383 | 0 | } |
2384 | 0 | else |
2385 | 0 | { |
2386 | 0 | const GByte *pabyLocalSrcData = |
2387 | 0 | oFetcher.FetchBytes( |
2388 | 0 | nCurOffset + nByteOffsetIm_nBlock, |
2389 | 0 | nIters * nBandsPerBlock, nDTSize, |
2390 | 0 | bIsByteSwapped, bIsComplex, nBlockId); |
2391 | 0 | if (pabyLocalSrcData == nullptr) |
2392 | 0 | return CE_Failure; |
2393 | 0 | if (bByteNoXResampling) |
2394 | 0 | { |
2395 | 0 | REACHED(3); |
2396 | 0 | CopyContigByteMultiBand( |
2397 | 0 | pabyLocalSrcData, nBandsPerBlockDTSize, |
2398 | 0 | pabyLocalData, |
2399 | 0 | static_cast<int>(nPixelSpace), nIters, |
2400 | 0 | nBandCount); |
2401 | 0 | pabyLocalData += nIters * nPixelSpace; |
2402 | 0 | } |
2403 | 0 | else |
2404 | 0 | { |
2405 | 0 | REACHED(4); |
2406 | 0 | while (nIters-- > 0) |
2407 | 0 | { |
2408 | 0 | GDALCopyWords( |
2409 | 0 | pabyLocalSrcData, eDataType, |
2410 | 0 | nDTSize, pabyLocalData, eBufType, |
2411 | 0 | static_cast<int>(nBandSpace), |
2412 | 0 | nBandCount); |
2413 | 0 | pabyLocalSrcData += |
2414 | 0 | nBandsPerBlockDTSize; |
2415 | 0 | pabyLocalData += nPixelSpace; |
2416 | 0 | } |
2417 | 0 | } |
2418 | 0 | } |
2419 | 0 | } |
2420 | | |
2421 | 0 | nXOffsetInBlock = 0; |
2422 | 0 | ++nBlockXOff; |
2423 | 0 | ++nBlockId; |
2424 | 0 | x += nUsedBlockWidth; |
2425 | 0 | } |
2426 | 0 | } |
2427 | 0 | else // Contig, tiled, potential resampling & data type change. |
2428 | 0 | { |
2429 | 0 | const GByte *pabyLocalSrcDataStartLine = nullptr; |
2430 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2431 | 0 | double dfSrcX = nXOff + 0.5 * dfSrcXInc; |
2432 | 0 | int nCurBlockXOff = 0; |
2433 | 0 | int nNextBlockXOff = 0; |
2434 | 0 | toff_t nCurOffset = 0; |
2435 | 0 | for (int x = 0; x < nBufXSize; ++x, dfSrcX += dfSrcXInc) |
2436 | 0 | { |
2437 | 0 | int nSrcPixel = static_cast<int>(dfSrcX); |
2438 | 0 | if (nSrcPixel >= nNextBlockXOff) |
2439 | 0 | { |
2440 | 0 | const int nBlockXOff = nSrcPixel / m_nBlockXSize; |
2441 | 0 | nCurBlockXOff = nBlockXOff * m_nBlockXSize; |
2442 | 0 | nNextBlockXOff = nCurBlockXOff + m_nBlockXSize; |
2443 | 0 | const int nBlockId = poFirstBand->ComputeBlockId( |
2444 | 0 | nBlockXOff, m_nBlockYOff); |
2445 | 0 | nCurOffset = panOffsets[nBlockId]; |
2446 | 0 | if (nCurOffset != 0) |
2447 | 0 | { |
2448 | 0 | pabyLocalSrcDataStartLine = oFetcher.FetchBytes( |
2449 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2450 | 0 | m_nBlockXSize * nBandsPerBlock, nDTSize, |
2451 | 0 | bIsByteSwapped, bIsComplex, nBlockId); |
2452 | 0 | if (pabyLocalSrcDataStartLine == nullptr) |
2453 | 0 | return CE_Failure; |
2454 | 0 | } |
2455 | 0 | } |
2456 | 0 | const int nXOffsetInBlock = nSrcPixel - nCurBlockXOff; |
2457 | |
|
2458 | 0 | if (nCurOffset == 0) |
2459 | 0 | { |
2460 | 0 | REACHED(5); |
2461 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2462 | 0 | pabyLocalData, eBufType, |
2463 | 0 | static_cast<int>(nBandSpace), |
2464 | 0 | nBandCount); |
2465 | 0 | pabyLocalData += nPixelSpace; |
2466 | 0 | } |
2467 | 0 | else |
2468 | 0 | { |
2469 | 0 | const GByte *pabyLocalSrcData = |
2470 | 0 | pabyLocalSrcDataStartLine + |
2471 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2472 | |
|
2473 | 0 | REACHED(6); |
2474 | 0 | if (bByteOnly) |
2475 | 0 | { |
2476 | 0 | for (int iBand = 0; iBand < nBands; ++iBand) |
2477 | 0 | pabyLocalData[iBand] = |
2478 | 0 | pabyLocalSrcData[iBand]; |
2479 | 0 | } |
2480 | 0 | else |
2481 | 0 | { |
2482 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, |
2483 | 0 | nDTSize, pabyLocalData, eBufType, |
2484 | 0 | static_cast<int>(nBandSpace), |
2485 | 0 | nBandCount); |
2486 | 0 | } |
2487 | 0 | pabyLocalData += nPixelSpace; |
2488 | 0 | } |
2489 | 0 | } |
2490 | 0 | } |
2491 | 0 | } |
2492 | 0 | } |
2493 | 0 | else // Contig, striped organized. |
2494 | 0 | { |
2495 | 0 | GByte *pabyData = static_cast<GByte *>(pData); |
2496 | 0 | for (int y = 0; y < nBufYSize; ++y) |
2497 | 0 | { |
2498 | 0 | const int nSrcLine = |
2499 | 0 | nYOff + static_cast<int>((y + 0.5) * dfSrcYInc); |
2500 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2501 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2502 | 0 | const int nBlockId = m_nBlockYOff; |
2503 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
2504 | 0 | if (nCurOffset == 0) |
2505 | 0 | { |
2506 | 0 | REACHED(7); |
2507 | 0 | for (int x = 0; x < nBufXSize; ++x) |
2508 | 0 | { |
2509 | 0 | GDALCopyWords( |
2510 | 0 | &dfNoData, GDT_Float64, 0, |
2511 | 0 | pabyData + y * nLineSpace + x * nPixelSpace, |
2512 | 0 | eBufType, static_cast<int>(nBandSpace), nBandCount); |
2513 | 0 | } |
2514 | 0 | } |
2515 | 0 | else |
2516 | 0 | { |
2517 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2518 | 0 | const int nBaseByteOffsetIm_nBlock = |
2519 | 0 | (nYOffsetIm_nBlock * m_nBlockXSize + nXOff) * |
2520 | 0 | nBandsPerBlockDTSize; |
2521 | |
|
2522 | 0 | if (bNoXResamplingNoTypeChange && nBands == nBandCount && |
2523 | 0 | nPixelSpace == nBandsPerBlockDTSize) |
2524 | 0 | { |
2525 | 0 | REACHED(8); |
2526 | 0 | if (!oFetcher.FetchBytes( |
2527 | 0 | pabyLocalData, |
2528 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2529 | 0 | nXSize * nBandsPerBlock, nDTSize, |
2530 | 0 | bIsByteSwapped, bIsComplex, nBlockId)) |
2531 | 0 | { |
2532 | 0 | return CE_Failure; |
2533 | 0 | } |
2534 | 0 | } |
2535 | 0 | else |
2536 | 0 | { |
2537 | 0 | const GByte *pabyLocalSrcData = oFetcher.FetchBytes( |
2538 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2539 | 0 | nXSize * nBandsPerBlock, nDTSize, bIsByteSwapped, |
2540 | 0 | bIsComplex, nBlockId); |
2541 | 0 | if (pabyLocalSrcData == nullptr) |
2542 | 0 | return CE_Failure; |
2543 | | |
2544 | 0 | if (bByteNoXResampling) |
2545 | 0 | { |
2546 | 0 | REACHED(9); |
2547 | 0 | CopyContigByteMultiBand( |
2548 | 0 | pabyLocalSrcData, nBandsPerBlockDTSize, |
2549 | 0 | pabyLocalData, static_cast<int>(nPixelSpace), |
2550 | 0 | nBufXSize, nBandCount); |
2551 | 0 | } |
2552 | 0 | else if (bByteOnly) |
2553 | 0 | { |
2554 | 0 | REACHED(10); |
2555 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
2556 | 0 | for (int x = 0; x < nBufXSize; |
2557 | 0 | ++x, dfSrcX += dfSrcXInc) |
2558 | 0 | { |
2559 | 0 | const int nSrcPixelMinusXOff = |
2560 | 0 | static_cast<int>(dfSrcX); |
2561 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2562 | 0 | { |
2563 | 0 | pabyLocalData[x * nPixelSpace + iBand] = |
2564 | 0 | pabyLocalSrcData |
2565 | 0 | [nSrcPixelMinusXOff * |
2566 | 0 | nBandsPerBlockDTSize + |
2567 | 0 | iBand]; |
2568 | 0 | } |
2569 | 0 | } |
2570 | 0 | } |
2571 | 0 | else |
2572 | 0 | { |
2573 | 0 | REACHED(11); |
2574 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
2575 | 0 | for (int x = 0; x < nBufXSize; |
2576 | 0 | ++x, dfSrcX += dfSrcXInc) |
2577 | 0 | { |
2578 | 0 | int nSrcPixelMinusXOff = |
2579 | 0 | static_cast<int>(dfSrcX); |
2580 | 0 | GDALCopyWords( |
2581 | 0 | pabyLocalSrcData + nSrcPixelMinusXOff * |
2582 | 0 | nBandsPerBlockDTSize, |
2583 | 0 | eDataType, nDTSize, |
2584 | 0 | pabyLocalData + x * nPixelSpace, eBufType, |
2585 | 0 | static_cast<int>(nBandSpace), nBandCount); |
2586 | 0 | } |
2587 | 0 | } |
2588 | 0 | } |
2589 | 0 | } |
2590 | 0 | } |
2591 | 0 | } |
2592 | 0 | } |
2593 | 0 | else // Non-contig reading case. |
2594 | 0 | { |
2595 | | // cppcheck-suppress knownConditionTrueFalse |
2596 | 0 | if (!FetchBuffer::bMinimizeIO && TIFFIsTiled(m_hTIFF)) |
2597 | 0 | { |
2598 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2599 | 0 | { |
2600 | 0 | const int nBand = panBandMap[iBand]; |
2601 | 0 | auto poCurBand = |
2602 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(nBand)); |
2603 | 0 | GByte *const pabyData = |
2604 | 0 | static_cast<GByte *>(pData) + iBand * nBandSpace; |
2605 | 0 | for (int y = 0; y < nBufYSize; ++y) |
2606 | 0 | { |
2607 | 0 | const int nSrcLine = |
2608 | 0 | nYOff + static_cast<int>((y + 0.5) * dfSrcYInc); |
2609 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2610 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2611 | |
|
2612 | 0 | int nBaseByteOffsetIm_nBlock = nYOffsetIm_nBlock * |
2613 | 0 | m_nBlockXSize * |
2614 | 0 | nBandsPerBlockDTSize; |
2615 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG) |
2616 | 0 | { |
2617 | 0 | REACHED(12); |
2618 | 0 | nBaseByteOffsetIm_nBlock += (nBand - 1) * nDTSize; |
2619 | 0 | } |
2620 | 0 | else |
2621 | 0 | { |
2622 | 0 | REACHED(13); |
2623 | 0 | } |
2624 | |
|
2625 | 0 | if (bNoXResampling) |
2626 | 0 | { |
2627 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2628 | 0 | int nBlockXOff = nXOff / m_nBlockXSize; |
2629 | 0 | int nBlockId = |
2630 | 0 | poCurBand->ComputeBlockId(nBlockXOff, m_nBlockYOff); |
2631 | 0 | int nXOffsetInBlock = nXOff % m_nBlockXSize; |
2632 | |
|
2633 | 0 | int x = 0; |
2634 | 0 | while (x < nBufXSize) |
2635 | 0 | { |
2636 | 0 | const int nByteOffsetIm_nBlock = |
2637 | 0 | nBaseByteOffsetIm_nBlock + |
2638 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2639 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
2640 | 0 | const int nUsedBlockWidth = std::min( |
2641 | 0 | m_nBlockXSize - nXOffsetInBlock, nBufXSize - x); |
2642 | 0 | int nIters = nUsedBlockWidth; |
2643 | |
|
2644 | 0 | if (nCurOffset == 0) |
2645 | 0 | { |
2646 | 0 | REACHED(16); |
2647 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2648 | 0 | pabyLocalData, eBufType, |
2649 | 0 | static_cast<int>(nPixelSpace), |
2650 | 0 | nIters); |
2651 | 0 | pabyLocalData += nIters * nPixelSpace; |
2652 | 0 | } |
2653 | 0 | else |
2654 | 0 | { |
2655 | 0 | if (bNoTypeChange && |
2656 | 0 | nPixelSpace == nBandsPerBlockDTSize) |
2657 | 0 | { |
2658 | 0 | REACHED(17); |
2659 | 0 | if (!oFetcher.FetchBytes( |
2660 | 0 | pabyLocalData, |
2661 | 0 | nCurOffset + nByteOffsetIm_nBlock, |
2662 | 0 | (nIters - 1) * nBandsPerBlock + 1, |
2663 | 0 | nDTSize, bIsByteSwapped, bIsComplex, |
2664 | 0 | nBlockId)) |
2665 | 0 | { |
2666 | 0 | return CE_Failure; |
2667 | 0 | } |
2668 | 0 | pabyLocalData += nIters * nPixelSpace; |
2669 | 0 | } |
2670 | 0 | else |
2671 | 0 | { |
2672 | 0 | const GByte *pabyLocalSrcData = |
2673 | 0 | oFetcher.FetchBytes( |
2674 | 0 | nCurOffset + nByteOffsetIm_nBlock, |
2675 | 0 | (nIters - 1) * nBandsPerBlock + 1, |
2676 | 0 | nDTSize, bIsByteSwapped, bIsComplex, |
2677 | 0 | nBlockId); |
2678 | 0 | if (pabyLocalSrcData == nullptr) |
2679 | 0 | return CE_Failure; |
2680 | | |
2681 | 0 | REACHED(18); |
2682 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, |
2683 | 0 | nBandsPerBlockDTSize, |
2684 | 0 | pabyLocalData, eBufType, |
2685 | 0 | static_cast<int>(nPixelSpace), |
2686 | 0 | nIters); |
2687 | 0 | pabyLocalData += nIters * nPixelSpace; |
2688 | 0 | } |
2689 | 0 | } |
2690 | | |
2691 | 0 | nXOffsetInBlock = 0; |
2692 | 0 | ++nBlockXOff; |
2693 | 0 | ++nBlockId; |
2694 | 0 | x += nUsedBlockWidth; |
2695 | 0 | } |
2696 | 0 | } |
2697 | 0 | else |
2698 | 0 | { |
2699 | | // Non-contig reading, tiled, potential resampling and |
2700 | | // data type change. |
2701 | |
|
2702 | 0 | const GByte *pabyLocalSrcDataStartLine = nullptr; |
2703 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2704 | 0 | double dfSrcX = nXOff + 0.5 * dfSrcXInc; |
2705 | 0 | int nCurBlockXOff = 0; |
2706 | 0 | int nNextBlockXOff = 0; |
2707 | 0 | toff_t nCurOffset = 0; |
2708 | 0 | for (int x = 0; x < nBufXSize; ++x, dfSrcX += dfSrcXInc) |
2709 | 0 | { |
2710 | 0 | const int nSrcPixel = static_cast<int>(dfSrcX); |
2711 | 0 | if (nSrcPixel >= nNextBlockXOff) |
2712 | 0 | { |
2713 | 0 | const int nBlockXOff = |
2714 | 0 | nSrcPixel / m_nBlockXSize; |
2715 | 0 | nCurBlockXOff = nBlockXOff * m_nBlockXSize; |
2716 | 0 | nNextBlockXOff = nCurBlockXOff + m_nBlockXSize; |
2717 | 0 | const int nBlockId = poCurBand->ComputeBlockId( |
2718 | 0 | nBlockXOff, m_nBlockYOff); |
2719 | 0 | nCurOffset = panOffsets[nBlockId]; |
2720 | 0 | if (nCurOffset != 0) |
2721 | 0 | { |
2722 | 0 | pabyLocalSrcDataStartLine = |
2723 | 0 | oFetcher.FetchBytes( |
2724 | 0 | nCurOffset + |
2725 | 0 | nBaseByteOffsetIm_nBlock, |
2726 | 0 | m_nBlockXSize * nBandsPerBlock, |
2727 | 0 | nDTSize, bIsByteSwapped, bIsComplex, |
2728 | 0 | nBlockId); |
2729 | 0 | if (pabyLocalSrcDataStartLine == nullptr) |
2730 | 0 | return CE_Failure; |
2731 | 0 | } |
2732 | 0 | } |
2733 | 0 | const int nXOffsetInBlock = |
2734 | 0 | nSrcPixel - nCurBlockXOff; |
2735 | |
|
2736 | 0 | if (nCurOffset == 0) |
2737 | 0 | { |
2738 | 0 | REACHED(21); |
2739 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2740 | 0 | pabyLocalData, eBufType, 0, 1); |
2741 | 0 | pabyLocalData += nPixelSpace; |
2742 | 0 | } |
2743 | 0 | else |
2744 | 0 | { |
2745 | 0 | const GByte *pabyLocalSrcData = |
2746 | 0 | pabyLocalSrcDataStartLine + |
2747 | 0 | nXOffsetInBlock * nBandsPerBlockDTSize; |
2748 | |
|
2749 | 0 | REACHED(22); |
2750 | 0 | if (bByteOnly) |
2751 | 0 | { |
2752 | 0 | *pabyLocalData = *pabyLocalSrcData; |
2753 | 0 | } |
2754 | 0 | else |
2755 | 0 | { |
2756 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, |
2757 | 0 | 0, pabyLocalData, eBufType, 0, |
2758 | 0 | 1); |
2759 | 0 | } |
2760 | 0 | pabyLocalData += nPixelSpace; |
2761 | 0 | } |
2762 | 0 | } |
2763 | 0 | } |
2764 | 0 | } |
2765 | 0 | } |
2766 | 0 | } |
2767 | 0 | else // Non-contig reading, striped. |
2768 | 0 | { |
2769 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2770 | 0 | { |
2771 | 0 | const int nBand = panBandMap[iBand]; |
2772 | 0 | GByte *pabyData = |
2773 | 0 | static_cast<GByte *>(pData) + iBand * nBandSpace; |
2774 | 0 | for (int y = 0; y < nBufYSize; ++y) |
2775 | 0 | { |
2776 | 0 | const int nSrcLine = |
2777 | 0 | nYOff + static_cast<int>((y + 0.5) * dfSrcYInc); |
2778 | 0 | const int m_nBlockYOff = nSrcLine / m_nBlockYSize; |
2779 | 0 | const int nYOffsetIm_nBlock = nSrcLine % m_nBlockYSize; |
2780 | 0 | int nBlockId = m_nBlockYOff; |
2781 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
2782 | 0 | { |
2783 | 0 | REACHED(23); |
2784 | 0 | nBlockId += m_nBlocksPerBand * (nBand - 1); |
2785 | 0 | } |
2786 | 0 | else |
2787 | 0 | { |
2788 | 0 | REACHED(24); |
2789 | 0 | } |
2790 | 0 | const toff_t nCurOffset = panOffsets[nBlockId]; |
2791 | 0 | if (nCurOffset == 0) |
2792 | 0 | { |
2793 | 0 | REACHED(25); |
2794 | 0 | GDALCopyWords(&dfNoData, GDT_Float64, 0, |
2795 | 0 | pabyData + y * nLineSpace, eBufType, |
2796 | 0 | static_cast<int>(nPixelSpace), nBufXSize); |
2797 | 0 | } |
2798 | 0 | else |
2799 | 0 | { |
2800 | 0 | int nBaseByteOffsetIm_nBlock = |
2801 | 0 | (nYOffsetIm_nBlock * m_nBlockXSize + nXOff) * |
2802 | 0 | nBandsPerBlockDTSize; |
2803 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG) |
2804 | 0 | nBaseByteOffsetIm_nBlock += (nBand - 1) * nDTSize; |
2805 | |
|
2806 | 0 | GByte *pabyLocalData = pabyData + y * nLineSpace; |
2807 | 0 | if (bNoXResamplingNoTypeChange && |
2808 | 0 | nPixelSpace == nBandsPerBlockDTSize) |
2809 | 0 | { |
2810 | 0 | REACHED(26); |
2811 | 0 | if (!oFetcher.FetchBytes( |
2812 | 0 | pabyLocalData, |
2813 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2814 | 0 | (nXSize - 1) * nBandsPerBlock + 1, nDTSize, |
2815 | 0 | bIsByteSwapped, bIsComplex, nBlockId)) |
2816 | 0 | { |
2817 | 0 | return CE_Failure; |
2818 | 0 | } |
2819 | 0 | } |
2820 | 0 | else |
2821 | 0 | { |
2822 | 0 | const GByte *pabyLocalSrcData = oFetcher.FetchBytes( |
2823 | 0 | nCurOffset + nBaseByteOffsetIm_nBlock, |
2824 | 0 | (nXSize - 1) * nBandsPerBlock + 1, nDTSize, |
2825 | 0 | bIsByteSwapped, bIsComplex, nBlockId); |
2826 | 0 | if (pabyLocalSrcData == nullptr) |
2827 | 0 | return CE_Failure; |
2828 | | |
2829 | 0 | if (bNoXResamplingNoTypeChange) |
2830 | 0 | { |
2831 | 0 | REACHED(27); |
2832 | 0 | GDALCopyWords(pabyLocalSrcData, eDataType, |
2833 | 0 | nBandsPerBlockDTSize, |
2834 | 0 | pabyLocalData, eBufType, |
2835 | 0 | static_cast<int>(nPixelSpace), |
2836 | 0 | nBufXSize); |
2837 | 0 | } |
2838 | 0 | else if (bByteOnly) |
2839 | 0 | { |
2840 | 0 | REACHED(28); |
2841 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
2842 | 0 | for (int x = 0; x < nBufXSize; |
2843 | 0 | ++x, dfSrcX += dfSrcXInc) |
2844 | 0 | { |
2845 | 0 | const int nSrcPixelMinusXOff = |
2846 | 0 | static_cast<int>(dfSrcX); |
2847 | 0 | pabyLocalData[x * nPixelSpace] = |
2848 | 0 | pabyLocalSrcData[nSrcPixelMinusXOff * |
2849 | 0 | nBandsPerBlockDTSize]; |
2850 | 0 | } |
2851 | 0 | } |
2852 | 0 | else |
2853 | 0 | { |
2854 | 0 | REACHED(29); |
2855 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
2856 | 0 | for (int x = 0; x < nBufXSize; |
2857 | 0 | ++x, dfSrcX += dfSrcXInc) |
2858 | 0 | { |
2859 | 0 | const int nSrcPixelMinusXOff = |
2860 | 0 | static_cast<int>(dfSrcX); |
2861 | 0 | GDALCopyWords(pabyLocalSrcData + |
2862 | 0 | nSrcPixelMinusXOff * |
2863 | 0 | nBandsPerBlockDTSize, |
2864 | 0 | eDataType, 0, |
2865 | 0 | pabyLocalData + |
2866 | 0 | x * nPixelSpace, |
2867 | 0 | eBufType, 0, 1); |
2868 | 0 | } |
2869 | 0 | } |
2870 | 0 | } |
2871 | 0 | } |
2872 | 0 | } |
2873 | 0 | } |
2874 | 0 | } |
2875 | 0 | } |
2876 | | |
2877 | 0 | return CE_None; |
2878 | 0 | } Unexecuted instantiation: CPLErr GTiffDataset::CommonDirectIO<FetchBufferVirtualMemIO>(FetchBufferVirtualMemIO&, int, int, int, int, void*, int, int, GDALDataType, int, int const*, long long, long long, long long) Unexecuted instantiation: CPLErr GTiffDataset::CommonDirectIO<FetchBufferDirectIO>(FetchBufferDirectIO&, int, int, int, int, void*, int, int, GDALDataType, int, int const*, long long, long long, long long) |
2879 | | |
2880 | | /************************************************************************/ |
2881 | | /* DirectIO() */ |
2882 | | /************************************************************************/ |
2883 | | |
2884 | | CPLErr GTiffDataset::CommonDirectIOClassic( |
2885 | | FetchBufferDirectIO &oFetcher, int nXOff, int nYOff, int nXSize, int nYSize, |
2886 | | void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType, |
2887 | | int nBandCount, const int *panBandMap, GSpacing nPixelSpace, |
2888 | | GSpacing nLineSpace, GSpacing nBandSpace) |
2889 | 0 | { |
2890 | 0 | return CommonDirectIO<FetchBufferDirectIO>( |
2891 | 0 | oFetcher, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize, |
2892 | 0 | eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace, nBandSpace); |
2893 | 0 | } |
2894 | | |
2895 | | /************************************************************************/ |
2896 | | /* DirectIO() */ |
2897 | | /************************************************************************/ |
2898 | | |
2899 | | // Reads directly bytes from the file using ReadMultiRange(), and by-pass |
2900 | | // block reading. Restricted to simple TIFF configurations |
2901 | | // (uncompressed data, standard data types). Particularly useful to extract |
2902 | | // sub-windows of data on a large /vsicurl dataset). |
2903 | | // Returns -1 if DirectIO() can't be supported on that file. |
2904 | | |
2905 | | int GTiffDataset::DirectIO(GDALRWFlag eRWFlag, int nXOff, int nYOff, int nXSize, |
2906 | | int nYSize, void *pData, int nBufXSize, |
2907 | | int nBufYSize, GDALDataType eBufType, int nBandCount, |
2908 | | const int *panBandMap, GSpacing nPixelSpace, |
2909 | | GSpacing nLineSpace, GSpacing nBandSpace, |
2910 | | GDALRasterIOExtraArg *psExtraArg) |
2911 | 0 | { |
2912 | 0 | auto poProtoBand = cpl::down_cast<GTiffRasterBand *>(papoBands[0]); |
2913 | 0 | const GDALDataType eDataType = poProtoBand->GetRasterDataType(); |
2914 | 0 | const int nDTSizeBits = GDALGetDataTypeSizeBits(eDataType); |
2915 | 0 | if (!(eRWFlag == GF_Read && m_nCompression == COMPRESSION_NONE && |
2916 | 0 | (m_nPhotometric == PHOTOMETRIC_MINISBLACK || |
2917 | 0 | m_nPhotometric == PHOTOMETRIC_RGB || |
2918 | 0 | m_nPhotometric == PHOTOMETRIC_PALETTE) && |
2919 | 0 | poProtoBand->IsBaseGTiffClass())) |
2920 | 0 | { |
2921 | 0 | return -1; |
2922 | 0 | } |
2923 | 0 | Crystalize(); |
2924 | | |
2925 | | // Only know how to deal with nearest neighbour in this optimized routine. |
2926 | 0 | if ((nXSize != nBufXSize || nYSize != nBufYSize) && psExtraArg != nullptr && |
2927 | 0 | psExtraArg->eResampleAlg != GRIORA_NearestNeighbour) |
2928 | 0 | { |
2929 | 0 | return -1; |
2930 | 0 | } |
2931 | | |
2932 | | // If the file is band interleave or only one band is requested, then |
2933 | | // fallback to band DirectIO. |
2934 | 0 | bool bUseBandRasterIO = false; |
2935 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE || nBandCount == 1) |
2936 | 0 | { |
2937 | 0 | bUseBandRasterIO = true; |
2938 | 0 | } |
2939 | 0 | else |
2940 | 0 | { |
2941 | | // For simplicity, only deals with "naturally ordered" bands. |
2942 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
2943 | 0 | { |
2944 | 0 | if (panBandMap[iBand] != iBand + 1) |
2945 | 0 | { |
2946 | 0 | bUseBandRasterIO = true; |
2947 | 0 | break; |
2948 | 0 | } |
2949 | 0 | } |
2950 | 0 | } |
2951 | 0 | if (bUseBandRasterIO) |
2952 | 0 | { |
2953 | 0 | CPLErr eErr = CE_None; |
2954 | 0 | for (int iBand = 0; eErr == CE_None && iBand < nBandCount; ++iBand) |
2955 | 0 | { |
2956 | 0 | eErr = |
2957 | 0 | GetRasterBand(panBandMap[iBand]) |
2958 | 0 | ->RasterIO(eRWFlag, nXOff, nYOff, nXSize, nYSize, |
2959 | 0 | static_cast<GByte *>(pData) + iBand * nBandSpace, |
2960 | 0 | nBufXSize, nBufYSize, eBufType, nPixelSpace, |
2961 | 0 | nLineSpace, psExtraArg); |
2962 | 0 | } |
2963 | 0 | return eErr; |
2964 | 0 | } |
2965 | | |
2966 | | #if DEBUG_VERBOSE |
2967 | | CPLDebug("GTiff", "DirectIO(%d,%d,%d,%d -> %dx%d)", nXOff, nYOff, nXSize, |
2968 | | nYSize, nBufXSize, nBufYSize); |
2969 | | #endif |
2970 | | |
2971 | | // No need to look if overviews can satisfy the request as it has already */ |
2972 | | // been done in GTiffDataset::IRasterIO(). |
2973 | | |
2974 | | // Make sure that TIFFTAG_STRIPOFFSETS is up-to-date. |
2975 | 0 | if (eAccess == GA_Update) |
2976 | 0 | { |
2977 | 0 | FlushCache(false); |
2978 | 0 | VSI_TIFFFlushBufferedWrite(TIFFClientdata(m_hTIFF)); |
2979 | 0 | } |
2980 | |
|
2981 | 0 | if (TIFFIsTiled(m_hTIFF)) |
2982 | 0 | { |
2983 | 0 | const int nDTSize = nDTSizeBits / 8; |
2984 | 0 | const size_t nTempBufferForCommonDirectIOSize = static_cast<size_t>( |
2985 | 0 | static_cast<GPtrDiff_t>(m_nBlockXSize) * m_nBlockYSize * nDTSize * |
2986 | 0 | ((m_nPlanarConfig == PLANARCONFIG_CONTIG) ? nBands : 1)); |
2987 | 0 | if (m_pTempBufferForCommonDirectIO == nullptr) |
2988 | 0 | { |
2989 | 0 | m_pTempBufferForCommonDirectIO = static_cast<GByte *>( |
2990 | 0 | VSI_MALLOC_VERBOSE(nTempBufferForCommonDirectIOSize)); |
2991 | 0 | if (m_pTempBufferForCommonDirectIO == nullptr) |
2992 | 0 | return CE_Failure; |
2993 | 0 | } |
2994 | | |
2995 | 0 | VSILFILE *fp = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)); |
2996 | 0 | FetchBufferDirectIO oFetcher(fp, m_pTempBufferForCommonDirectIO, |
2997 | 0 | nTempBufferForCommonDirectIOSize); |
2998 | |
|
2999 | 0 | return CommonDirectIOClassic(oFetcher, nXOff, nYOff, nXSize, nYSize, |
3000 | 0 | pData, nBufXSize, nBufYSize, eBufType, |
3001 | 0 | nBandCount, panBandMap, nPixelSpace, |
3002 | 0 | nLineSpace, nBandSpace); |
3003 | 0 | } |
3004 | | |
3005 | | // Get strip offsets. |
3006 | 0 | toff_t *panTIFFOffsets = nullptr; |
3007 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_STRIPOFFSETS, &panTIFFOffsets) || |
3008 | 0 | panTIFFOffsets == nullptr) |
3009 | 0 | { |
3010 | 0 | return CE_Failure; |
3011 | 0 | } |
3012 | | |
3013 | | // Sub-sampling or over-sampling can only be done at last stage. |
3014 | 0 | int nReqXSize = nXSize; |
3015 | | // Can do sub-sampling at the extraction stage. |
3016 | 0 | const int nReqYSize = std::min(nBufYSize, nYSize); |
3017 | 0 | void **ppData = |
3018 | 0 | static_cast<void **>(VSI_MALLOC_VERBOSE(nReqYSize * sizeof(void *))); |
3019 | 0 | vsi_l_offset *panOffsets = static_cast<vsi_l_offset *>( |
3020 | 0 | VSI_MALLOC_VERBOSE(nReqYSize * sizeof(vsi_l_offset))); |
3021 | 0 | size_t *panSizes = |
3022 | 0 | static_cast<size_t *>(VSI_MALLOC_VERBOSE(nReqYSize * sizeof(size_t))); |
3023 | 0 | const int nDTSize = GDALGetDataTypeSizeBytes(eDataType); |
3024 | 0 | void *pTmpBuffer = nullptr; |
3025 | 0 | int eErr = CE_None; |
3026 | 0 | int nContigBands = nBands; |
3027 | 0 | const int nSrcPixelSize = nDTSize * nContigBands; |
3028 | |
|
3029 | 0 | if (ppData == nullptr || panOffsets == nullptr || panSizes == nullptr) |
3030 | 0 | { |
3031 | 0 | eErr = CE_Failure; |
3032 | 0 | } |
3033 | | // For now we always allocate a temp buffer as it is easier. |
3034 | 0 | else |
3035 | | // if( nXSize != nBufXSize || nYSize != nBufYSize || |
3036 | | // eBufType != eDataType || |
3037 | | // nPixelSpace != GDALGetDataTypeSizeBytes(eBufType) || |
3038 | | // check if the user buffer is large enough ) |
3039 | 0 | { |
3040 | | // We need a temporary buffer for over-sampling/sub-sampling |
3041 | | // and/or data type conversion. |
3042 | 0 | pTmpBuffer = VSI_MALLOC3_VERBOSE(nReqXSize, nReqYSize, nSrcPixelSize); |
3043 | 0 | if (pTmpBuffer == nullptr) |
3044 | 0 | eErr = CE_Failure; |
3045 | 0 | } |
3046 | | |
3047 | | // Prepare data extraction. |
3048 | 0 | const double dfSrcYInc = nYSize / static_cast<double>(nBufYSize); |
3049 | |
|
3050 | 0 | for (int iLine = 0; eErr == CE_None && iLine < nReqYSize; ++iLine) |
3051 | 0 | { |
3052 | 0 | ppData[iLine] = static_cast<GByte *>(pTmpBuffer) + |
3053 | 0 | static_cast<size_t>(iLine) * nReqXSize * nSrcPixelSize; |
3054 | 0 | int nSrcLine = 0; |
3055 | 0 | if (nBufYSize < nYSize) // Sub-sampling in y. |
3056 | 0 | nSrcLine = nYOff + static_cast<int>((iLine + 0.5) * dfSrcYInc); |
3057 | 0 | else |
3058 | 0 | nSrcLine = nYOff + iLine; |
3059 | |
|
3060 | 0 | const int nBlockXOff = 0; |
3061 | 0 | const int nBlockYOff = nSrcLine / m_nBlockYSize; |
3062 | 0 | const int nYOffsetInBlock = nSrcLine % m_nBlockYSize; |
3063 | 0 | const int nBlockId = |
3064 | 0 | poProtoBand->ComputeBlockId(nBlockXOff, nBlockYOff); |
3065 | |
|
3066 | 0 | panOffsets[iLine] = panTIFFOffsets[nBlockId]; |
3067 | 0 | if (panOffsets[iLine] == 0) // We don't support sparse files. |
3068 | 0 | eErr = -1; |
3069 | |
|
3070 | 0 | panOffsets[iLine] += |
3071 | 0 | (nXOff + |
3072 | 0 | static_cast<vsi_l_offset>(nYOffsetInBlock) * m_nBlockXSize) * |
3073 | 0 | nSrcPixelSize; |
3074 | 0 | panSizes[iLine] = static_cast<size_t>(nReqXSize) * nSrcPixelSize; |
3075 | 0 | } |
3076 | | |
3077 | | // Extract data from the file. |
3078 | 0 | if (eErr == CE_None) |
3079 | 0 | { |
3080 | 0 | VSILFILE *fp = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)); |
3081 | 0 | const int nRet = |
3082 | 0 | VSIFReadMultiRangeL(nReqYSize, ppData, panOffsets, panSizes, fp); |
3083 | 0 | if (nRet != 0) |
3084 | 0 | eErr = CE_Failure; |
3085 | 0 | } |
3086 | | |
3087 | | // Byte-swap if necessary. |
3088 | 0 | if (eErr == CE_None && TIFFIsByteSwapped(m_hTIFF)) |
3089 | 0 | { |
3090 | 0 | for (int iLine = 0; iLine < nReqYSize; ++iLine) |
3091 | 0 | { |
3092 | 0 | if (GDALDataTypeIsComplex(eDataType)) |
3093 | 0 | GDALSwapWords(ppData[iLine], nDTSize / 2, |
3094 | 0 | 2 * nReqXSize * nContigBands, nDTSize / 2); |
3095 | 0 | else |
3096 | 0 | GDALSwapWords(ppData[iLine], nDTSize, nReqXSize * nContigBands, |
3097 | 0 | nDTSize); |
3098 | 0 | } |
3099 | 0 | } |
3100 | | |
3101 | | // Over-sampling/sub-sampling and/or data type conversion. |
3102 | 0 | const double dfSrcXInc = nXSize / static_cast<double>(nBufXSize); |
3103 | 0 | if (eErr == CE_None && pTmpBuffer != nullptr) |
3104 | 0 | { |
3105 | 0 | for (int iY = 0; iY < nBufYSize; ++iY) |
3106 | 0 | { |
3107 | 0 | const int iSrcY = nBufYSize <= nYSize |
3108 | 0 | ? iY |
3109 | 0 | : static_cast<int>((iY + 0.5) * dfSrcYInc); |
3110 | | // Optimization: no resampling, no data type change, number of |
3111 | | // bands requested == number of bands and buffer is packed |
3112 | | // pixel-interleaved. |
3113 | 0 | if (nBufXSize == nXSize && nContigBands == nBandCount && |
3114 | 0 | eDataType == eBufType && nBandSpace == nDTSize && |
3115 | 0 | nPixelSpace == nBandCount * nBandSpace) |
3116 | 0 | { |
3117 | 0 | memcpy(static_cast<GByte *>(pData) + iY * nLineSpace, |
3118 | 0 | ppData[iSrcY], |
3119 | 0 | static_cast<size_t>(nReqXSize * nPixelSpace)); |
3120 | 0 | } |
3121 | | // Other optimization: no resampling, no data type change, |
3122 | | // data type is Byte/Int8. |
3123 | 0 | else if (nBufXSize == nXSize && eDataType == eBufType && |
3124 | 0 | (eDataType == GDT_Byte || eDataType == GDT_Int8)) |
3125 | 0 | { |
3126 | 0 | GByte *pabySrcData = static_cast<GByte *>(ppData[iSrcY]); |
3127 | 0 | GByte *pabyDstData = |
3128 | 0 | static_cast<GByte *>(pData) + iY * nLineSpace; |
3129 | 0 | if (nBandSpace == 1 && nPixelSpace > nBandCount) |
3130 | 0 | { |
3131 | | // Buffer is pixel-interleaved (with some stridding |
3132 | | // between pixels). |
3133 | 0 | CopyContigByteMultiBand( |
3134 | 0 | pabySrcData, nSrcPixelSize, pabyDstData, |
3135 | 0 | static_cast<int>(nPixelSpace), nBufXSize, nBandCount); |
3136 | 0 | } |
3137 | 0 | else |
3138 | 0 | { |
3139 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
3140 | 0 | { |
3141 | 0 | GDALCopyWords( |
3142 | 0 | pabySrcData + iBand, GDT_Byte, nSrcPixelSize, |
3143 | 0 | pabyDstData + iBand * nBandSpace, GDT_Byte, |
3144 | 0 | static_cast<int>(nPixelSpace), nBufXSize); |
3145 | 0 | } |
3146 | 0 | } |
3147 | 0 | } |
3148 | 0 | else // General case. |
3149 | 0 | { |
3150 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
3151 | 0 | { |
3152 | 0 | GByte *pabySrcData = |
3153 | 0 | static_cast<GByte *>(ppData[iSrcY]) + iBand * nDTSize; |
3154 | 0 | GByte *pabyDstData = static_cast<GByte *>(pData) + |
3155 | 0 | iBand * nBandSpace + iY * nLineSpace; |
3156 | 0 | if ((eDataType == GDT_Byte && eBufType == GDT_Byte) || |
3157 | 0 | (eDataType == GDT_Int8 && eBufType == GDT_Int8)) |
3158 | 0 | { |
3159 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
3160 | 0 | for (int iX = 0; iX < nBufXSize; |
3161 | 0 | ++iX, dfSrcX += dfSrcXInc) |
3162 | 0 | { |
3163 | 0 | int iSrcX = static_cast<int>(dfSrcX); |
3164 | 0 | pabyDstData[iX * nPixelSpace] = |
3165 | 0 | pabySrcData[iSrcX * nSrcPixelSize]; |
3166 | 0 | } |
3167 | 0 | } |
3168 | 0 | else |
3169 | 0 | { |
3170 | 0 | double dfSrcX = 0.5 * dfSrcXInc; |
3171 | 0 | for (int iX = 0; iX < nBufXSize; |
3172 | 0 | ++iX, dfSrcX += dfSrcXInc) |
3173 | 0 | { |
3174 | 0 | int iSrcX = static_cast<int>(dfSrcX); |
3175 | 0 | GDALCopyWords(pabySrcData + iSrcX * nSrcPixelSize, |
3176 | 0 | eDataType, 0, |
3177 | 0 | pabyDstData + iX * nPixelSpace, |
3178 | 0 | eBufType, 0, 1); |
3179 | 0 | } |
3180 | 0 | } |
3181 | 0 | } |
3182 | 0 | } |
3183 | 0 | } |
3184 | 0 | } |
3185 | |
|
3186 | 0 | CPLFree(pTmpBuffer); |
3187 | 0 | CPLFree(ppData); |
3188 | 0 | CPLFree(panOffsets); |
3189 | 0 | CPLFree(panSizes); |
3190 | |
|
3191 | 0 | return eErr; |
3192 | 0 | } |
3193 | | |
3194 | | /************************************************************************/ |
3195 | | /* ReadStrile() */ |
3196 | | /************************************************************************/ |
3197 | | |
3198 | | bool GTiffDataset::ReadStrile(int nBlockId, void *pOutputBuffer, |
3199 | | GPtrDiff_t nBlockReqSize) |
3200 | 0 | { |
3201 | | // Optimization by which we can save some libtiff buffer copy |
3202 | 0 | std::pair<vsi_l_offset, vsi_l_offset> oPair; |
3203 | 0 | if ( |
3204 | | #if TIFFLIB_VERSION <= 20220520 && !defined(INTERNAL_LIBTIFF) |
3205 | | // There's a bug, up to libtiff 4.4.0, in TIFFReadFromUserBuffer() |
3206 | | // which clears the TIFF_CODERSETUP flag of tif->tif_flags, which |
3207 | | // causes the codec SetupDecode method to be called for each strile, |
3208 | | // whereas it should normally be called only for the first decoded one. |
3209 | | // For JPEG, that causes TIFFjpeg_read_header() to be called. Most |
3210 | | // of the time, that works. But for some files, at some point, the |
3211 | | // libjpeg machinery is not in the appropriate state for that. |
3212 | | m_nCompression != COMPRESSION_JPEG && |
3213 | | #endif |
3214 | 0 | m_oCacheStrileToOffsetByteCount.tryGet(nBlockId, oPair)) |
3215 | 0 | { |
3216 | | // For the mask, use the parent TIFF handle to get cached ranges |
3217 | 0 | auto th = TIFFClientdata(m_poImageryDS && m_bMaskInterleavedWithImagery |
3218 | 0 | ? m_poImageryDS->m_hTIFF |
3219 | 0 | : m_hTIFF); |
3220 | 0 | void *pInputBuffer = VSI_TIFFGetCachedRange( |
3221 | 0 | th, oPair.first, static_cast<size_t>(oPair.second)); |
3222 | 0 | if (pInputBuffer && |
3223 | 0 | TIFFReadFromUserBuffer(m_hTIFF, nBlockId, pInputBuffer, |
3224 | 0 | static_cast<size_t>(oPair.second), |
3225 | 0 | pOutputBuffer, nBlockReqSize)) |
3226 | 0 | { |
3227 | 0 | return true; |
3228 | 0 | } |
3229 | 0 | } |
3230 | | |
3231 | | // For debugging |
3232 | 0 | if (m_poBaseDS) |
3233 | 0 | m_poBaseDS->m_bHasUsedReadEncodedAPI = true; |
3234 | 0 | else |
3235 | 0 | m_bHasUsedReadEncodedAPI = true; |
3236 | |
|
3237 | | #if 0 |
3238 | | // Can be useful to test TIFFReadFromUserBuffer() for local files |
3239 | | VSILFILE* fpTIF = VSI_TIFFGetVSILFile(TIFFClientdata( m_hTIFF )); |
3240 | | std::vector<GByte> tmp(TIFFGetStrileByteCount(m_hTIFF, nBlockId)); |
3241 | | VSIFSeekL(fpTIF, TIFFGetStrileOffset(m_hTIFF, nBlockId), SEEK_SET); |
3242 | | VSIFReadL(&tmp[0], 1, TIFFGetStrileByteCount(m_hTIFF, nBlockId), fpTIF); |
3243 | | if( !TIFFReadFromUserBuffer( m_hTIFF, nBlockId, |
3244 | | &tmp[0], tmp.size(), |
3245 | | pOutputBuffer, nBlockReqSize ) ) |
3246 | | { |
3247 | | return false; |
3248 | | } |
3249 | | #else |
3250 | | // Set to 1 to allow GTiffErrorHandler to implement limitation on error |
3251 | | // messages |
3252 | 0 | GTIFFGetThreadLocalLibtiffError() = 1; |
3253 | 0 | if (TIFFIsTiled(m_hTIFF)) |
3254 | 0 | { |
3255 | 0 | if (TIFFReadEncodedTile(m_hTIFF, nBlockId, pOutputBuffer, |
3256 | 0 | nBlockReqSize) == -1 && |
3257 | 0 | !m_bIgnoreReadErrors) |
3258 | 0 | { |
3259 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
3260 | 0 | "TIFFReadEncodedTile() failed."); |
3261 | 0 | GTIFFGetThreadLocalLibtiffError() = 0; |
3262 | 0 | return false; |
3263 | 0 | } |
3264 | 0 | } |
3265 | 0 | else |
3266 | 0 | { |
3267 | 0 | if (TIFFReadEncodedStrip(m_hTIFF, nBlockId, pOutputBuffer, |
3268 | 0 | nBlockReqSize) == -1 && |
3269 | 0 | !m_bIgnoreReadErrors) |
3270 | 0 | { |
3271 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
3272 | 0 | "TIFFReadEncodedStrip() failed."); |
3273 | 0 | GTIFFGetThreadLocalLibtiffError() = 0; |
3274 | 0 | return false; |
3275 | 0 | } |
3276 | 0 | } |
3277 | 0 | GTIFFGetThreadLocalLibtiffError() = 0; |
3278 | 0 | #endif |
3279 | 0 | return true; |
3280 | 0 | } |
3281 | | |
3282 | | /************************************************************************/ |
3283 | | /* LoadBlockBuf() */ |
3284 | | /* */ |
3285 | | /* Load working block buffer with request block (tile/strip). */ |
3286 | | /************************************************************************/ |
3287 | | |
3288 | | CPLErr GTiffDataset::LoadBlockBuf(int nBlockId, bool bReadFromDisk) |
3289 | | |
3290 | 0 | { |
3291 | 0 | if (m_nLoadedBlock == nBlockId && m_pabyBlockBuf != nullptr) |
3292 | 0 | return CE_None; |
3293 | | |
3294 | | /* -------------------------------------------------------------------- */ |
3295 | | /* If we have a dirty loaded block, flush it out first. */ |
3296 | | /* -------------------------------------------------------------------- */ |
3297 | 0 | if (m_nLoadedBlock != -1 && m_bLoadedBlockDirty) |
3298 | 0 | { |
3299 | 0 | const CPLErr eErr = FlushBlockBuf(); |
3300 | 0 | if (eErr != CE_None) |
3301 | 0 | return eErr; |
3302 | 0 | } |
3303 | | |
3304 | | /* -------------------------------------------------------------------- */ |
3305 | | /* Get block size. */ |
3306 | | /* -------------------------------------------------------------------- */ |
3307 | 0 | const GPtrDiff_t nBlockBufSize = static_cast<GPtrDiff_t>( |
3308 | 0 | TIFFIsTiled(m_hTIFF) ? TIFFTileSize(m_hTIFF) : TIFFStripSize(m_hTIFF)); |
3309 | 0 | if (!nBlockBufSize) |
3310 | 0 | { |
3311 | 0 | ReportError(CE_Failure, CPLE_AppDefined, |
3312 | 0 | "Bogus block size; unable to allocate a buffer."); |
3313 | 0 | return CE_Failure; |
3314 | 0 | } |
3315 | | |
3316 | | /* -------------------------------------------------------------------- */ |
3317 | | /* Allocate a temporary buffer for this strip. */ |
3318 | | /* -------------------------------------------------------------------- */ |
3319 | 0 | if (m_pabyBlockBuf == nullptr) |
3320 | 0 | { |
3321 | 0 | m_pabyBlockBuf = |
3322 | 0 | static_cast<GByte *>(VSI_CALLOC_VERBOSE(1, nBlockBufSize)); |
3323 | 0 | if (m_pabyBlockBuf == nullptr) |
3324 | 0 | { |
3325 | 0 | return CE_Failure; |
3326 | 0 | } |
3327 | 0 | } |
3328 | | |
3329 | 0 | if (m_nLoadedBlock == nBlockId) |
3330 | 0 | return CE_None; |
3331 | | |
3332 | | /* -------------------------------------------------------------------- */ |
3333 | | /* When called from ::IWriteBlock in separate cases (or in single band */ |
3334 | | /* geotiffs), the ::IWriteBlock will override the content of the buffer*/ |
3335 | | /* with pImage, so we don't need to read data from disk */ |
3336 | | /* -------------------------------------------------------------------- */ |
3337 | 0 | if (!bReadFromDisk || m_bStreamingOut) |
3338 | 0 | { |
3339 | 0 | m_nLoadedBlock = nBlockId; |
3340 | 0 | return CE_None; |
3341 | 0 | } |
3342 | | |
3343 | | // libtiff 3.X doesn't like mixing read&write of JPEG compressed blocks |
3344 | | // The below hack is necessary due to another hack that consist in |
3345 | | // writing zero block to force creation of JPEG tables. |
3346 | 0 | if (nBlockId == 0 && m_bDontReloadFirstBlock) |
3347 | 0 | { |
3348 | 0 | m_bDontReloadFirstBlock = false; |
3349 | 0 | memset(m_pabyBlockBuf, 0, nBlockBufSize); |
3350 | 0 | m_nLoadedBlock = nBlockId; |
3351 | 0 | return CE_None; |
3352 | 0 | } |
3353 | | |
3354 | | /* -------------------------------------------------------------------- */ |
3355 | | /* The bottom most partial tiles and strips are sometimes only */ |
3356 | | /* partially encoded. This code reduces the requested data so */ |
3357 | | /* an error won't be reported in this case. (#1179) */ |
3358 | | /* We exclude tiled WEBP, because as it is a new codec, whole tiles*/ |
3359 | | /* are written by libtiff. This helps avoiding creating a temporary*/ |
3360 | | /* decode buffer. */ |
3361 | | /* -------------------------------------------------------------------- */ |
3362 | 0 | auto nBlockReqSize = nBlockBufSize; |
3363 | 0 | const int nBlockYOff = (nBlockId % m_nBlocksPerBand) / m_nBlocksPerRow; |
3364 | |
|
3365 | 0 | if (nBlockYOff * m_nBlockYSize > nRasterYSize - m_nBlockYSize && |
3366 | 0 | !(m_nCompression == COMPRESSION_WEBP && TIFFIsTiled(m_hTIFF))) |
3367 | 0 | { |
3368 | 0 | nBlockReqSize = |
3369 | 0 | (nBlockBufSize / m_nBlockYSize) * |
3370 | 0 | (m_nBlockYSize - |
3371 | 0 | static_cast<int>( |
3372 | 0 | (static_cast<GIntBig>(nBlockYOff + 1) * m_nBlockYSize) % |
3373 | 0 | nRasterYSize)); |
3374 | 0 | memset(m_pabyBlockBuf, 0, nBlockBufSize); |
3375 | 0 | } |
3376 | | |
3377 | | /* -------------------------------------------------------------------- */ |
3378 | | /* If we don't have this block already loaded, and we know it */ |
3379 | | /* doesn't yet exist on disk, just zero the memory buffer and */ |
3380 | | /* pretend we loaded it. */ |
3381 | | /* -------------------------------------------------------------------- */ |
3382 | 0 | bool bErrOccurred = false; |
3383 | 0 | if (!IsBlockAvailable(nBlockId, nullptr, nullptr, &bErrOccurred)) |
3384 | 0 | { |
3385 | 0 | memset(m_pabyBlockBuf, 0, nBlockBufSize); |
3386 | 0 | m_nLoadedBlock = nBlockId; |
3387 | 0 | if (bErrOccurred) |
3388 | 0 | return CE_Failure; |
3389 | 0 | return CE_None; |
3390 | 0 | } |
3391 | | |
3392 | | /* -------------------------------------------------------------------- */ |
3393 | | /* Load the block, if it isn't our current block. */ |
3394 | | /* -------------------------------------------------------------------- */ |
3395 | 0 | CPLErr eErr = CE_None; |
3396 | |
|
3397 | 0 | if (!ReadStrile(nBlockId, m_pabyBlockBuf, nBlockReqSize)) |
3398 | 0 | { |
3399 | 0 | memset(m_pabyBlockBuf, 0, nBlockBufSize); |
3400 | 0 | eErr = CE_Failure; |
3401 | 0 | } |
3402 | |
|
3403 | 0 | if (eErr == CE_None) |
3404 | 0 | { |
3405 | 0 | if (m_nCompression == COMPRESSION_WEBP && TIFFIsTiled(m_hTIFF) && |
3406 | 0 | nBlockYOff * m_nBlockYSize > nRasterYSize - m_nBlockYSize) |
3407 | 0 | { |
3408 | 0 | const auto nValidBytes = |
3409 | 0 | (nBlockBufSize / m_nBlockYSize) * |
3410 | 0 | (m_nBlockYSize - |
3411 | 0 | static_cast<int>( |
3412 | 0 | (static_cast<GIntBig>(nBlockYOff + 1) * m_nBlockYSize) % |
3413 | 0 | nRasterYSize)); |
3414 | | // Zero-out unused area |
3415 | 0 | memset(m_pabyBlockBuf + nValidBytes, 0, |
3416 | 0 | nBlockBufSize - nValidBytes); |
3417 | 0 | } |
3418 | |
|
3419 | 0 | m_nLoadedBlock = nBlockId; |
3420 | 0 | } |
3421 | 0 | else |
3422 | 0 | { |
3423 | 0 | m_nLoadedBlock = -1; |
3424 | 0 | } |
3425 | 0 | m_bLoadedBlockDirty = false; |
3426 | |
|
3427 | 0 | return eErr; |
3428 | 0 | } |
3429 | | |
3430 | | /************************************************************************/ |
3431 | | /* Identify() */ |
3432 | | /************************************************************************/ |
3433 | | |
3434 | | int GTiffDataset::Identify(GDALOpenInfo *poOpenInfo) |
3435 | | |
3436 | 0 | { |
3437 | 0 | const char *pszFilename = poOpenInfo->pszFilename; |
3438 | 0 | if (STARTS_WITH_CI(pszFilename, "GTIFF_RAW:")) |
3439 | 0 | { |
3440 | 0 | pszFilename += strlen("GTIFF_RAW:"); |
3441 | 0 | GDALOpenInfo oOpenInfo(pszFilename, poOpenInfo->eAccess); |
3442 | 0 | return Identify(&oOpenInfo); |
3443 | 0 | } |
3444 | | |
3445 | | /* -------------------------------------------------------------------- */ |
3446 | | /* We have a special hook for handling opening a specific */ |
3447 | | /* directory of a TIFF file. */ |
3448 | | /* -------------------------------------------------------------------- */ |
3449 | 0 | if (STARTS_WITH_CI(pszFilename, "GTIFF_DIR:")) |
3450 | 0 | return TRUE; |
3451 | | |
3452 | | /* -------------------------------------------------------------------- */ |
3453 | | /* First we check to see if the file has the expected header */ |
3454 | | /* bytes. */ |
3455 | | /* -------------------------------------------------------------------- */ |
3456 | 0 | if (poOpenInfo->fpL == nullptr || poOpenInfo->nHeaderBytes < 2) |
3457 | 0 | return FALSE; |
3458 | | |
3459 | 0 | if ((poOpenInfo->pabyHeader[0] != 'I' || |
3460 | 0 | poOpenInfo->pabyHeader[1] != 'I') && |
3461 | 0 | (poOpenInfo->pabyHeader[0] != 'M' || poOpenInfo->pabyHeader[1] != 'M')) |
3462 | 0 | return FALSE; |
3463 | | |
3464 | 0 | if ((poOpenInfo->pabyHeader[2] != 0x2A || poOpenInfo->pabyHeader[3] != 0) && |
3465 | 0 | (poOpenInfo->pabyHeader[3] != 0x2A || poOpenInfo->pabyHeader[2] != 0) && |
3466 | 0 | (poOpenInfo->pabyHeader[2] != 0x2B || poOpenInfo->pabyHeader[3] != 0) && |
3467 | 0 | (poOpenInfo->pabyHeader[3] != 0x2B || poOpenInfo->pabyHeader[2] != 0)) |
3468 | 0 | return FALSE; |
3469 | | |
3470 | 0 | return TRUE; |
3471 | 0 | } |
3472 | | |
3473 | | /************************************************************************/ |
3474 | | /* GTIFFExtendMemoryFile() */ |
3475 | | /************************************************************************/ |
3476 | | |
3477 | | static bool GTIFFExtendMemoryFile(const CPLString &osTmpFilename, |
3478 | | VSILFILE *fpTemp, VSILFILE *fpL, |
3479 | | int nNewLength, GByte *&pabyBuffer, |
3480 | | vsi_l_offset &nDataLength) |
3481 | 0 | { |
3482 | 0 | if (nNewLength <= static_cast<int>(nDataLength)) |
3483 | 0 | return true; |
3484 | 0 | if (VSIFSeekL(fpTemp, nNewLength - 1, SEEK_SET) != 0) |
3485 | 0 | return false; |
3486 | 0 | char ch = 0; |
3487 | 0 | if (VSIFWriteL(&ch, 1, 1, fpTemp) != 1) |
3488 | 0 | return false; |
3489 | 0 | const int nOldDataLength = static_cast<int>(nDataLength); |
3490 | 0 | pabyBuffer = static_cast<GByte *>( |
3491 | 0 | VSIGetMemFileBuffer(osTmpFilename, &nDataLength, FALSE)); |
3492 | 0 | const int nToRead = nNewLength - nOldDataLength; |
3493 | 0 | const int nRead = static_cast<int>( |
3494 | 0 | VSIFReadL(pabyBuffer + nOldDataLength, 1, nToRead, fpL)); |
3495 | 0 | if (nRead != nToRead) |
3496 | 0 | { |
3497 | 0 | CPLError(CE_Failure, CPLE_FileIO, |
3498 | 0 | "Needed to read %d bytes. Only %d got", nToRead, nRead); |
3499 | 0 | return false; |
3500 | 0 | } |
3501 | 0 | return true; |
3502 | 0 | } |
3503 | | |
3504 | | /************************************************************************/ |
3505 | | /* GTIFFMakeBufferedStream() */ |
3506 | | /************************************************************************/ |
3507 | | |
3508 | | static bool GTIFFMakeBufferedStream(GDALOpenInfo *poOpenInfo) |
3509 | 0 | { |
3510 | 0 | const CPLString osTmpFilename( |
3511 | 0 | VSIMemGenerateHiddenFilename("GTIFFMakeBufferedStream.tif")); |
3512 | 0 | VSILFILE *fpTemp = VSIFOpenL(osTmpFilename, "wb+"); |
3513 | 0 | if (fpTemp == nullptr) |
3514 | 0 | return false; |
3515 | | // The seek is needed for /vsistdin/ that has some rewind capabilities. |
3516 | 0 | if (VSIFSeekL(poOpenInfo->fpL, poOpenInfo->nHeaderBytes, SEEK_SET) != 0) |
3517 | 0 | { |
3518 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3519 | 0 | return false; |
3520 | 0 | } |
3521 | 0 | CPLAssert(static_cast<int>(VSIFTellL(poOpenInfo->fpL)) == |
3522 | 0 | poOpenInfo->nHeaderBytes); |
3523 | 0 | if (VSIFWriteL(poOpenInfo->pabyHeader, poOpenInfo->nHeaderBytes, 1, |
3524 | 0 | fpTemp) != 1) |
3525 | 0 | { |
3526 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3527 | 0 | return false; |
3528 | 0 | } |
3529 | 0 | vsi_l_offset nDataLength = 0; |
3530 | 0 | GByte *pabyBuffer = static_cast<GByte *>( |
3531 | 0 | VSIGetMemFileBuffer(osTmpFilename, &nDataLength, FALSE)); |
3532 | 0 | const bool bLittleEndian = (pabyBuffer[0] == 'I'); |
3533 | 0 | #if CPL_IS_LSB |
3534 | 0 | const bool bSwap = !bLittleEndian; |
3535 | | #else |
3536 | | const bool bSwap = bLittleEndian; |
3537 | | #endif |
3538 | 0 | const bool bBigTIFF = pabyBuffer[2] == 43 || pabyBuffer[3] == 43; |
3539 | 0 | vsi_l_offset nMaxOffset = 0; |
3540 | 0 | if (bBigTIFF) |
3541 | 0 | { |
3542 | 0 | GUInt64 nTmp = 0; |
3543 | 0 | memcpy(&nTmp, pabyBuffer + 8, 8); |
3544 | 0 | if (bSwap) |
3545 | 0 | CPL_SWAP64PTR(&nTmp); |
3546 | 0 | if (nTmp != 16) |
3547 | 0 | { |
3548 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3549 | 0 | "IFD start should be at offset 16 for a streamed BigTIFF"); |
3550 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3551 | 0 | VSIUnlink(osTmpFilename); |
3552 | 0 | return false; |
3553 | 0 | } |
3554 | 0 | memcpy(&nTmp, pabyBuffer + 16, 8); |
3555 | 0 | if (bSwap) |
3556 | 0 | CPL_SWAP64PTR(&nTmp); |
3557 | 0 | if (nTmp > 1024) |
3558 | 0 | { |
3559 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3560 | 0 | "Too many tags : " CPL_FRMT_GIB, nTmp); |
3561 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3562 | 0 | VSIUnlink(osTmpFilename); |
3563 | 0 | return false; |
3564 | 0 | } |
3565 | 0 | const int nTags = static_cast<int>(nTmp); |
3566 | 0 | const int nSpaceForTags = nTags * 20; |
3567 | 0 | if (!GTIFFExtendMemoryFile(osTmpFilename, fpTemp, poOpenInfo->fpL, |
3568 | 0 | 24 + nSpaceForTags, pabyBuffer, nDataLength)) |
3569 | 0 | { |
3570 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3571 | 0 | VSIUnlink(osTmpFilename); |
3572 | 0 | return false; |
3573 | 0 | } |
3574 | 0 | nMaxOffset = 24 + nSpaceForTags + 8; |
3575 | 0 | for (int i = 0; i < nTags; ++i) |
3576 | 0 | { |
3577 | 0 | GUInt16 nTmp16 = 0; |
3578 | 0 | memcpy(&nTmp16, pabyBuffer + 24 + i * 20, 2); |
3579 | 0 | if (bSwap) |
3580 | 0 | CPL_SWAP16PTR(&nTmp16); |
3581 | 0 | const int nTag = nTmp16; |
3582 | 0 | memcpy(&nTmp16, pabyBuffer + 24 + i * 20 + 2, 2); |
3583 | 0 | if (bSwap) |
3584 | 0 | CPL_SWAP16PTR(&nTmp16); |
3585 | 0 | const int nDataType = nTmp16; |
3586 | 0 | memcpy(&nTmp, pabyBuffer + 24 + i * 20 + 4, 8); |
3587 | 0 | if (bSwap) |
3588 | 0 | CPL_SWAP64PTR(&nTmp); |
3589 | 0 | if (nTmp >= 16 * 1024 * 1024) |
3590 | 0 | { |
3591 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3592 | 0 | "Too many elements for tag %d : " CPL_FRMT_GUIB, nTag, |
3593 | 0 | nTmp); |
3594 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3595 | 0 | VSIUnlink(osTmpFilename); |
3596 | 0 | return false; |
3597 | 0 | } |
3598 | 0 | const GUInt32 nCount = static_cast<GUInt32>(nTmp); |
3599 | 0 | const GUInt32 nTagSize = |
3600 | 0 | TIFFDataWidth(static_cast<TIFFDataType>(nDataType)) * nCount; |
3601 | 0 | if (nTagSize > 8) |
3602 | 0 | { |
3603 | 0 | memcpy(&nTmp, pabyBuffer + 24 + i * 20 + 12, 8); |
3604 | 0 | if (bSwap) |
3605 | 0 | CPL_SWAP64PTR(&nTmp); |
3606 | 0 | if (nTmp > GUINT64_MAX - nTagSize) |
3607 | 0 | { |
3608 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3609 | 0 | "Overflow with tag %d", nTag); |
3610 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3611 | 0 | VSIUnlink(osTmpFilename); |
3612 | 0 | return false; |
3613 | 0 | } |
3614 | 0 | if (static_cast<vsi_l_offset>(nTmp + nTagSize) > nMaxOffset) |
3615 | 0 | nMaxOffset = nTmp + nTagSize; |
3616 | 0 | } |
3617 | 0 | } |
3618 | 0 | } |
3619 | 0 | else |
3620 | 0 | { |
3621 | 0 | GUInt32 nTmp = 0; |
3622 | 0 | memcpy(&nTmp, pabyBuffer + 4, 4); |
3623 | 0 | if (bSwap) |
3624 | 0 | CPL_SWAP32PTR(&nTmp); |
3625 | 0 | if (nTmp != 8) |
3626 | 0 | { |
3627 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3628 | 0 | "IFD start should be at offset 8 for a streamed TIFF"); |
3629 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3630 | 0 | VSIUnlink(osTmpFilename); |
3631 | 0 | return false; |
3632 | 0 | } |
3633 | 0 | GUInt16 nTmp16 = 0; |
3634 | 0 | memcpy(&nTmp16, pabyBuffer + 8, 2); |
3635 | 0 | if (bSwap) |
3636 | 0 | CPL_SWAP16PTR(&nTmp16); |
3637 | 0 | if (nTmp16 > 1024) |
3638 | 0 | { |
3639 | 0 | CPLError(CE_Failure, CPLE_NotSupported, "Too many tags : %d", |
3640 | 0 | nTmp16); |
3641 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3642 | 0 | VSIUnlink(osTmpFilename); |
3643 | 0 | return false; |
3644 | 0 | } |
3645 | 0 | const int nTags = nTmp16; |
3646 | 0 | const int nSpaceForTags = nTags * 12; |
3647 | 0 | if (!GTIFFExtendMemoryFile(osTmpFilename, fpTemp, poOpenInfo->fpL, |
3648 | 0 | 10 + nSpaceForTags, pabyBuffer, nDataLength)) |
3649 | 0 | { |
3650 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3651 | 0 | VSIUnlink(osTmpFilename); |
3652 | 0 | return false; |
3653 | 0 | } |
3654 | 0 | nMaxOffset = 10 + nSpaceForTags + 4; |
3655 | 0 | for (int i = 0; i < nTags; ++i) |
3656 | 0 | { |
3657 | 0 | memcpy(&nTmp16, pabyBuffer + 10 + i * 12, 2); |
3658 | 0 | if (bSwap) |
3659 | 0 | CPL_SWAP16PTR(&nTmp16); |
3660 | 0 | const int nTag = nTmp16; |
3661 | 0 | memcpy(&nTmp16, pabyBuffer + 10 + i * 12 + 2, 2); |
3662 | 0 | if (bSwap) |
3663 | 0 | CPL_SWAP16PTR(&nTmp16); |
3664 | 0 | const int nDataType = nTmp16; |
3665 | 0 | memcpy(&nTmp, pabyBuffer + 10 + i * 12 + 4, 4); |
3666 | 0 | if (bSwap) |
3667 | 0 | CPL_SWAP32PTR(&nTmp); |
3668 | 0 | if (nTmp >= 16 * 1024 * 1024) |
3669 | 0 | { |
3670 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3671 | 0 | "Too many elements for tag %d : %u", nTag, nTmp); |
3672 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3673 | 0 | VSIUnlink(osTmpFilename); |
3674 | 0 | return false; |
3675 | 0 | } |
3676 | 0 | const GUInt32 nCount = nTmp; |
3677 | 0 | const GUInt32 nTagSize = |
3678 | 0 | TIFFDataWidth(static_cast<TIFFDataType>(nDataType)) * nCount; |
3679 | 0 | if (nTagSize > 4) |
3680 | 0 | { |
3681 | 0 | memcpy(&nTmp, pabyBuffer + 10 + i * 12 + 8, 4); |
3682 | 0 | if (bSwap) |
3683 | 0 | CPL_SWAP32PTR(&nTmp); |
3684 | 0 | if (nTmp > static_cast<GUInt32>(UINT_MAX - nTagSize)) |
3685 | 0 | { |
3686 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
3687 | 0 | "Overflow with tag %d", nTag); |
3688 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3689 | 0 | VSIUnlink(osTmpFilename); |
3690 | 0 | return false; |
3691 | 0 | } |
3692 | 0 | if (nTmp + nTagSize > nMaxOffset) |
3693 | 0 | nMaxOffset = nTmp + nTagSize; |
3694 | 0 | } |
3695 | 0 | } |
3696 | 0 | } |
3697 | 0 | if (nMaxOffset > 10 * 1024 * 1024) |
3698 | 0 | { |
3699 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3700 | 0 | VSIUnlink(osTmpFilename); |
3701 | 0 | return false; |
3702 | 0 | } |
3703 | 0 | if (!GTIFFExtendMemoryFile(osTmpFilename, fpTemp, poOpenInfo->fpL, |
3704 | 0 | static_cast<int>(nMaxOffset), pabyBuffer, |
3705 | 0 | nDataLength)) |
3706 | 0 | { |
3707 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(fpTemp)); |
3708 | 0 | VSIUnlink(osTmpFilename); |
3709 | 0 | return false; |
3710 | 0 | } |
3711 | 0 | CPLAssert(nDataLength == VSIFTellL(poOpenInfo->fpL)); |
3712 | 0 | poOpenInfo->fpL = VSICreateBufferedReaderHandle( |
3713 | 0 | poOpenInfo->fpL, pabyBuffer, static_cast<vsi_l_offset>(INT_MAX) << 32); |
3714 | 0 | if (VSIFCloseL(fpTemp) != 0) |
3715 | 0 | return false; |
3716 | 0 | VSIUnlink(osTmpFilename); |
3717 | |
|
3718 | 0 | return true; |
3719 | 0 | } |
3720 | | |
3721 | | /************************************************************************/ |
3722 | | /* AssociateExternalMask() */ |
3723 | | /************************************************************************/ |
3724 | | |
3725 | | // Used by GTIFFBuildOverviewsEx() for the COG driver |
3726 | | bool GTiffDataset::AssociateExternalMask() |
3727 | 0 | { |
3728 | 0 | if (m_poMaskExtOvrDS->GetRasterBand(1)->GetOverviewCount() != |
3729 | 0 | GetRasterBand(1)->GetOverviewCount()) |
3730 | 0 | return false; |
3731 | 0 | if (m_papoOverviewDS == nullptr) |
3732 | 0 | return false; |
3733 | 0 | if (m_poMaskDS) |
3734 | 0 | return false; |
3735 | 0 | if (m_poMaskExtOvrDS->GetRasterXSize() != nRasterXSize || |
3736 | 0 | m_poMaskExtOvrDS->GetRasterYSize() != nRasterYSize) |
3737 | 0 | return false; |
3738 | 0 | m_poExternalMaskDS = m_poMaskExtOvrDS.get(); |
3739 | 0 | for (int i = 0; i < m_nOverviewCount; i++) |
3740 | 0 | { |
3741 | 0 | if (m_papoOverviewDS[i]->m_poMaskDS) |
3742 | 0 | return false; |
3743 | 0 | m_papoOverviewDS[i]->m_poExternalMaskDS = |
3744 | 0 | m_poMaskExtOvrDS->GetRasterBand(1)->GetOverview(i)->GetDataset(); |
3745 | 0 | if (!m_papoOverviewDS[i]->m_poExternalMaskDS) |
3746 | 0 | return false; |
3747 | 0 | auto poOvrBand = m_papoOverviewDS[i]->GetRasterBand(1); |
3748 | 0 | if (m_papoOverviewDS[i]->m_poExternalMaskDS->GetRasterXSize() != |
3749 | 0 | poOvrBand->GetXSize() || |
3750 | 0 | m_papoOverviewDS[i]->m_poExternalMaskDS->GetRasterYSize() != |
3751 | 0 | poOvrBand->GetYSize()) |
3752 | 0 | return false; |
3753 | 0 | } |
3754 | 0 | return true; |
3755 | 0 | } |
3756 | | |
3757 | | /************************************************************************/ |
3758 | | /* Open() */ |
3759 | | /************************************************************************/ |
3760 | | |
3761 | | GDALDataset *GTiffDataset::Open(GDALOpenInfo *poOpenInfo) |
3762 | | |
3763 | 0 | { |
3764 | 0 | const char *pszFilename = poOpenInfo->pszFilename; |
3765 | | |
3766 | | /* -------------------------------------------------------------------- */ |
3767 | | /* Check if it looks like a TIFF file. */ |
3768 | | /* -------------------------------------------------------------------- */ |
3769 | 0 | if (!Identify(poOpenInfo)) |
3770 | 0 | return nullptr; |
3771 | | |
3772 | 0 | bool bAllowRGBAInterface = true; |
3773 | 0 | if (STARTS_WITH_CI(pszFilename, "GTIFF_RAW:")) |
3774 | 0 | { |
3775 | 0 | bAllowRGBAInterface = false; |
3776 | 0 | pszFilename += strlen("GTIFF_RAW:"); |
3777 | 0 | } |
3778 | | |
3779 | | /* -------------------------------------------------------------------- */ |
3780 | | /* We have a special hook for handling opening a specific */ |
3781 | | /* directory of a TIFF file. */ |
3782 | | /* -------------------------------------------------------------------- */ |
3783 | 0 | if (STARTS_WITH_CI(pszFilename, "GTIFF_DIR:")) |
3784 | 0 | return OpenDir(poOpenInfo); |
3785 | | |
3786 | 0 | GTiffOneTimeInit(); |
3787 | | |
3788 | | /* -------------------------------------------------------------------- */ |
3789 | | /* Try opening the dataset. */ |
3790 | | /* -------------------------------------------------------------------- */ |
3791 | 0 | bool bStreaming = false; |
3792 | 0 | const char *pszReadStreaming = |
3793 | 0 | CPLGetConfigOption("TIFF_READ_STREAMING", nullptr); |
3794 | 0 | if (poOpenInfo->fpL == nullptr) |
3795 | 0 | { |
3796 | 0 | poOpenInfo->fpL = VSIFOpenL( |
3797 | 0 | pszFilename, poOpenInfo->eAccess == GA_ReadOnly ? "rb" : "r+b"); |
3798 | 0 | if (poOpenInfo->fpL == nullptr) |
3799 | 0 | return nullptr; |
3800 | 0 | } |
3801 | 0 | else if (!(pszReadStreaming && !CPLTestBool(pszReadStreaming)) && |
3802 | 0 | poOpenInfo->nHeaderBytes >= 24 && |
3803 | | // A pipe has no seeking capability, so its position is 0 despite |
3804 | | // having read bytes. |
3805 | 0 | (static_cast<int>(VSIFTellL(poOpenInfo->fpL)) == |
3806 | 0 | poOpenInfo->nHeaderBytes || |
3807 | 0 | strcmp(pszFilename, "/vsistdin/") == 0 || |
3808 | | // STARTS_WITH(pszFilename, "/vsicurl_streaming/") || |
3809 | 0 | (pszReadStreaming && CPLTestBool(pszReadStreaming)))) |
3810 | 0 | { |
3811 | 0 | bStreaming = true; |
3812 | 0 | if (!GTIFFMakeBufferedStream(poOpenInfo)) |
3813 | 0 | return nullptr; |
3814 | 0 | } |
3815 | | |
3816 | | // Store errors/warnings and emit them later. |
3817 | 0 | TIFF *l_hTIFF; |
3818 | 0 | CPLErrorAccumulator oErrorAccumulator; |
3819 | 0 | { |
3820 | 0 | auto oAccumulator = oErrorAccumulator.InstallForCurrentScope(); |
3821 | 0 | CPL_IGNORE_RET_VAL(oAccumulator); |
3822 | 0 | CPLSetCurrentErrorHandlerCatchDebug(FALSE); |
3823 | 0 | const bool bDeferStrileLoading = CPLTestBool( |
3824 | 0 | CPLGetConfigOption("GTIFF_USE_DEFER_STRILE_LOADING", "YES")); |
3825 | 0 | l_hTIFF = VSI_TIFFOpen( |
3826 | 0 | pszFilename, |
3827 | 0 | poOpenInfo->eAccess == GA_ReadOnly |
3828 | 0 | ? ((bStreaming || !bDeferStrileLoading) ? "rC" : "rDOC") |
3829 | 0 | : (!bDeferStrileLoading ? "r+C" : "r+DC"), |
3830 | 0 | poOpenInfo->fpL); |
3831 | 0 | }; |
3832 | | |
3833 | | // Now emit errors and change their criticality if needed |
3834 | | // We only emit failures if we didn't manage to open the file. |
3835 | | // Otherwise it makes Python bindings unhappy (#5616). |
3836 | 0 | for (const auto &oError : oErrorAccumulator.GetErrors()) |
3837 | 0 | { |
3838 | 0 | ReportError(pszFilename, |
3839 | 0 | (l_hTIFF == nullptr && oError.type == CE_Failure) |
3840 | 0 | ? CE_Failure |
3841 | 0 | : CE_Warning, |
3842 | 0 | oError.no, "%s", oError.msg.c_str()); |
3843 | 0 | } |
3844 | |
|
3845 | 0 | if (l_hTIFF == nullptr) |
3846 | 0 | return nullptr; |
3847 | | |
3848 | 0 | uint32_t nXSize = 0; |
3849 | 0 | TIFFGetField(l_hTIFF, TIFFTAG_IMAGEWIDTH, &nXSize); |
3850 | 0 | uint32_t nYSize = 0; |
3851 | 0 | TIFFGetField(l_hTIFF, TIFFTAG_IMAGELENGTH, &nYSize); |
3852 | |
|
3853 | 0 | if (nXSize > INT_MAX || nYSize > INT_MAX) |
3854 | 0 | { |
3855 | | // GDAL only supports signed 32bit dimensions. |
3856 | 0 | ReportError(pszFilename, CE_Failure, CPLE_NotSupported, |
3857 | 0 | "Too large image size: %u x %u", nXSize, nYSize); |
3858 | 0 | XTIFFClose(l_hTIFF); |
3859 | 0 | return nullptr; |
3860 | 0 | } |
3861 | | |
3862 | 0 | uint16_t l_nCompression = 0; |
3863 | 0 | if (!TIFFGetField(l_hTIFF, TIFFTAG_COMPRESSION, &(l_nCompression))) |
3864 | 0 | l_nCompression = COMPRESSION_NONE; |
3865 | | |
3866 | | /* -------------------------------------------------------------------- */ |
3867 | | /* Create a corresponding GDALDataset. */ |
3868 | | /* -------------------------------------------------------------------- */ |
3869 | 0 | GTiffDataset *poDS = new GTiffDataset(); |
3870 | 0 | poDS->SetDescription(pszFilename); |
3871 | 0 | poDS->m_pszFilename = CPLStrdup(pszFilename); |
3872 | 0 | poDS->m_fpL = poOpenInfo->fpL; |
3873 | 0 | poOpenInfo->fpL = nullptr; |
3874 | 0 | poDS->m_bStreamingIn = bStreaming; |
3875 | 0 | poDS->m_nCompression = l_nCompression; |
3876 | | |
3877 | | // Check structural metadata (for COG) |
3878 | 0 | const int nOffsetOfStructuralMetadata = |
3879 | 0 | poOpenInfo->nHeaderBytes && ((poOpenInfo->pabyHeader[2] == 0x2B || |
3880 | 0 | poOpenInfo->pabyHeader[3] == 0x2B)) |
3881 | 0 | ? 16 |
3882 | 0 | : 8; |
3883 | 0 | if (poOpenInfo->nHeaderBytes > |
3884 | 0 | nOffsetOfStructuralMetadata + |
3885 | 0 | static_cast<int>(strlen("GDAL_STRUCTURAL_METADATA_SIZE=")) && |
3886 | 0 | memcmp(poOpenInfo->pabyHeader + nOffsetOfStructuralMetadata, |
3887 | 0 | "GDAL_STRUCTURAL_METADATA_SIZE=", |
3888 | 0 | strlen("GDAL_STRUCTURAL_METADATA_SIZE=")) == 0) |
3889 | 0 | { |
3890 | 0 | const char *pszStructuralMD = reinterpret_cast<const char *>( |
3891 | 0 | poOpenInfo->pabyHeader + nOffsetOfStructuralMetadata); |
3892 | 0 | poDS->m_bLayoutIFDSBeforeData = |
3893 | 0 | strstr(pszStructuralMD, "LAYOUT=IFDS_BEFORE_DATA") != nullptr; |
3894 | 0 | poDS->m_bBlockOrderRowMajor = |
3895 | 0 | strstr(pszStructuralMD, "BLOCK_ORDER=ROW_MAJOR") != nullptr; |
3896 | 0 | poDS->m_bLeaderSizeAsUInt4 = |
3897 | 0 | strstr(pszStructuralMD, "BLOCK_LEADER=SIZE_AS_UINT4") != nullptr && |
3898 | 0 | (strstr(pszStructuralMD, "INTERLEAVE=") == nullptr || |
3899 | 0 | strstr(pszStructuralMD, "INTERLEAVE=BAND") != nullptr || |
3900 | 0 | strstr(pszStructuralMD, "INTERLEAVE=TILE") != nullptr); |
3901 | 0 | poDS->m_bTrailerRepeatedLast4BytesRepeated = |
3902 | 0 | strstr(pszStructuralMD, "BLOCK_TRAILER=LAST_4_BYTES_REPEATED") != |
3903 | 0 | nullptr && |
3904 | 0 | (strstr(pszStructuralMD, "INTERLEAVE=") == nullptr || |
3905 | 0 | strstr(pszStructuralMD, "INTERLEAVE=BAND") != nullptr || |
3906 | 0 | strstr(pszStructuralMD, "INTERLEAVE=TILE") != nullptr); |
3907 | 0 | poDS->m_bMaskInterleavedWithImagery = |
3908 | 0 | strstr(pszStructuralMD, "MASK_INTERLEAVED_WITH_IMAGERY=YES") != |
3909 | 0 | nullptr && |
3910 | 0 | strstr(pszStructuralMD, "INTERLEAVE=") == nullptr; |
3911 | 0 | poDS->m_bKnownIncompatibleEdition = |
3912 | 0 | strstr(pszStructuralMD, "KNOWN_INCOMPATIBLE_EDITION=YES") != |
3913 | 0 | nullptr; |
3914 | 0 | if (poDS->m_bKnownIncompatibleEdition) |
3915 | 0 | { |
3916 | 0 | poDS->ReportError( |
3917 | 0 | CE_Warning, CPLE_AppDefined, |
3918 | 0 | "This file used to have optimizations in its layout, " |
3919 | 0 | "but those have been, at least partly, invalidated by " |
3920 | 0 | "later changes"); |
3921 | 0 | } |
3922 | 0 | else if (poDS->m_bLayoutIFDSBeforeData && poDS->m_bBlockOrderRowMajor && |
3923 | 0 | poDS->m_bLeaderSizeAsUInt4 && |
3924 | 0 | poDS->m_bTrailerRepeatedLast4BytesRepeated) |
3925 | 0 | { |
3926 | 0 | if (poOpenInfo->eAccess == GA_Update && |
3927 | 0 | !CPLTestBool(CSLFetchNameValueDef(poOpenInfo->papszOpenOptions, |
3928 | 0 | "IGNORE_COG_LAYOUT_BREAK", |
3929 | 0 | "FALSE"))) |
3930 | 0 | { |
3931 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
3932 | 0 | "File %s has C(loud) O(ptimized) G(eoTIFF) layout. " |
3933 | 0 | "Updating it will generally result in losing part of " |
3934 | 0 | "the optimizations (but will still produce a valid " |
3935 | 0 | "GeoTIFF file). If this is acceptable, open the file " |
3936 | 0 | "with the IGNORE_COG_LAYOUT_BREAK open option set " |
3937 | 0 | "to YES.", |
3938 | 0 | pszFilename); |
3939 | 0 | XTIFFClose(l_hTIFF); |
3940 | 0 | delete poDS; |
3941 | 0 | return nullptr; |
3942 | 0 | } |
3943 | 0 | poDS->m_oGTiffMDMD.SetMetadataItem("LAYOUT", "COG", |
3944 | 0 | "IMAGE_STRUCTURE"); |
3945 | 0 | } |
3946 | 0 | } |
3947 | | |
3948 | | // In the case of GDAL_DISABLE_READDIR_ON_OPEN = NO / EMPTY_DIR |
3949 | 0 | if (poOpenInfo->AreSiblingFilesLoaded() && |
3950 | 0 | CSLCount(poOpenInfo->GetSiblingFiles()) <= 1) |
3951 | 0 | { |
3952 | 0 | poDS->oOvManager.TransferSiblingFiles( |
3953 | 0 | CSLDuplicate(poOpenInfo->GetSiblingFiles())); |
3954 | 0 | poDS->m_bHasGotSiblingFiles = true; |
3955 | 0 | } |
3956 | | |
3957 | | // Should be capped by 257, to avoid 65535 / m_nColorTableMultiplier to overflow 255 |
3958 | 0 | poDS->m_nColorTableMultiplier = std::max( |
3959 | 0 | 0, std::min(257, |
3960 | 0 | atoi(CSLFetchNameValueDef(poOpenInfo->papszOpenOptions, |
3961 | 0 | "COLOR_TABLE_MULTIPLIER", "0")))); |
3962 | |
|
3963 | 0 | if (poDS->OpenOffset(l_hTIFF, TIFFCurrentDirOffset(l_hTIFF), |
3964 | 0 | poOpenInfo->eAccess, bAllowRGBAInterface, |
3965 | 0 | true) != CE_None) |
3966 | 0 | { |
3967 | 0 | delete poDS; |
3968 | 0 | return nullptr; |
3969 | 0 | } |
3970 | | |
3971 | | // Do we want blocks that are set to zero and that haven't yet being |
3972 | | // allocated as tile/strip to remain implicit? |
3973 | 0 | if (CPLFetchBool(poOpenInfo->papszOpenOptions, "SPARSE_OK", false)) |
3974 | 0 | poDS->m_bWriteEmptyTiles = false; |
3975 | |
|
3976 | 0 | poDS->InitCreationOrOpenOptions(poOpenInfo->eAccess == GA_Update, |
3977 | 0 | poOpenInfo->papszOpenOptions); |
3978 | |
|
3979 | 0 | poDS->m_bLoadPam = true; |
3980 | 0 | poDS->m_bColorProfileMetadataChanged = false; |
3981 | 0 | poDS->m_bMetadataChanged = false; |
3982 | 0 | poDS->m_bGeoTIFFInfoChanged = false; |
3983 | 0 | poDS->m_bNoDataChanged = false; |
3984 | 0 | poDS->m_bForceUnsetGTOrGCPs = false; |
3985 | 0 | poDS->m_bForceUnsetProjection = false; |
3986 | | |
3987 | | // Used by GTIFFBuildOverviewsEx() for the COG driver |
3988 | 0 | const char *pszMaskOverviewDS = CSLFetchNameValue( |
3989 | 0 | poOpenInfo->papszOpenOptions, "MASK_OVERVIEW_DATASET"); |
3990 | 0 | if (pszMaskOverviewDS) |
3991 | 0 | { |
3992 | 0 | poDS->m_poMaskExtOvrDS.reset(GDALDataset::Open( |
3993 | 0 | pszMaskOverviewDS, GDAL_OF_RASTER | GDAL_OF_INTERNAL)); |
3994 | 0 | if (!poDS->m_poMaskExtOvrDS || !poDS->AssociateExternalMask()) |
3995 | 0 | { |
3996 | 0 | CPLDebug("GTiff", |
3997 | 0 | "Association with external mask overview file failed"); |
3998 | 0 | } |
3999 | 0 | } |
4000 | | |
4001 | | /* -------------------------------------------------------------------- */ |
4002 | | /* Initialize info for external overviews. */ |
4003 | | /* -------------------------------------------------------------------- */ |
4004 | 0 | poDS->oOvManager.Initialize(poDS, poOpenInfo, pszFilename); |
4005 | | |
4006 | | // For backward compatibility, in case GTIFF_POINT_GEO_IGNORE is defined |
4007 | | // load georeferencing right now so as to not require it to be defined |
4008 | | // at the GetGeoTransform() time. |
4009 | 0 | if (CPLGetConfigOption("GTIFF_POINT_GEO_IGNORE", nullptr) != nullptr) |
4010 | 0 | { |
4011 | 0 | poDS->LoadGeoreferencingAndPamIfNeeded(); |
4012 | 0 | } |
4013 | |
|
4014 | 0 | return poDS; |
4015 | 0 | } |
4016 | | |
4017 | | /************************************************************************/ |
4018 | | /* GTiffDatasetSetAreaOrPointMD() */ |
4019 | | /************************************************************************/ |
4020 | | |
4021 | | static void GTiffDatasetSetAreaOrPointMD(GTIF *hGTIF, |
4022 | | GDALMultiDomainMetadata &m_oGTiffMDMD) |
4023 | 0 | { |
4024 | | // Is this a pixel-is-point dataset? |
4025 | 0 | unsigned short nRasterType = 0; |
4026 | |
|
4027 | 0 | if (GDALGTIFKeyGetSHORT(hGTIF, GTRasterTypeGeoKey, &nRasterType, 0, 1) == 1) |
4028 | 0 | { |
4029 | 0 | if (nRasterType == static_cast<short>(RasterPixelIsPoint)) |
4030 | 0 | m_oGTiffMDMD.SetMetadataItem(GDALMD_AREA_OR_POINT, |
4031 | 0 | GDALMD_AOP_POINT); |
4032 | 0 | else |
4033 | 0 | m_oGTiffMDMD.SetMetadataItem(GDALMD_AREA_OR_POINT, GDALMD_AOP_AREA); |
4034 | 0 | } |
4035 | 0 | } |
4036 | | |
4037 | | /************************************************************************/ |
4038 | | /* LoadMDAreaOrPoint() */ |
4039 | | /************************************************************************/ |
4040 | | |
4041 | | // This is a light version of LookForProjection(), which saves the |
4042 | | // potential costly cost of GTIFGetOGISDefn(), since we just need to |
4043 | | // access to a raw GeoTIFF key, and not build the full projection object. |
4044 | | |
4045 | | void GTiffDataset::LoadMDAreaOrPoint() |
4046 | 0 | { |
4047 | 0 | if (m_bLookedForProjection || m_bLookedForMDAreaOrPoint || |
4048 | 0 | m_oGTiffMDMD.GetMetadataItem(GDALMD_AREA_OR_POINT) != nullptr) |
4049 | 0 | return; |
4050 | | |
4051 | 0 | m_bLookedForMDAreaOrPoint = true; |
4052 | |
|
4053 | 0 | GTIF *hGTIF = GTiffDataset::GTIFNew(m_hTIFF); |
4054 | |
|
4055 | 0 | if (!hGTIF) |
4056 | 0 | { |
4057 | 0 | ReportError(CE_Warning, CPLE_AppDefined, |
4058 | 0 | "GeoTIFF tags apparently corrupt, they are being ignored."); |
4059 | 0 | } |
4060 | 0 | else |
4061 | 0 | { |
4062 | 0 | GTiffDatasetSetAreaOrPointMD(hGTIF, m_oGTiffMDMD); |
4063 | |
|
4064 | 0 | GTIFFree(hGTIF); |
4065 | 0 | } |
4066 | 0 | } |
4067 | | |
4068 | | /************************************************************************/ |
4069 | | /* LookForProjection() */ |
4070 | | /************************************************************************/ |
4071 | | |
4072 | | void GTiffDataset::LookForProjection() |
4073 | | |
4074 | 0 | { |
4075 | 0 | if (m_bLookedForProjection) |
4076 | 0 | return; |
4077 | | |
4078 | 0 | m_bLookedForProjection = true; |
4079 | |
|
4080 | 0 | IdentifyAuthorizedGeoreferencingSources(); |
4081 | |
|
4082 | 0 | m_oSRS.Clear(); |
4083 | |
|
4084 | 0 | std::set<signed char> aoSetPriorities; |
4085 | 0 | if (m_nINTERNALGeorefSrcIndex >= 0) |
4086 | 0 | aoSetPriorities.insert(m_nINTERNALGeorefSrcIndex); |
4087 | 0 | if (m_nXMLGeorefSrcIndex >= 0) |
4088 | 0 | aoSetPriorities.insert(m_nXMLGeorefSrcIndex); |
4089 | 0 | for (const auto nIndex : aoSetPriorities) |
4090 | 0 | { |
4091 | 0 | if (m_nINTERNALGeorefSrcIndex == nIndex) |
4092 | 0 | { |
4093 | 0 | LookForProjectionFromGeoTIFF(); |
4094 | 0 | } |
4095 | 0 | else if (m_nXMLGeorefSrcIndex == nIndex) |
4096 | 0 | { |
4097 | 0 | LookForProjectionFromXML(); |
4098 | 0 | } |
4099 | 0 | } |
4100 | 0 | } |
4101 | | |
4102 | | /************************************************************************/ |
4103 | | /* LookForProjectionFromGeoTIFF() */ |
4104 | | /************************************************************************/ |
4105 | | |
4106 | | void GTiffDataset::LookForProjectionFromGeoTIFF() |
4107 | 0 | { |
4108 | | /* -------------------------------------------------------------------- */ |
4109 | | /* Capture the GeoTIFF projection, if available. */ |
4110 | | /* -------------------------------------------------------------------- */ |
4111 | |
|
4112 | 0 | GTIF *hGTIF = GTiffDataset::GTIFNew(m_hTIFF); |
4113 | |
|
4114 | 0 | if (!hGTIF) |
4115 | 0 | { |
4116 | 0 | ReportError(CE_Warning, CPLE_AppDefined, |
4117 | 0 | "GeoTIFF tags apparently corrupt, they are being ignored."); |
4118 | 0 | } |
4119 | 0 | else |
4120 | 0 | { |
4121 | 0 | GTIFDefn *psGTIFDefn = GTIFAllocDefn(); |
4122 | |
|
4123 | 0 | bool bHasErrorBefore = CPLGetLastErrorType() != 0; |
4124 | | // Collect (PROJ) error messages and remit them later as warnings |
4125 | 0 | int ret; |
4126 | 0 | CPLErrorAccumulator oErrorAccumulator; |
4127 | 0 | { |
4128 | 0 | auto oAccumulator = oErrorAccumulator.InstallForCurrentScope(); |
4129 | 0 | ret = GTIFGetDefn(hGTIF, psGTIFDefn); |
4130 | 0 | } |
4131 | |
|
4132 | 0 | bool bWarnAboutEllipsoid = true; |
4133 | |
|
4134 | 0 | if (ret) |
4135 | 0 | { |
4136 | 0 | auto oAccumulator = oErrorAccumulator.InstallForCurrentScope(); |
4137 | |
|
4138 | 0 | if (psGTIFDefn->Ellipsoid == 4326 && |
4139 | 0 | psGTIFDefn->SemiMajor == 6378137 && |
4140 | 0 | psGTIFDefn->SemiMinor == 6356752.314245) |
4141 | 0 | { |
4142 | | // Buggy Sentinel1 geotiff files use a wrong 4326 code for the |
4143 | | // ellipsoid instead of 7030. |
4144 | 0 | psGTIFDefn->Ellipsoid = 7030; |
4145 | 0 | bWarnAboutEllipsoid = false; |
4146 | 0 | } |
4147 | |
|
4148 | 0 | OGRSpatialReferenceH hSRS = GTIFGetOGISDefnAsOSR(hGTIF, psGTIFDefn); |
4149 | |
|
4150 | 0 | if (hSRS) |
4151 | 0 | { |
4152 | 0 | CPLFree(m_pszXMLFilename); |
4153 | 0 | m_pszXMLFilename = nullptr; |
4154 | |
|
4155 | 0 | m_oSRS = *(OGRSpatialReference::FromHandle(hSRS)); |
4156 | 0 | OSRDestroySpatialReference(hSRS); |
4157 | 0 | } |
4158 | 0 | } |
4159 | |
|
4160 | 0 | std::set<std::string> oSetErrorMsg; |
4161 | 0 | for (const auto &oError : oErrorAccumulator.GetErrors()) |
4162 | 0 | { |
4163 | 0 | if (!bWarnAboutEllipsoid && |
4164 | 0 | oError.msg.find("ellipsoid not found") != std::string::npos) |
4165 | 0 | { |
4166 | 0 | continue; |
4167 | 0 | } |
4168 | | |
4169 | | // Some error messages might be duplicated in GTIFGetDefn() |
4170 | | // and GTIFGetOGISDefnAsOSR(). Emit them just once. |
4171 | 0 | if (oSetErrorMsg.find(oError.msg) == oSetErrorMsg.end()) |
4172 | 0 | { |
4173 | 0 | oSetErrorMsg.insert(oError.msg); |
4174 | 0 | CPLError(oError.type == CE_Failure ? CE_Warning : oError.type, |
4175 | 0 | oError.no, "%s", oError.msg.c_str()); |
4176 | 0 | } |
4177 | 0 | } |
4178 | |
|
4179 | 0 | if (!bHasErrorBefore && oSetErrorMsg.empty()) |
4180 | 0 | { |
4181 | 0 | CPLErrorReset(); |
4182 | 0 | } |
4183 | |
|
4184 | 0 | if (ret && m_oSRS.IsCompound()) |
4185 | 0 | { |
4186 | 0 | const char *pszVertUnit = nullptr; |
4187 | 0 | m_oSRS.GetTargetLinearUnits("COMPD_CS|VERT_CS", &pszVertUnit); |
4188 | 0 | if (pszVertUnit && !EQUAL(pszVertUnit, "unknown")) |
4189 | 0 | { |
4190 | 0 | CPLFree(m_pszVertUnit); |
4191 | 0 | m_pszVertUnit = CPLStrdup(pszVertUnit); |
4192 | 0 | } |
4193 | |
|
4194 | 0 | int versions[3]; |
4195 | 0 | GTIFDirectoryInfo(hGTIF, versions, nullptr); |
4196 | | |
4197 | | // If GeoTIFF 1.0, strip vertical by default |
4198 | 0 | const char *pszDefaultReportCompdCS = |
4199 | 0 | (versions[0] == 1 && versions[1] == 1 && versions[2] == 0) |
4200 | 0 | ? "NO" |
4201 | 0 | : "YES"; |
4202 | | |
4203 | | // Should we simplify away vertical CS stuff? |
4204 | 0 | if (!CPLTestBool(CPLGetConfigOption("GTIFF_REPORT_COMPD_CS", |
4205 | 0 | pszDefaultReportCompdCS))) |
4206 | 0 | { |
4207 | 0 | CPLDebug("GTiff", "Got COMPD_CS, but stripping it."); |
4208 | |
|
4209 | 0 | m_oSRS.StripVertical(); |
4210 | 0 | } |
4211 | 0 | } |
4212 | |
|
4213 | 0 | GTIFFreeDefn(psGTIFDefn); |
4214 | |
|
4215 | 0 | GTiffDatasetSetAreaOrPointMD(hGTIF, m_oGTiffMDMD); |
4216 | |
|
4217 | 0 | GTIFFree(hGTIF); |
4218 | 0 | } |
4219 | 0 | } |
4220 | | |
4221 | | /************************************************************************/ |
4222 | | /* LookForProjectionFromXML() */ |
4223 | | /************************************************************************/ |
4224 | | |
4225 | | void GTiffDataset::LookForProjectionFromXML() |
4226 | 0 | { |
4227 | 0 | CSLConstList papszSiblingFiles = GetSiblingFiles(); |
4228 | |
|
4229 | 0 | if (!GDALCanFileAcceptSidecarFile(m_pszFilename)) |
4230 | 0 | return; |
4231 | | |
4232 | 0 | const std::string osXMLFilenameLowerCase = |
4233 | 0 | CPLResetExtensionSafe(m_pszFilename, "xml"); |
4234 | |
|
4235 | 0 | CPLString osXMLFilename; |
4236 | 0 | if (papszSiblingFiles && |
4237 | 0 | GDALCanReliablyUseSiblingFileList(osXMLFilenameLowerCase.c_str())) |
4238 | 0 | { |
4239 | 0 | const int iSibling = CSLFindString( |
4240 | 0 | papszSiblingFiles, CPLGetFilename(osXMLFilenameLowerCase.c_str())); |
4241 | 0 | if (iSibling >= 0) |
4242 | 0 | { |
4243 | 0 | osXMLFilename = m_pszFilename; |
4244 | 0 | osXMLFilename.resize(strlen(m_pszFilename) - |
4245 | 0 | strlen(CPLGetFilename(m_pszFilename))); |
4246 | 0 | osXMLFilename += papszSiblingFiles[iSibling]; |
4247 | 0 | } |
4248 | 0 | else |
4249 | 0 | { |
4250 | 0 | return; |
4251 | 0 | } |
4252 | 0 | } |
4253 | | |
4254 | 0 | if (osXMLFilename.empty()) |
4255 | 0 | { |
4256 | 0 | VSIStatBufL sStatBuf; |
4257 | 0 | bool bGotXML = VSIStatExL(osXMLFilenameLowerCase.c_str(), &sStatBuf, |
4258 | 0 | VSI_STAT_EXISTS_FLAG) == 0; |
4259 | |
|
4260 | 0 | if (bGotXML) |
4261 | 0 | { |
4262 | 0 | osXMLFilename = osXMLFilenameLowerCase; |
4263 | 0 | } |
4264 | 0 | else if (VSIIsCaseSensitiveFS(osXMLFilenameLowerCase.c_str())) |
4265 | 0 | { |
4266 | 0 | const std::string osXMLFilenameUpperCase = |
4267 | 0 | CPLResetExtensionSafe(m_pszFilename, "XML"); |
4268 | 0 | bGotXML = VSIStatExL(osXMLFilenameUpperCase.c_str(), &sStatBuf, |
4269 | 0 | VSI_STAT_EXISTS_FLAG) == 0; |
4270 | 0 | if (bGotXML) |
4271 | 0 | { |
4272 | 0 | osXMLFilename = osXMLFilenameUpperCase; |
4273 | 0 | } |
4274 | 0 | } |
4275 | |
|
4276 | 0 | if (osXMLFilename.empty()) |
4277 | 0 | { |
4278 | 0 | return; |
4279 | 0 | } |
4280 | 0 | } |
4281 | | |
4282 | 0 | GByte *pabyRet = nullptr; |
4283 | 0 | vsi_l_offset nSize = 0; |
4284 | 0 | constexpr int nMaxSize = 10 * 1024 * 1024; |
4285 | 0 | if (!VSIIngestFile(nullptr, osXMLFilename.c_str(), &pabyRet, &nSize, |
4286 | 0 | nMaxSize)) |
4287 | 0 | return; |
4288 | 0 | CPLXMLTreeCloser oXML( |
4289 | 0 | CPLParseXMLString(reinterpret_cast<const char *>(pabyRet))); |
4290 | 0 | VSIFree(pabyRet); |
4291 | 0 | if (!oXML.get()) |
4292 | 0 | return; |
4293 | 0 | const char *pszCode = CPLGetXMLValue( |
4294 | 0 | oXML.get(), "=metadata.refSysInfo.RefSystem.refSysID.identCode.code", |
4295 | 0 | "0"); |
4296 | 0 | const int nCode = atoi(pszCode); |
4297 | 0 | if (nCode <= 0) |
4298 | 0 | return; |
4299 | 0 | if (nCode <= 32767) |
4300 | 0 | m_oSRS.importFromEPSG(nCode); |
4301 | 0 | else |
4302 | 0 | m_oSRS.SetFromUserInput(CPLSPrintf("ESRI:%d", nCode)); |
4303 | |
|
4304 | 0 | CPLFree(m_pszXMLFilename); |
4305 | 0 | m_pszXMLFilename = CPLStrdup(osXMLFilename.c_str()); |
4306 | 0 | } |
4307 | | |
4308 | | /************************************************************************/ |
4309 | | /* ApplyPamInfo() */ |
4310 | | /* */ |
4311 | | /* PAM Information, if available, overrides the GeoTIFF */ |
4312 | | /* geotransform and projection definition. Check for them */ |
4313 | | /* now. */ |
4314 | | /************************************************************************/ |
4315 | | |
4316 | | void GTiffDataset::ApplyPamInfo() |
4317 | | |
4318 | 0 | { |
4319 | 0 | bool bGotGTFromPAM = false; |
4320 | |
|
4321 | 0 | if (m_nPAMGeorefSrcIndex >= 0 && |
4322 | 0 | ((m_bGeoTransformValid && |
4323 | 0 | m_nPAMGeorefSrcIndex < m_nGeoTransformGeorefSrcIndex) || |
4324 | 0 | m_nGeoTransformGeorefSrcIndex < 0 || !m_bGeoTransformValid)) |
4325 | 0 | { |
4326 | 0 | double adfPamGeoTransform[6] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0}; |
4327 | 0 | if (GDALPamDataset::GetGeoTransform(adfPamGeoTransform) == CE_None) |
4328 | 0 | { |
4329 | 0 | if (m_nGeoTransformGeorefSrcIndex == m_nWORLDFILEGeorefSrcIndex) |
4330 | 0 | { |
4331 | 0 | CPLFree(m_pszGeorefFilename); |
4332 | 0 | m_pszGeorefFilename = nullptr; |
4333 | 0 | } |
4334 | 0 | memcpy(m_adfGeoTransform, adfPamGeoTransform, sizeof(double) * 6); |
4335 | 0 | m_bGeoTransformValid = true; |
4336 | 0 | bGotGTFromPAM = true; |
4337 | 0 | } |
4338 | 0 | } |
4339 | |
|
4340 | 0 | if (m_nPAMGeorefSrcIndex >= 0) |
4341 | 0 | { |
4342 | 0 | if ((m_nTABFILEGeorefSrcIndex < 0 || |
4343 | 0 | m_nPAMGeorefSrcIndex < m_nTABFILEGeorefSrcIndex) && |
4344 | 0 | (m_nINTERNALGeorefSrcIndex < 0 || |
4345 | 0 | m_nPAMGeorefSrcIndex < m_nINTERNALGeorefSrcIndex)) |
4346 | 0 | { |
4347 | 0 | const auto *poPamSRS = GDALPamDataset::GetSpatialRef(); |
4348 | 0 | if (poPamSRS) |
4349 | 0 | { |
4350 | 0 | m_oSRS = *poPamSRS; |
4351 | 0 | m_bLookedForProjection = true; |
4352 | | // m_nProjectionGeorefSrcIndex = m_nPAMGeorefSrcIndex; |
4353 | 0 | } |
4354 | 0 | } |
4355 | 0 | else |
4356 | 0 | { |
4357 | 0 | if (m_nINTERNALGeorefSrcIndex >= 0) |
4358 | 0 | LookForProjection(); |
4359 | 0 | if (m_oSRS.IsEmpty()) |
4360 | 0 | { |
4361 | 0 | const auto *poPamSRS = GDALPamDataset::GetSpatialRef(); |
4362 | 0 | if (poPamSRS) |
4363 | 0 | { |
4364 | 0 | m_oSRS = *poPamSRS; |
4365 | 0 | m_bLookedForProjection = true; |
4366 | | // m_nProjectionGeorefSrcIndex = m_nPAMGeorefSrcIndex; |
4367 | 0 | } |
4368 | 0 | } |
4369 | 0 | } |
4370 | 0 | } |
4371 | |
|
4372 | 0 | int nPamGCPCount; |
4373 | 0 | if (m_nPAMGeorefSrcIndex >= 0 && !oMDMD.GetMetadata("xml:ESRI") && |
4374 | 0 | (nPamGCPCount = GDALPamDataset::GetGCPCount()) > 0 && |
4375 | 0 | ((!m_aoGCPs.empty() && |
4376 | 0 | m_nPAMGeorefSrcIndex < m_nGeoTransformGeorefSrcIndex) || |
4377 | 0 | m_nGeoTransformGeorefSrcIndex < 0 || m_aoGCPs.empty())) |
4378 | 0 | { |
4379 | 0 | m_aoGCPs = gdal::GCP::fromC(GDALPamDataset::GetGCPs(), nPamGCPCount); |
4380 | | |
4381 | | // Invalidate Geotransorm got from less prioritary sources |
4382 | 0 | if (!m_aoGCPs.empty() && m_bGeoTransformValid && !bGotGTFromPAM && |
4383 | 0 | m_nPAMGeorefSrcIndex == 0) |
4384 | 0 | { |
4385 | 0 | m_bGeoTransformValid = false; |
4386 | 0 | } |
4387 | | |
4388 | | // m_nProjectionGeorefSrcIndex = m_nPAMGeorefSrcIndex; |
4389 | |
|
4390 | 0 | const auto *poPamGCPSRS = GDALPamDataset::GetGCPSpatialRef(); |
4391 | 0 | if (poPamGCPSRS) |
4392 | 0 | m_oSRS = *poPamGCPSRS; |
4393 | 0 | else |
4394 | 0 | m_oSRS.Clear(); |
4395 | |
|
4396 | 0 | m_bLookedForProjection = true; |
4397 | 0 | } |
4398 | |
|
4399 | 0 | if (m_nPAMGeorefSrcIndex >= 0) |
4400 | 0 | { |
4401 | 0 | CPLXMLNode *psValueAsXML = nullptr; |
4402 | 0 | CPLXMLNode *psGeodataXform = nullptr; |
4403 | 0 | char **papszXML = oMDMD.GetMetadata("xml:ESRI"); |
4404 | 0 | if (CSLCount(papszXML) == 1) |
4405 | 0 | { |
4406 | 0 | psValueAsXML = CPLParseXMLString(papszXML[0]); |
4407 | 0 | if (psValueAsXML) |
4408 | 0 | psGeodataXform = CPLGetXMLNode(psValueAsXML, "=GeodataXform"); |
4409 | 0 | } |
4410 | |
|
4411 | 0 | const char *pszTIFFTagResUnit = |
4412 | 0 | GetMetadataItem("TIFFTAG_RESOLUTIONUNIT"); |
4413 | 0 | const char *pszTIFFTagXRes = GetMetadataItem("TIFFTAG_XRESOLUTION"); |
4414 | 0 | const char *pszTIFFTagYRes = GetMetadataItem("TIFFTAG_YRESOLUTION"); |
4415 | 0 | if (psGeodataXform && pszTIFFTagXRes && pszTIFFTagYRes && |
4416 | 0 | pszTIFFTagResUnit && atoi(pszTIFFTagResUnit) == 2) |
4417 | 0 | { |
4418 | 0 | CPLXMLNode *psSourceGCPs = |
4419 | 0 | CPLGetXMLNode(psGeodataXform, "SourceGCPs"); |
4420 | 0 | CPLXMLNode *psTargetGCPs = |
4421 | 0 | CPLGetXMLNode(psGeodataXform, "TargetGCPs"); |
4422 | 0 | if (psSourceGCPs && psTargetGCPs) |
4423 | 0 | { |
4424 | 0 | std::vector<double> adfSourceGCPs, adfTargetGCPs; |
4425 | 0 | for (CPLXMLNode *psIter = psSourceGCPs->psChild; |
4426 | 0 | psIter != nullptr; psIter = psIter->psNext) |
4427 | 0 | { |
4428 | 0 | if (psIter->eType == CXT_Element && |
4429 | 0 | EQUAL(psIter->pszValue, "Double")) |
4430 | 0 | { |
4431 | 0 | adfSourceGCPs.push_back( |
4432 | 0 | CPLAtof(CPLGetXMLValue(psIter, nullptr, ""))); |
4433 | 0 | } |
4434 | 0 | } |
4435 | 0 | for (CPLXMLNode *psIter = psTargetGCPs->psChild; |
4436 | 0 | psIter != nullptr; psIter = psIter->psNext) |
4437 | 0 | { |
4438 | 0 | if (psIter->eType == CXT_Element && |
4439 | 0 | EQUAL(psIter->pszValue, "Double")) |
4440 | 0 | { |
4441 | 0 | adfTargetGCPs.push_back( |
4442 | 0 | CPLAtof(CPLGetXMLValue(psIter, nullptr, ""))); |
4443 | 0 | } |
4444 | 0 | } |
4445 | 0 | if (adfSourceGCPs.size() == adfTargetGCPs.size() && |
4446 | 0 | (adfSourceGCPs.size() % 2) == 0) |
4447 | 0 | { |
4448 | 0 | const char *pszESRI_WKT = CPLGetXMLValue( |
4449 | 0 | psGeodataXform, "SpatialReference.WKT", nullptr); |
4450 | 0 | if (pszESRI_WKT) |
4451 | 0 | { |
4452 | 0 | m_bLookedForProjection = true; |
4453 | 0 | m_oSRS.SetAxisMappingStrategy( |
4454 | 0 | OAMS_TRADITIONAL_GIS_ORDER); |
4455 | 0 | if (m_oSRS.importFromWkt(pszESRI_WKT) != OGRERR_NONE) |
4456 | 0 | { |
4457 | 0 | m_oSRS.Clear(); |
4458 | 0 | } |
4459 | 0 | } |
4460 | |
|
4461 | 0 | m_aoGCPs.clear(); |
4462 | 0 | const size_t nNewGCPCount = adfSourceGCPs.size() / 2; |
4463 | 0 | for (size_t i = 0; i < nNewGCPCount; ++i) |
4464 | 0 | { |
4465 | 0 | m_aoGCPs.emplace_back( |
4466 | 0 | "", "", |
4467 | | // The origin used is the bottom left corner, |
4468 | | // and raw values to be multiplied by the |
4469 | | // TIFFTAG_XRESOLUTION/TIFFTAG_YRESOLUTION |
4470 | | /* pixel = */ |
4471 | 0 | adfSourceGCPs[2 * i] * CPLAtof(pszTIFFTagXRes), |
4472 | | /* line = */ |
4473 | 0 | nRasterYSize - adfSourceGCPs[2 * i + 1] * |
4474 | 0 | CPLAtof(pszTIFFTagYRes), |
4475 | 0 | /* X = */ adfTargetGCPs[2 * i], |
4476 | 0 | /* Y = */ adfTargetGCPs[2 * i + 1]); |
4477 | 0 | } |
4478 | | |
4479 | | // Invalidate Geotransform got from less prioritary sources |
4480 | 0 | if (!m_aoGCPs.empty() && m_bGeoTransformValid && |
4481 | 0 | !bGotGTFromPAM && m_nPAMGeorefSrcIndex == 0) |
4482 | 0 | { |
4483 | 0 | m_bGeoTransformValid = false; |
4484 | 0 | } |
4485 | 0 | } |
4486 | 0 | } |
4487 | 0 | } |
4488 | |
|
4489 | 0 | if (psValueAsXML) |
4490 | 0 | CPLDestroyXMLNode(psValueAsXML); |
4491 | 0 | } |
4492 | | |
4493 | | /* -------------------------------------------------------------------- */ |
4494 | | /* Copy any PAM metadata into our GeoTIFF context, and with */ |
4495 | | /* the PAM info overriding the GeoTIFF context. */ |
4496 | | /* -------------------------------------------------------------------- */ |
4497 | 0 | CSLConstList papszPamDomains = oMDMD.GetDomainList(); |
4498 | |
|
4499 | 0 | for (int iDomain = 0; |
4500 | 0 | papszPamDomains && papszPamDomains[iDomain] != nullptr; ++iDomain) |
4501 | 0 | { |
4502 | 0 | const char *pszDomain = papszPamDomains[iDomain]; |
4503 | 0 | char **papszGT_MD = CSLDuplicate(m_oGTiffMDMD.GetMetadata(pszDomain)); |
4504 | 0 | char **papszPAM_MD = oMDMD.GetMetadata(pszDomain); |
4505 | |
|
4506 | 0 | papszGT_MD = CSLMerge(papszGT_MD, papszPAM_MD); |
4507 | |
|
4508 | 0 | m_oGTiffMDMD.SetMetadata(papszGT_MD, pszDomain); |
4509 | 0 | CSLDestroy(papszGT_MD); |
4510 | 0 | } |
4511 | |
|
4512 | 0 | for (int i = 1; i <= GetRasterCount(); ++i) |
4513 | 0 | { |
4514 | 0 | GTiffRasterBand *poBand = |
4515 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(i)); |
4516 | 0 | papszPamDomains = poBand->oMDMD.GetDomainList(); |
4517 | |
|
4518 | 0 | for (int iDomain = 0; |
4519 | 0 | papszPamDomains && papszPamDomains[iDomain] != nullptr; ++iDomain) |
4520 | 0 | { |
4521 | 0 | const char *pszDomain = papszPamDomains[iDomain]; |
4522 | 0 | char **papszGT_MD = |
4523 | 0 | CSLDuplicate(poBand->m_oGTiffMDMD.GetMetadata(pszDomain)); |
4524 | 0 | char **papszPAM_MD = poBand->oMDMD.GetMetadata(pszDomain); |
4525 | |
|
4526 | 0 | papszGT_MD = CSLMerge(papszGT_MD, papszPAM_MD); |
4527 | |
|
4528 | 0 | poBand->m_oGTiffMDMD.SetMetadata(papszGT_MD, pszDomain); |
4529 | 0 | CSLDestroy(papszGT_MD); |
4530 | 0 | } |
4531 | 0 | } |
4532 | |
|
4533 | 0 | for (int i = 1; i <= nBands; ++i) |
4534 | 0 | { |
4535 | 0 | GTiffRasterBand *poBand = |
4536 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(i)); |
4537 | | |
4538 | | /* Load scale, offset and unittype from PAM if available */ |
4539 | 0 | int nHaveOffsetScale = false; |
4540 | 0 | double dfScale = poBand->GDALPamRasterBand::GetScale(&nHaveOffsetScale); |
4541 | 0 | if (nHaveOffsetScale) |
4542 | 0 | { |
4543 | 0 | poBand->m_bHaveOffsetScale = true; |
4544 | 0 | poBand->m_dfScale = dfScale; |
4545 | 0 | poBand->m_dfOffset = poBand->GDALPamRasterBand::GetOffset(); |
4546 | 0 | } |
4547 | |
|
4548 | 0 | const char *pszUnitType = poBand->GDALPamRasterBand::GetUnitType(); |
4549 | 0 | if (pszUnitType && pszUnitType[0]) |
4550 | 0 | poBand->m_osUnitType = pszUnitType; |
4551 | |
|
4552 | 0 | const char *pszDescription = |
4553 | 0 | poBand->GDALPamRasterBand::GetDescription(); |
4554 | 0 | if (pszDescription && pszDescription[0]) |
4555 | 0 | poBand->m_osDescription = pszDescription; |
4556 | |
|
4557 | 0 | GDALColorInterp ePAMColorInterp = |
4558 | 0 | poBand->GDALPamRasterBand::GetColorInterpretation(); |
4559 | 0 | if (ePAMColorInterp != GCI_Undefined) |
4560 | 0 | poBand->m_eBandInterp = ePAMColorInterp; |
4561 | |
|
4562 | 0 | if (i == 1) |
4563 | 0 | { |
4564 | 0 | const auto poCT = poBand->GDALPamRasterBand::GetColorTable(); |
4565 | 0 | if (poCT) |
4566 | 0 | { |
4567 | 0 | m_poColorTable.reset(poCT->Clone()); |
4568 | 0 | } |
4569 | 0 | } |
4570 | 0 | } |
4571 | 0 | } |
4572 | | |
4573 | | /************************************************************************/ |
4574 | | /* OpenDir() */ |
4575 | | /* */ |
4576 | | /* Open a specific directory as encoded into a filename. */ |
4577 | | /************************************************************************/ |
4578 | | |
4579 | | GDALDataset *GTiffDataset::OpenDir(GDALOpenInfo *poOpenInfo) |
4580 | | |
4581 | 0 | { |
4582 | 0 | bool bAllowRGBAInterface = true; |
4583 | 0 | const char *pszFilename = poOpenInfo->pszFilename; |
4584 | 0 | if (STARTS_WITH_CI(pszFilename, "GTIFF_RAW:")) |
4585 | 0 | { |
4586 | 0 | bAllowRGBAInterface = false; |
4587 | 0 | pszFilename += strlen("GTIFF_RAW:"); |
4588 | 0 | } |
4589 | |
|
4590 | 0 | if (!STARTS_WITH_CI(pszFilename, "GTIFF_DIR:") || |
4591 | 0 | pszFilename[strlen("GTIFF_DIR:")] == '\0') |
4592 | 0 | { |
4593 | 0 | return nullptr; |
4594 | 0 | } |
4595 | | |
4596 | | /* -------------------------------------------------------------------- */ |
4597 | | /* Split out filename, and dir#/offset. */ |
4598 | | /* -------------------------------------------------------------------- */ |
4599 | 0 | pszFilename += strlen("GTIFF_DIR:"); |
4600 | 0 | bool bAbsolute = false; |
4601 | |
|
4602 | 0 | if (STARTS_WITH_CI(pszFilename, "off:")) |
4603 | 0 | { |
4604 | 0 | bAbsolute = true; |
4605 | 0 | pszFilename += 4; |
4606 | 0 | } |
4607 | |
|
4608 | 0 | toff_t nOffset = atol(pszFilename); |
4609 | 0 | pszFilename += 1; |
4610 | |
|
4611 | 0 | while (*pszFilename != '\0' && pszFilename[-1] != ':') |
4612 | 0 | ++pszFilename; |
4613 | |
|
4614 | 0 | if (*pszFilename == '\0' || nOffset == 0) |
4615 | 0 | { |
4616 | 0 | ReportError( |
4617 | 0 | pszFilename, CE_Failure, CPLE_OpenFailed, |
4618 | 0 | "Unable to extract offset or filename, should take the form:\n" |
4619 | 0 | "GTIFF_DIR:<dir>:filename or GTIFF_DIR:off:<dir_offset>:filename"); |
4620 | 0 | return nullptr; |
4621 | 0 | } |
4622 | | |
4623 | 0 | if (poOpenInfo->eAccess == GA_Update) |
4624 | 0 | { |
4625 | 0 | ReportError(pszFilename, CE_Warning, CPLE_AppDefined, |
4626 | 0 | "Opening a specific TIFF directory is not supported in " |
4627 | 0 | "update mode. Switching to read-only"); |
4628 | 0 | } |
4629 | | |
4630 | | /* -------------------------------------------------------------------- */ |
4631 | | /* Try opening the dataset. */ |
4632 | | /* -------------------------------------------------------------------- */ |
4633 | 0 | GTiffOneTimeInit(); |
4634 | |
|
4635 | 0 | const char *pszFlag = poOpenInfo->eAccess == GA_Update ? "r+DC" : "rDOC"; |
4636 | 0 | VSILFILE *l_fpL = VSIFOpenL(pszFilename, pszFlag); |
4637 | 0 | if (l_fpL == nullptr) |
4638 | 0 | return nullptr; |
4639 | 0 | TIFF *l_hTIFF = VSI_TIFFOpen(pszFilename, pszFlag, l_fpL); |
4640 | 0 | if (l_hTIFF == nullptr) |
4641 | 0 | { |
4642 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL)); |
4643 | 0 | return nullptr; |
4644 | 0 | } |
4645 | | |
4646 | | /* -------------------------------------------------------------------- */ |
4647 | | /* If a directory was requested by index, advance to it now. */ |
4648 | | /* -------------------------------------------------------------------- */ |
4649 | 0 | if (!bAbsolute) |
4650 | 0 | { |
4651 | 0 | const toff_t nOffsetRequested = nOffset; |
4652 | 0 | while (nOffset > 1) |
4653 | 0 | { |
4654 | 0 | if (TIFFReadDirectory(l_hTIFF) == 0) |
4655 | 0 | { |
4656 | 0 | XTIFFClose(l_hTIFF); |
4657 | 0 | ReportError(pszFilename, CE_Failure, CPLE_OpenFailed, |
4658 | 0 | "Requested directory %lu not found.", |
4659 | 0 | static_cast<long unsigned int>(nOffsetRequested)); |
4660 | 0 | CPL_IGNORE_RET_VAL(VSIFCloseL(l_fpL)); |
4661 | 0 | return nullptr; |
4662 | 0 | } |
4663 | 0 | nOffset--; |
4664 | 0 | } |
4665 | | |
4666 | 0 | nOffset = TIFFCurrentDirOffset(l_hTIFF); |
4667 | 0 | } |
4668 | | |
4669 | | /* -------------------------------------------------------------------- */ |
4670 | | /* Create a corresponding GDALDataset. */ |
4671 | | /* -------------------------------------------------------------------- */ |
4672 | 0 | GTiffDataset *poDS = new GTiffDataset(); |
4673 | 0 | poDS->SetDescription(poOpenInfo->pszFilename); |
4674 | 0 | poDS->m_pszFilename = CPLStrdup(pszFilename); |
4675 | 0 | poDS->m_fpL = l_fpL; |
4676 | 0 | poDS->m_hTIFF = l_hTIFF; |
4677 | 0 | poDS->m_bSingleIFDOpened = true; |
4678 | |
|
4679 | 0 | if (!EQUAL(pszFilename, poOpenInfo->pszFilename) && |
4680 | 0 | !STARTS_WITH_CI(poOpenInfo->pszFilename, "GTIFF_RAW:")) |
4681 | 0 | { |
4682 | 0 | poDS->SetPhysicalFilename(pszFilename); |
4683 | 0 | poDS->SetSubdatasetName(poOpenInfo->pszFilename); |
4684 | 0 | } |
4685 | |
|
4686 | 0 | if (poOpenInfo->AreSiblingFilesLoaded()) |
4687 | 0 | poDS->oOvManager.TransferSiblingFiles(poOpenInfo->StealSiblingFiles()); |
4688 | |
|
4689 | 0 | if (poDS->OpenOffset(l_hTIFF, nOffset, poOpenInfo->eAccess, |
4690 | 0 | bAllowRGBAInterface, true) != CE_None) |
4691 | 0 | { |
4692 | 0 | delete poDS; |
4693 | 0 | return nullptr; |
4694 | 0 | } |
4695 | | |
4696 | 0 | return poDS; |
4697 | 0 | } |
4698 | | |
4699 | | /************************************************************************/ |
4700 | | /* ConvertTransferFunctionToString() */ |
4701 | | /* */ |
4702 | | /* Convert a transfer function table into a string. */ |
4703 | | /* Used by LoadICCProfile(). */ |
4704 | | /************************************************************************/ |
4705 | | static CPLString ConvertTransferFunctionToString(const uint16_t *pTable, |
4706 | | uint32_t nTableEntries) |
4707 | 0 | { |
4708 | 0 | CPLString sValue; |
4709 | |
|
4710 | 0 | for (uint32_t i = 0; i < nTableEntries; ++i) |
4711 | 0 | { |
4712 | 0 | if (i > 0) |
4713 | 0 | sValue += ", "; |
4714 | 0 | sValue += CPLSPrintf("%d", static_cast<uint32_t>(pTable[i])); |
4715 | 0 | } |
4716 | |
|
4717 | 0 | return sValue; |
4718 | 0 | } |
4719 | | |
4720 | | /************************************************************************/ |
4721 | | /* LoadICCProfile() */ |
4722 | | /* */ |
4723 | | /* Load ICC Profile or colorimetric data into metadata */ |
4724 | | /************************************************************************/ |
4725 | | |
4726 | | void GTiffDataset::LoadICCProfile() |
4727 | 0 | { |
4728 | 0 | if (m_bICCMetadataLoaded) |
4729 | 0 | return; |
4730 | 0 | m_bICCMetadataLoaded = true; |
4731 | |
|
4732 | 0 | uint32_t nEmbedLen = 0; |
4733 | 0 | uint8_t *pEmbedBuffer = nullptr; |
4734 | |
|
4735 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_ICCPROFILE, &nEmbedLen, &pEmbedBuffer)) |
4736 | 0 | { |
4737 | 0 | char *pszBase64Profile = CPLBase64Encode( |
4738 | 0 | nEmbedLen, reinterpret_cast<const GByte *>(pEmbedBuffer)); |
4739 | |
|
4740 | 0 | m_oGTiffMDMD.SetMetadataItem("SOURCE_ICC_PROFILE", pszBase64Profile, |
4741 | 0 | "COLOR_PROFILE"); |
4742 | |
|
4743 | 0 | CPLFree(pszBase64Profile); |
4744 | |
|
4745 | 0 | return; |
4746 | 0 | } |
4747 | | |
4748 | | // Check for colorimetric tiff. |
4749 | 0 | float *pCHR = nullptr; |
4750 | 0 | float *pWP = nullptr; |
4751 | 0 | uint16_t *pTFR = nullptr; |
4752 | 0 | uint16_t *pTFG = nullptr; |
4753 | 0 | uint16_t *pTFB = nullptr; |
4754 | 0 | uint16_t *pTransferRange = nullptr; |
4755 | |
|
4756 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_PRIMARYCHROMATICITIES, &pCHR)) |
4757 | 0 | { |
4758 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_WHITEPOINT, &pWP)) |
4759 | 0 | { |
4760 | 0 | if (m_nBitsPerSample > 24 || |
4761 | 0 | !TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_TRANSFERFUNCTION, &pTFR, |
4762 | 0 | &pTFG, &pTFB) || |
4763 | 0 | pTFR == nullptr || pTFG == nullptr || pTFB == nullptr) |
4764 | 0 | { |
4765 | 0 | return; |
4766 | 0 | } |
4767 | | |
4768 | 0 | const int TIFFTAG_TRANSFERRANGE = 0x0156; |
4769 | 0 | TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_TRANSFERRANGE, |
4770 | 0 | &pTransferRange); |
4771 | | |
4772 | | // Set all the colorimetric metadata. |
4773 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4774 | 0 | "SOURCE_PRIMARIES_RED", |
4775 | 0 | CPLString().Printf("%.9f, %.9f, 1.0", |
4776 | 0 | static_cast<double>(pCHR[0]), |
4777 | 0 | static_cast<double>(pCHR[1])), |
4778 | 0 | "COLOR_PROFILE"); |
4779 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4780 | 0 | "SOURCE_PRIMARIES_GREEN", |
4781 | 0 | CPLString().Printf("%.9f, %.9f, 1.0", |
4782 | 0 | static_cast<double>(pCHR[2]), |
4783 | 0 | static_cast<double>(pCHR[3])), |
4784 | 0 | "COLOR_PROFILE"); |
4785 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4786 | 0 | "SOURCE_PRIMARIES_BLUE", |
4787 | 0 | CPLString().Printf("%.9f, %.9f, 1.0", |
4788 | 0 | static_cast<double>(pCHR[4]), |
4789 | 0 | static_cast<double>(pCHR[5])), |
4790 | 0 | "COLOR_PROFILE"); |
4791 | |
|
4792 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4793 | 0 | "SOURCE_WHITEPOINT", |
4794 | 0 | CPLString().Printf("%.9f, %.9f, 1.0", |
4795 | 0 | static_cast<double>(pWP[0]), |
4796 | 0 | static_cast<double>(pWP[1])), |
4797 | 0 | "COLOR_PROFILE"); |
4798 | | |
4799 | | // Set transfer function metadata. |
4800 | | |
4801 | | // Get length of table. |
4802 | 0 | const uint32_t nTransferFunctionLength = 1 << m_nBitsPerSample; |
4803 | |
|
4804 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4805 | 0 | "TIFFTAG_TRANSFERFUNCTION_RED", |
4806 | 0 | ConvertTransferFunctionToString(pTFR, nTransferFunctionLength), |
4807 | 0 | "COLOR_PROFILE"); |
4808 | |
|
4809 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4810 | 0 | "TIFFTAG_TRANSFERFUNCTION_GREEN", |
4811 | 0 | ConvertTransferFunctionToString(pTFG, nTransferFunctionLength), |
4812 | 0 | "COLOR_PROFILE"); |
4813 | |
|
4814 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4815 | 0 | "TIFFTAG_TRANSFERFUNCTION_BLUE", |
4816 | 0 | ConvertTransferFunctionToString(pTFB, nTransferFunctionLength), |
4817 | 0 | "COLOR_PROFILE"); |
4818 | | |
4819 | | // Set transfer range. |
4820 | 0 | if (pTransferRange) |
4821 | 0 | { |
4822 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4823 | 0 | "TIFFTAG_TRANSFERRANGE_BLACK", |
4824 | 0 | CPLString().Printf("%d, %d, %d", |
4825 | 0 | static_cast<int>(pTransferRange[0]), |
4826 | 0 | static_cast<int>(pTransferRange[2]), |
4827 | 0 | static_cast<int>(pTransferRange[4])), |
4828 | 0 | "COLOR_PROFILE"); |
4829 | 0 | m_oGTiffMDMD.SetMetadataItem( |
4830 | 0 | "TIFFTAG_TRANSFERRANGE_WHITE", |
4831 | 0 | CPLString().Printf("%d, %d, %d", |
4832 | 0 | static_cast<int>(pTransferRange[1]), |
4833 | 0 | static_cast<int>(pTransferRange[3]), |
4834 | 0 | static_cast<int>(pTransferRange[5])), |
4835 | 0 | "COLOR_PROFILE"); |
4836 | 0 | } |
4837 | 0 | } |
4838 | 0 | } |
4839 | 0 | } |
4840 | | |
4841 | | /************************************************************************/ |
4842 | | /* OpenOffset() */ |
4843 | | /* */ |
4844 | | /* Initialize the GTiffDataset based on a passed in file */ |
4845 | | /* handle, and directory offset to utilize. This is called for */ |
4846 | | /* full res, and overview pages. */ |
4847 | | /************************************************************************/ |
4848 | | |
4849 | | CPLErr GTiffDataset::OpenOffset(TIFF *hTIFFIn, toff_t nDirOffsetIn, |
4850 | | GDALAccess eAccessIn, bool bAllowRGBAInterface, |
4851 | | bool bReadGeoTransform) |
4852 | | |
4853 | 0 | { |
4854 | 0 | if (!hTIFFIn) |
4855 | 0 | return CE_Failure; |
4856 | | |
4857 | 0 | eAccess = eAccessIn; |
4858 | |
|
4859 | 0 | m_hTIFF = hTIFFIn; |
4860 | |
|
4861 | 0 | m_nDirOffset = nDirOffsetIn; |
4862 | |
|
4863 | 0 | if (!SetDirectory()) |
4864 | 0 | return CE_Failure; |
4865 | | |
4866 | | /* -------------------------------------------------------------------- */ |
4867 | | /* Capture some information from the file that is of interest. */ |
4868 | | /* -------------------------------------------------------------------- */ |
4869 | 0 | uint32_t nXSize = 0; |
4870 | 0 | uint32_t nYSize = 0; |
4871 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_IMAGEWIDTH, &nXSize); |
4872 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_IMAGELENGTH, &nYSize); |
4873 | | |
4874 | | // Unlikely to occur, but could happen on a disk full situation. |
4875 | 0 | if (nXSize == 0 || nYSize == 0) |
4876 | 0 | return CE_Failure; |
4877 | | |
4878 | 0 | if (nXSize > INT_MAX || nYSize > INT_MAX) |
4879 | 0 | { |
4880 | | // GDAL only supports signed 32bit dimensions. |
4881 | 0 | ReportError(CE_Failure, CPLE_NotSupported, |
4882 | 0 | "Too large image size: %u x %u", nXSize, nYSize); |
4883 | 0 | return CE_Failure; |
4884 | 0 | } |
4885 | 0 | nRasterXSize = nXSize; |
4886 | 0 | nRasterYSize = nYSize; |
4887 | |
|
4888 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_SAMPLESPERPIXEL, &m_nSamplesPerPixel)) |
4889 | 0 | nBands = 1; |
4890 | 0 | else |
4891 | 0 | nBands = m_nSamplesPerPixel; |
4892 | |
|
4893 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_BITSPERSAMPLE, &(m_nBitsPerSample))) |
4894 | 0 | m_nBitsPerSample = 1; |
4895 | |
|
4896 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_PLANARCONFIG, &(m_nPlanarConfig))) |
4897 | 0 | m_nPlanarConfig = PLANARCONFIG_CONTIG; |
4898 | |
|
4899 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_PHOTOMETRIC, &(m_nPhotometric))) |
4900 | 0 | m_nPhotometric = PHOTOMETRIC_MINISBLACK; |
4901 | |
|
4902 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_SAMPLEFORMAT, &(m_nSampleFormat))) |
4903 | 0 | m_nSampleFormat = SAMPLEFORMAT_UINT; |
4904 | |
|
4905 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_COMPRESSION, &(m_nCompression))) |
4906 | 0 | m_nCompression = COMPRESSION_NONE; |
4907 | |
|
4908 | 0 | if (m_nCompression != COMPRESSION_NONE && |
4909 | 0 | !TIFFIsCODECConfigured(m_nCompression)) |
4910 | 0 | { |
4911 | 0 | const char *pszCompressionMethodName = |
4912 | 0 | GTIFFGetCompressionMethodName(m_nCompression); |
4913 | 0 | if (pszCompressionMethodName) |
4914 | 0 | { |
4915 | 0 | ReportError(CE_Failure, CPLE_AppDefined, |
4916 | 0 | "Cannot open TIFF file due to missing codec %s.", |
4917 | 0 | pszCompressionMethodName); |
4918 | 0 | } |
4919 | 0 | else |
4920 | 0 | { |
4921 | 0 | ReportError( |
4922 | 0 | CE_Failure, CPLE_AppDefined, |
4923 | 0 | "Cannot open TIFF file due to missing codec of code %d.", |
4924 | 0 | m_nCompression); |
4925 | 0 | } |
4926 | 0 | return CE_Failure; |
4927 | 0 | } |
4928 | | |
4929 | | /* -------------------------------------------------------------------- */ |
4930 | | /* YCbCr JPEG compressed images should be translated on the fly */ |
4931 | | /* to RGB by libtiff/libjpeg unless specifically requested */ |
4932 | | /* otherwise. */ |
4933 | | /* -------------------------------------------------------------------- */ |
4934 | 0 | if (m_nCompression == COMPRESSION_JPEG && |
4935 | 0 | m_nPhotometric == PHOTOMETRIC_YCBCR && |
4936 | 0 | CPLTestBool(CPLGetConfigOption("CONVERT_YCBCR_TO_RGB", "YES"))) |
4937 | 0 | { |
4938 | 0 | m_oGTiffMDMD.SetMetadataItem("SOURCE_COLOR_SPACE", "YCbCr", |
4939 | 0 | "IMAGE_STRUCTURE"); |
4940 | 0 | int nColorMode = 0; |
4941 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_JPEGCOLORMODE, &nColorMode) || |
4942 | 0 | nColorMode != JPEGCOLORMODE_RGB) |
4943 | 0 | { |
4944 | 0 | TIFFSetField(m_hTIFF, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB); |
4945 | 0 | } |
4946 | 0 | } |
4947 | | |
4948 | | /* -------------------------------------------------------------------- */ |
4949 | | /* Get strip/tile layout. */ |
4950 | | /* -------------------------------------------------------------------- */ |
4951 | 0 | if (TIFFIsTiled(m_hTIFF)) |
4952 | 0 | { |
4953 | 0 | uint32_t l_nBlockXSize = 0; |
4954 | 0 | uint32_t l_nBlockYSize = 0; |
4955 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_TILEWIDTH, &(l_nBlockXSize)); |
4956 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_TILELENGTH, &(l_nBlockYSize)); |
4957 | 0 | if (l_nBlockXSize > INT_MAX || l_nBlockYSize > INT_MAX) |
4958 | 0 | { |
4959 | 0 | ReportError(CE_Failure, CPLE_NotSupported, |
4960 | 0 | "Too large block size: %u x %u", l_nBlockXSize, |
4961 | 0 | l_nBlockYSize); |
4962 | 0 | return CE_Failure; |
4963 | 0 | } |
4964 | 0 | m_nBlockXSize = static_cast<int>(l_nBlockXSize); |
4965 | 0 | m_nBlockYSize = static_cast<int>(l_nBlockYSize); |
4966 | 0 | } |
4967 | 0 | else |
4968 | 0 | { |
4969 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_ROWSPERSTRIP, &(m_nRowsPerStrip))) |
4970 | 0 | { |
4971 | 0 | ReportError(CE_Warning, CPLE_AppDefined, |
4972 | 0 | "RowsPerStrip not defined ... assuming all one strip."); |
4973 | 0 | m_nRowsPerStrip = nYSize; // Dummy value. |
4974 | 0 | } |
4975 | | |
4976 | | // If the rows per strip is larger than the file we will get |
4977 | | // confused. libtiff internally will treat the rowsperstrip as |
4978 | | // the image height and it is best if we do too. (#4468) |
4979 | 0 | if (m_nRowsPerStrip > static_cast<uint32_t>(nRasterYSize)) |
4980 | 0 | m_nRowsPerStrip = nRasterYSize; |
4981 | |
|
4982 | 0 | m_nBlockXSize = nRasterXSize; |
4983 | 0 | m_nBlockYSize = m_nRowsPerStrip; |
4984 | 0 | } |
4985 | | |
4986 | 0 | if (!ComputeBlocksPerColRowAndBand(nBands)) |
4987 | 0 | return CE_Failure; |
4988 | | |
4989 | | /* -------------------------------------------------------------------- */ |
4990 | | /* Should we handle this using the GTiffBitmapBand? */ |
4991 | | /* -------------------------------------------------------------------- */ |
4992 | 0 | bool bTreatAsBitmap = false; |
4993 | |
|
4994 | 0 | if (m_nBitsPerSample == 1 && nBands == 1) |
4995 | 0 | { |
4996 | 0 | bTreatAsBitmap = true; |
4997 | | |
4998 | | // Lets treat large "one row" bitmaps using the scanline api. |
4999 | 0 | if (!TIFFIsTiled(m_hTIFF) && m_nBlockYSize == nRasterYSize && |
5000 | 0 | nRasterYSize > 2000 |
5001 | | // libtiff does not support reading JBIG files with |
5002 | | // TIFFReadScanline(). |
5003 | 0 | && m_nCompression != COMPRESSION_JBIG) |
5004 | 0 | { |
5005 | 0 | m_bTreatAsSplitBitmap = true; |
5006 | 0 | } |
5007 | 0 | } |
5008 | | |
5009 | | /* -------------------------------------------------------------------- */ |
5010 | | /* Should we treat this via the RGBA interface? */ |
5011 | | /* -------------------------------------------------------------------- */ |
5012 | 0 | bool bTreatAsRGBA = false; |
5013 | 0 | if ( |
5014 | 0 | #ifdef DEBUG |
5015 | 0 | CPLTestBool(CPLGetConfigOption("GTIFF_FORCE_RGBA", "NO")) || |
5016 | 0 | #endif |
5017 | 0 | (bAllowRGBAInterface && !bTreatAsBitmap && !(m_nBitsPerSample > 8) && |
5018 | 0 | (m_nPhotometric == PHOTOMETRIC_CIELAB || |
5019 | 0 | m_nPhotometric == PHOTOMETRIC_LOGL || |
5020 | 0 | m_nPhotometric == PHOTOMETRIC_LOGLUV || |
5021 | 0 | m_nPhotometric == PHOTOMETRIC_SEPARATED || |
5022 | 0 | (m_nPhotometric == PHOTOMETRIC_YCBCR && |
5023 | 0 | m_nCompression != COMPRESSION_JPEG)))) |
5024 | 0 | { |
5025 | 0 | char szMessage[1024] = {}; |
5026 | |
|
5027 | 0 | if (TIFFRGBAImageOK(m_hTIFF, szMessage) == 1) |
5028 | 0 | { |
5029 | 0 | const char *pszSourceColorSpace = nullptr; |
5030 | 0 | nBands = 4; |
5031 | 0 | switch (m_nPhotometric) |
5032 | 0 | { |
5033 | 0 | case PHOTOMETRIC_CIELAB: |
5034 | 0 | pszSourceColorSpace = "CIELAB"; |
5035 | 0 | break; |
5036 | 0 | case PHOTOMETRIC_LOGL: |
5037 | 0 | pszSourceColorSpace = "LOGL"; |
5038 | 0 | break; |
5039 | 0 | case PHOTOMETRIC_LOGLUV: |
5040 | 0 | pszSourceColorSpace = "LOGLUV"; |
5041 | 0 | break; |
5042 | 0 | case PHOTOMETRIC_SEPARATED: |
5043 | 0 | pszSourceColorSpace = "CMYK"; |
5044 | 0 | break; |
5045 | 0 | case PHOTOMETRIC_YCBCR: |
5046 | 0 | pszSourceColorSpace = "YCbCr"; |
5047 | 0 | nBands = 3; // probably true for other photometric values |
5048 | 0 | break; |
5049 | 0 | } |
5050 | 0 | if (pszSourceColorSpace) |
5051 | 0 | m_oGTiffMDMD.SetMetadataItem("SOURCE_COLOR_SPACE", |
5052 | 0 | pszSourceColorSpace, |
5053 | 0 | "IMAGE_STRUCTURE"); |
5054 | 0 | bTreatAsRGBA = true; |
5055 | 0 | } |
5056 | 0 | else |
5057 | 0 | { |
5058 | 0 | CPLDebug("GTiff", "TIFFRGBAImageOK says:\n%s", szMessage); |
5059 | 0 | } |
5060 | 0 | } |
5061 | | |
5062 | | // libtiff has various issues with OJPEG compression and chunky-strip |
5063 | | // support with the "classic" scanline/strip/tile interfaces, and that |
5064 | | // wouldn't work either, so better bail out. |
5065 | 0 | if (m_nCompression == COMPRESSION_OJPEG && !bTreatAsRGBA) |
5066 | 0 | { |
5067 | 0 | ReportError( |
5068 | 0 | CE_Failure, CPLE_NotSupported, |
5069 | 0 | "Old-JPEG compression only supported through RGBA interface, " |
5070 | 0 | "which cannot be used probably because the file is corrupted"); |
5071 | 0 | return CE_Failure; |
5072 | 0 | } |
5073 | | |
5074 | | // If photometric is YCbCr, scanline/strip/tile interfaces assumes that |
5075 | | // we are ready with downsampled data. And we are not. |
5076 | 0 | if (m_nCompression != COMPRESSION_JPEG && |
5077 | 0 | m_nCompression != COMPRESSION_OJPEG && |
5078 | 0 | m_nPhotometric == PHOTOMETRIC_YCBCR && |
5079 | 0 | m_nPlanarConfig == PLANARCONFIG_CONTIG && !bTreatAsRGBA) |
5080 | 0 | { |
5081 | 0 | uint16_t nF1, nF2; |
5082 | 0 | TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_YCBCRSUBSAMPLING, &nF1, &nF2); |
5083 | 0 | if (nF1 != 1 || nF2 != 1) |
5084 | 0 | { |
5085 | 0 | ReportError(CE_Failure, CPLE_AppDefined, |
5086 | 0 | "Cannot open TIFF file with YCbCr, subsampling and " |
5087 | 0 | "BitsPerSample > 8 that is not JPEG compressed"); |
5088 | 0 | return CE_Failure; |
5089 | 0 | } |
5090 | 0 | } |
5091 | | |
5092 | | /* -------------------------------------------------------------------- */ |
5093 | | /* Should we treat this via the split interface? */ |
5094 | | /* -------------------------------------------------------------------- */ |
5095 | 0 | if (!TIFFIsTiled(m_hTIFF) && m_nBitsPerSample == 8 && |
5096 | 0 | m_nBlockYSize == nRasterYSize && nRasterYSize > 2000 && !bTreatAsRGBA && |
5097 | 0 | CPLTestBool(CPLGetConfigOption("GDAL_ENABLE_TIFF_SPLIT", "YES"))) |
5098 | 0 | { |
5099 | 0 | m_bTreatAsSplit = true; |
5100 | 0 | } |
5101 | | |
5102 | | /* -------------------------------------------------------------------- */ |
5103 | | /* Should we treat this via the odd bits interface? */ |
5104 | | /* -------------------------------------------------------------------- */ |
5105 | 0 | bool bTreatAsOdd = false; |
5106 | 0 | if (m_nSampleFormat == SAMPLEFORMAT_IEEEFP) |
5107 | 0 | { |
5108 | 0 | if (m_nBitsPerSample == 24) |
5109 | 0 | bTreatAsOdd = true; |
5110 | 0 | else if (m_nBitsPerSample != 16 && m_nBitsPerSample != 32 && |
5111 | 0 | m_nBitsPerSample != 64) |
5112 | 0 | { |
5113 | 0 | ReportError(CE_Failure, CPLE_AppDefined, |
5114 | 0 | "Cannot open TIFF file with SampleFormat=IEEEFP " |
5115 | 0 | "and BitsPerSample=%d", |
5116 | 0 | m_nBitsPerSample); |
5117 | 0 | return CE_Failure; |
5118 | 0 | } |
5119 | 0 | } |
5120 | 0 | else if (!bTreatAsRGBA && !bTreatAsBitmap && m_nBitsPerSample != 8 && |
5121 | 0 | m_nBitsPerSample != 16 && m_nBitsPerSample != 32 && |
5122 | 0 | m_nBitsPerSample != 64 && m_nBitsPerSample != 128) |
5123 | 0 | { |
5124 | 0 | bTreatAsOdd = true; |
5125 | 0 | } |
5126 | | |
5127 | | /* -------------------------------------------------------------------- */ |
5128 | | /* We can't support 'chunks' bigger than 2GB on 32 bit builds */ |
5129 | | /* -------------------------------------------------------------------- */ |
5130 | | #if SIZEOF_VOIDP == 4 |
5131 | | uint64_t nChunkSize = 0; |
5132 | | if (m_bTreatAsSplit || m_bTreatAsSplitBitmap) |
5133 | | { |
5134 | | nChunkSize = TIFFScanlineSize64(m_hTIFF); |
5135 | | } |
5136 | | else |
5137 | | { |
5138 | | if (TIFFIsTiled(m_hTIFF)) |
5139 | | nChunkSize = TIFFTileSize64(m_hTIFF); |
5140 | | else |
5141 | | nChunkSize = TIFFStripSize64(m_hTIFF); |
5142 | | } |
5143 | | if (bTreatAsRGBA) |
5144 | | { |
5145 | | nChunkSize = |
5146 | | std::max(nChunkSize, |
5147 | | 4 * static_cast<uint64_t>(m_nBlockXSize) * m_nBlockYSize); |
5148 | | } |
5149 | | if (nChunkSize > static_cast<uint64_t>(INT_MAX)) |
5150 | | { |
5151 | | ReportError(CE_Failure, CPLE_NotSupported, |
5152 | | "Scanline/tile/strip size bigger than 2GB unsupported " |
5153 | | "on 32-bit builds."); |
5154 | | return CE_Failure; |
5155 | | } |
5156 | | #endif |
5157 | | |
5158 | 0 | const bool bMinIsWhite = m_nPhotometric == PHOTOMETRIC_MINISWHITE; |
5159 | | |
5160 | | /* -------------------------------------------------------------------- */ |
5161 | | /* Check for NODATA */ |
5162 | | /* -------------------------------------------------------------------- */ |
5163 | 0 | char *pszText = nullptr; |
5164 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_GDAL_NODATA, &pszText) && |
5165 | 0 | !EQUAL(pszText, "")) |
5166 | 0 | { |
5167 | 0 | if (m_nBitsPerSample > 32 && m_nBitsPerSample <= 64 && |
5168 | 0 | m_nSampleFormat == SAMPLEFORMAT_INT) |
5169 | 0 | { |
5170 | 0 | m_bNoDataSetAsInt64 = true; |
5171 | 0 | m_nNoDataValueInt64 = |
5172 | 0 | static_cast<int64_t>(std::strtoll(pszText, nullptr, 10)); |
5173 | 0 | } |
5174 | 0 | else if (m_nBitsPerSample > 32 && m_nBitsPerSample <= 64 && |
5175 | 0 | m_nSampleFormat == SAMPLEFORMAT_UINT) |
5176 | 0 | { |
5177 | 0 | m_bNoDataSetAsUInt64 = true; |
5178 | 0 | m_nNoDataValueUInt64 = |
5179 | 0 | static_cast<uint64_t>(std::strtoull(pszText, nullptr, 10)); |
5180 | 0 | } |
5181 | 0 | else |
5182 | 0 | { |
5183 | 0 | m_bNoDataSet = true; |
5184 | 0 | m_dfNoDataValue = CPLAtofM(pszText); |
5185 | 0 | if (m_nBitsPerSample == 32 && |
5186 | 0 | m_nSampleFormat == SAMPLEFORMAT_IEEEFP) |
5187 | 0 | { |
5188 | 0 | m_dfNoDataValue = |
5189 | 0 | GDALAdjustNoDataCloseToFloatMax(m_dfNoDataValue); |
5190 | 0 | m_dfNoDataValue = static_cast<float>(m_dfNoDataValue); |
5191 | 0 | } |
5192 | 0 | } |
5193 | 0 | } |
5194 | | |
5195 | | /* -------------------------------------------------------------------- */ |
5196 | | /* Capture the color table if there is one. */ |
5197 | | /* -------------------------------------------------------------------- */ |
5198 | 0 | unsigned short *panRed = nullptr; |
5199 | 0 | unsigned short *panGreen = nullptr; |
5200 | 0 | unsigned short *panBlue = nullptr; |
5201 | |
|
5202 | 0 | if (bTreatAsRGBA || m_nBitsPerSample > 16 || |
5203 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_COLORMAP, &panRed, &panGreen, &panBlue) == |
5204 | 0 | 0) |
5205 | 0 | { |
5206 | | // Build inverted palette if we have inverted photometric. |
5207 | | // Pixel values remains unchanged. Avoid doing this for *deep* |
5208 | | // data types (per #1882) |
5209 | 0 | if (m_nBitsPerSample <= 16 && m_nPhotometric == PHOTOMETRIC_MINISWHITE) |
5210 | 0 | { |
5211 | 0 | m_poColorTable = std::make_unique<GDALColorTable>(); |
5212 | 0 | const int nColorCount = 1 << m_nBitsPerSample; |
5213 | |
|
5214 | 0 | for (int iColor = 0; iColor < nColorCount; ++iColor) |
5215 | 0 | { |
5216 | 0 | const short nValue = static_cast<short>( |
5217 | 0 | ((255 * (nColorCount - 1 - iColor)) / (nColorCount - 1))); |
5218 | 0 | const GDALColorEntry oEntry = {nValue, nValue, nValue, |
5219 | 0 | static_cast<short>(255)}; |
5220 | 0 | m_poColorTable->SetColorEntry(iColor, &oEntry); |
5221 | 0 | } |
5222 | |
|
5223 | 0 | m_nPhotometric = PHOTOMETRIC_PALETTE; |
5224 | 0 | } |
5225 | 0 | else |
5226 | 0 | { |
5227 | 0 | m_poColorTable.reset(); |
5228 | 0 | } |
5229 | 0 | } |
5230 | 0 | else |
5231 | 0 | { |
5232 | 0 | const int nColorCount = 1 << m_nBitsPerSample; |
5233 | 0 | m_poColorTable = gdal::tiff_common::TIFFColorMapTagToColorTable( |
5234 | 0 | panRed, panGreen, panBlue, nColorCount, m_nColorTableMultiplier, |
5235 | 0 | DEFAULT_COLOR_TABLE_MULTIPLIER_257, m_bNoDataSet, m_dfNoDataValue); |
5236 | 0 | } |
5237 | | |
5238 | | /* -------------------------------------------------------------------- */ |
5239 | | /* Create band information objects. */ |
5240 | | /* -------------------------------------------------------------------- */ |
5241 | 0 | for (int iBand = 0; iBand < nBands; ++iBand) |
5242 | 0 | { |
5243 | 0 | if (bTreatAsRGBA) |
5244 | 0 | SetBand(iBand + 1, new GTiffRGBABand(this, iBand + 1)); |
5245 | 0 | else if (m_bTreatAsSplitBitmap) |
5246 | 0 | SetBand(iBand + 1, new GTiffSplitBitmapBand(this, iBand + 1)); |
5247 | 0 | else if (m_bTreatAsSplit) |
5248 | 0 | SetBand(iBand + 1, new GTiffSplitBand(this, iBand + 1)); |
5249 | 0 | else if (bTreatAsBitmap) |
5250 | 0 | SetBand(iBand + 1, new GTiffBitmapBand(this, iBand + 1)); |
5251 | 0 | else if (bTreatAsOdd) |
5252 | 0 | SetBand(iBand + 1, new GTiffOddBitsBand(this, iBand + 1)); |
5253 | 0 | else |
5254 | 0 | SetBand(iBand + 1, new GTiffRasterBand(this, iBand + 1)); |
5255 | 0 | } |
5256 | |
|
5257 | 0 | if (GetRasterBand(1)->GetRasterDataType() == GDT_Unknown) |
5258 | 0 | { |
5259 | 0 | ReportError(CE_Failure, CPLE_NotSupported, |
5260 | 0 | "Unsupported TIFF configuration: BitsPerSample(=%d) and " |
5261 | 0 | "SampleType(=%d)", |
5262 | 0 | m_nBitsPerSample, m_nSampleFormat); |
5263 | 0 | return CE_Failure; |
5264 | 0 | } |
5265 | | |
5266 | 0 | m_bReadGeoTransform = bReadGeoTransform; |
5267 | | |
5268 | | /* -------------------------------------------------------------------- */ |
5269 | | /* Capture some other potentially interesting information. */ |
5270 | | /* -------------------------------------------------------------------- */ |
5271 | 0 | char szWorkMDI[200] = {}; |
5272 | 0 | uint16_t nShort = 0; |
5273 | |
|
5274 | 0 | const auto *pasTIFFTags = GetTIFFTags(); |
5275 | 0 | for (size_t iTag = 0; pasTIFFTags[iTag].pszTagName; ++iTag) |
5276 | 0 | { |
5277 | 0 | if (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_STRING) |
5278 | 0 | { |
5279 | 0 | if (TIFFGetField(m_hTIFF, pasTIFFTags[iTag].nTagVal, &pszText)) |
5280 | 0 | m_oGTiffMDMD.SetMetadataItem(pasTIFFTags[iTag].pszTagName, |
5281 | 0 | pszText); |
5282 | 0 | } |
5283 | 0 | else if (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_FLOAT) |
5284 | 0 | { |
5285 | 0 | float fVal = 0.0; |
5286 | 0 | if (TIFFGetField(m_hTIFF, pasTIFFTags[iTag].nTagVal, &fVal)) |
5287 | 0 | { |
5288 | 0 | CPLsnprintf(szWorkMDI, sizeof(szWorkMDI), "%.8g", fVal); |
5289 | 0 | m_oGTiffMDMD.SetMetadataItem(pasTIFFTags[iTag].pszTagName, |
5290 | 0 | szWorkMDI); |
5291 | 0 | } |
5292 | 0 | } |
5293 | 0 | else if (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_SHORT && |
5294 | 0 | pasTIFFTags[iTag].nTagVal != TIFFTAG_RESOLUTIONUNIT) |
5295 | 0 | { |
5296 | 0 | if (TIFFGetField(m_hTIFF, pasTIFFTags[iTag].nTagVal, &nShort)) |
5297 | 0 | { |
5298 | 0 | snprintf(szWorkMDI, sizeof(szWorkMDI), "%d", nShort); |
5299 | 0 | m_oGTiffMDMD.SetMetadataItem(pasTIFFTags[iTag].pszTagName, |
5300 | 0 | szWorkMDI); |
5301 | 0 | } |
5302 | 0 | } |
5303 | 0 | else if (pasTIFFTags[iTag].eType == GTIFFTAGTYPE_BYTE_STRING) |
5304 | 0 | { |
5305 | 0 | uint32_t nCount = 0; |
5306 | 0 | if (TIFFGetField(m_hTIFF, pasTIFFTags[iTag].nTagVal, &nCount, |
5307 | 0 | &pszText)) |
5308 | 0 | { |
5309 | 0 | std::string osStr; |
5310 | 0 | osStr.assign(pszText, nCount); |
5311 | 0 | m_oGTiffMDMD.SetMetadataItem(pasTIFFTags[iTag].pszTagName, |
5312 | 0 | osStr.c_str()); |
5313 | 0 | } |
5314 | 0 | } |
5315 | 0 | } |
5316 | |
|
5317 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_RESOLUTIONUNIT, &nShort)) |
5318 | 0 | { |
5319 | 0 | if (nShort == RESUNIT_NONE) |
5320 | 0 | snprintf(szWorkMDI, sizeof(szWorkMDI), "%d (unitless)", nShort); |
5321 | 0 | else if (nShort == RESUNIT_INCH) |
5322 | 0 | snprintf(szWorkMDI, sizeof(szWorkMDI), "%d (pixels/inch)", nShort); |
5323 | 0 | else if (nShort == RESUNIT_CENTIMETER) |
5324 | 0 | snprintf(szWorkMDI, sizeof(szWorkMDI), "%d (pixels/cm)", nShort); |
5325 | 0 | else |
5326 | 0 | snprintf(szWorkMDI, sizeof(szWorkMDI), "%d", nShort); |
5327 | 0 | m_oGTiffMDMD.SetMetadataItem("TIFFTAG_RESOLUTIONUNIT", szWorkMDI); |
5328 | 0 | } |
5329 | |
|
5330 | 0 | int nTagSize = 0; |
5331 | 0 | void *pData = nullptr; |
5332 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_XMLPACKET, &nTagSize, &pData)) |
5333 | 0 | { |
5334 | 0 | char *pszXMP = static_cast<char *>(VSI_MALLOC_VERBOSE(nTagSize + 1)); |
5335 | 0 | if (pszXMP) |
5336 | 0 | { |
5337 | 0 | memcpy(pszXMP, pData, nTagSize); |
5338 | 0 | pszXMP[nTagSize] = '\0'; |
5339 | |
|
5340 | 0 | char *apszMDList[2] = {pszXMP, nullptr}; |
5341 | 0 | m_oGTiffMDMD.SetMetadata(apszMDList, "xml:XMP"); |
5342 | |
|
5343 | 0 | CPLFree(pszXMP); |
5344 | 0 | } |
5345 | 0 | } |
5346 | |
|
5347 | 0 | if (m_nCompression != COMPRESSION_NONE) |
5348 | 0 | { |
5349 | 0 | const char *pszCompressionMethodName = |
5350 | 0 | GTIFFGetCompressionMethodName(m_nCompression); |
5351 | 0 | if (pszCompressionMethodName) |
5352 | 0 | { |
5353 | 0 | m_oGTiffMDMD.SetMetadataItem( |
5354 | 0 | "COMPRESSION", pszCompressionMethodName, "IMAGE_STRUCTURE"); |
5355 | 0 | } |
5356 | 0 | else |
5357 | 0 | { |
5358 | 0 | CPLString oComp; |
5359 | 0 | oComp.Printf("%d", m_nCompression); |
5360 | 0 | m_oGTiffMDMD.SetMetadataItem("COMPRESSION", oComp.c_str()); |
5361 | 0 | } |
5362 | 0 | } |
5363 | |
|
5364 | 0 | if (m_nCompression == COMPRESSION_JPEG && |
5365 | 0 | m_nPhotometric == PHOTOMETRIC_YCBCR) |
5366 | 0 | { |
5367 | 0 | m_oGTiffMDMD.SetMetadataItem("COMPRESSION", "YCbCr JPEG", |
5368 | 0 | "IMAGE_STRUCTURE"); |
5369 | 0 | } |
5370 | 0 | else if (m_nCompression == COMPRESSION_LERC) |
5371 | 0 | { |
5372 | 0 | uint32_t nLercParamCount = 0; |
5373 | 0 | uint32_t *panLercParams = nullptr; |
5374 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_LERC_PARAMETERS, &nLercParamCount, |
5375 | 0 | &panLercParams) && |
5376 | 0 | nLercParamCount == 2) |
5377 | 0 | { |
5378 | 0 | memcpy(m_anLercAddCompressionAndVersion, panLercParams, |
5379 | 0 | sizeof(m_anLercAddCompressionAndVersion)); |
5380 | 0 | } |
5381 | |
|
5382 | 0 | uint32_t nAddVersion = LERC_ADD_COMPRESSION_NONE; |
5383 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_LERC_ADD_COMPRESSION, &nAddVersion) && |
5384 | 0 | nAddVersion != LERC_ADD_COMPRESSION_NONE) |
5385 | 0 | { |
5386 | 0 | if (nAddVersion == LERC_ADD_COMPRESSION_DEFLATE) |
5387 | 0 | { |
5388 | 0 | m_oGTiffMDMD.SetMetadataItem("COMPRESSION", "LERC_DEFLATE", |
5389 | 0 | "IMAGE_STRUCTURE"); |
5390 | 0 | } |
5391 | 0 | else if (nAddVersion == LERC_ADD_COMPRESSION_ZSTD) |
5392 | 0 | { |
5393 | 0 | m_oGTiffMDMD.SetMetadataItem("COMPRESSION", "LERC_ZSTD", |
5394 | 0 | "IMAGE_STRUCTURE"); |
5395 | 0 | } |
5396 | 0 | } |
5397 | 0 | uint32_t nLercVersion = LERC_VERSION_2_4; |
5398 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_LERC_VERSION, &nLercVersion)) |
5399 | 0 | { |
5400 | 0 | if (nLercVersion == LERC_VERSION_2_4) |
5401 | 0 | { |
5402 | 0 | m_oGTiffMDMD.SetMetadataItem("LERC_VERSION", "2.4", |
5403 | 0 | "IMAGE_STRUCTURE"); |
5404 | 0 | } |
5405 | 0 | else |
5406 | 0 | { |
5407 | 0 | ReportError(CE_Warning, CPLE_AppDefined, |
5408 | 0 | "Unknown Lerc version: %d", nLercVersion); |
5409 | 0 | } |
5410 | 0 | } |
5411 | 0 | } |
5412 | |
|
5413 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && nBands != 1) |
5414 | 0 | m_oGTiffMDMD.SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE"); |
5415 | 0 | else |
5416 | 0 | m_oGTiffMDMD.SetMetadataItem("INTERLEAVE", "BAND", "IMAGE_STRUCTURE"); |
5417 | |
|
5418 | 0 | if ((GetRasterBand(1)->GetRasterDataType() == GDT_Byte && |
5419 | 0 | m_nBitsPerSample != 8) || |
5420 | 0 | (GetRasterBand(1)->GetRasterDataType() == GDT_UInt16 && |
5421 | 0 | m_nBitsPerSample != 16) || |
5422 | 0 | ((GetRasterBand(1)->GetRasterDataType() == GDT_UInt32 || |
5423 | 0 | GetRasterBand(1)->GetRasterDataType() == GDT_Float32) && |
5424 | 0 | m_nBitsPerSample != 32)) |
5425 | 0 | { |
5426 | 0 | for (int i = 0; i < nBands; ++i) |
5427 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(i + 1)) |
5428 | 0 | ->m_oGTiffMDMD.SetMetadataItem( |
5429 | 0 | "NBITS", |
5430 | 0 | CPLString().Printf("%d", |
5431 | 0 | static_cast<int>(m_nBitsPerSample)), |
5432 | 0 | "IMAGE_STRUCTURE"); |
5433 | 0 | } |
5434 | |
|
5435 | 0 | if (bMinIsWhite) |
5436 | 0 | m_oGTiffMDMD.SetMetadataItem("MINISWHITE", "YES", "IMAGE_STRUCTURE"); |
5437 | |
|
5438 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_GDAL_METADATA, &pszText)) |
5439 | 0 | { |
5440 | 0 | CPLXMLNode *psRoot = CPLParseXMLString(pszText); |
5441 | 0 | const CPLXMLNode *psItem = |
5442 | 0 | psRoot ? CPLGetXMLNode(psRoot, "=GDALMetadata") : nullptr; |
5443 | 0 | if (psItem) |
5444 | 0 | psItem = psItem->psChild; |
5445 | 0 | bool bMaxZErrorFound = false; |
5446 | 0 | bool bMaxZErrorOverviewFound = false; |
5447 | 0 | for (; psItem != nullptr; psItem = psItem->psNext) |
5448 | 0 | { |
5449 | |
|
5450 | 0 | if (psItem->eType != CXT_Element || |
5451 | 0 | !EQUAL(psItem->pszValue, "Item")) |
5452 | 0 | continue; |
5453 | | |
5454 | 0 | const char *pszKey = CPLGetXMLValue(psItem, "name", nullptr); |
5455 | 0 | const char *pszValue = CPLGetXMLValue(psItem, nullptr, nullptr); |
5456 | 0 | int nBand = atoi(CPLGetXMLValue(psItem, "sample", "-1")); |
5457 | 0 | if (nBand < -1 || nBand > 65535) |
5458 | 0 | continue; |
5459 | 0 | nBand++; |
5460 | 0 | const char *pszRole = CPLGetXMLValue(psItem, "role", ""); |
5461 | 0 | const char *pszDomain = CPLGetXMLValue(psItem, "domain", ""); |
5462 | |
|
5463 | 0 | if (pszKey == nullptr || pszValue == nullptr) |
5464 | 0 | continue; |
5465 | 0 | if (EQUAL(pszDomain, "IMAGE_STRUCTURE")) |
5466 | 0 | { |
5467 | 0 | if (EQUAL(pszKey, "INTERLEAVE")) |
5468 | 0 | { |
5469 | 0 | if (EQUAL(pszValue, "TILE")) |
5470 | 0 | { |
5471 | 0 | m_bTileInterleave = true; |
5472 | 0 | m_oGTiffMDMD.SetMetadataItem("INTERLEAVE", "TILE", |
5473 | 0 | "IMAGE_STRUCTURE"); |
5474 | 0 | } |
5475 | 0 | else |
5476 | 0 | { |
5477 | 0 | CPLDebug("GTiff", |
5478 | 0 | "Unhandled INTERLEAVE=%s found in " |
5479 | 0 | "GDAL_METADATA tag", |
5480 | 0 | pszValue); |
5481 | 0 | } |
5482 | 0 | } |
5483 | 0 | else if (m_nCompression == COMPRESSION_WEBP && |
5484 | 0 | EQUAL(pszKey, "COMPRESSION_REVERSIBILITY")) |
5485 | 0 | { |
5486 | 0 | if (EQUAL(pszValue, "LOSSLESS")) |
5487 | 0 | m_bWebPLossless = true; |
5488 | 0 | else if (EQUAL(pszValue, "LOSSY")) |
5489 | 0 | m_bWebPLossless = false; |
5490 | 0 | } |
5491 | 0 | else if (m_nCompression == COMPRESSION_WEBP && |
5492 | 0 | EQUAL(pszKey, "WEBP_LEVEL")) |
5493 | 0 | { |
5494 | 0 | const int nLevel = atoi(pszValue); |
5495 | 0 | if (nLevel >= 1 && nLevel <= 100) |
5496 | 0 | { |
5497 | 0 | m_oGTiffMDMD.SetMetadataItem( |
5498 | 0 | "COMPRESSION_REVERSIBILITY", "LOSSY", |
5499 | 0 | "IMAGE_STRUCTURE"); |
5500 | 0 | m_bWebPLossless = false; |
5501 | 0 | m_nWebPLevel = static_cast<signed char>(nLevel); |
5502 | 0 | } |
5503 | 0 | } |
5504 | 0 | else if (m_nCompression == COMPRESSION_LERC && |
5505 | 0 | EQUAL(pszKey, "MAX_Z_ERROR")) |
5506 | 0 | { |
5507 | 0 | bMaxZErrorFound = true; |
5508 | 0 | m_dfMaxZError = CPLAtof(pszValue); |
5509 | 0 | } |
5510 | 0 | else if (m_nCompression == COMPRESSION_LERC && |
5511 | 0 | EQUAL(pszKey, "MAX_Z_ERROR_OVERVIEW")) |
5512 | 0 | { |
5513 | 0 | bMaxZErrorOverviewFound = true; |
5514 | 0 | m_dfMaxZErrorOverview = CPLAtof(pszValue); |
5515 | 0 | } |
5516 | | #if HAVE_JXL |
5517 | | else if ((m_nCompression == COMPRESSION_JXL || |
5518 | | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
5519 | | EQUAL(pszKey, "COMPRESSION_REVERSIBILITY")) |
5520 | | { |
5521 | | if (EQUAL(pszValue, "LOSSLESS")) |
5522 | | m_bJXLLossless = true; |
5523 | | else if (EQUAL(pszValue, "LOSSY")) |
5524 | | m_bJXLLossless = false; |
5525 | | } |
5526 | | else if ((m_nCompression == COMPRESSION_JXL || |
5527 | | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
5528 | | EQUAL(pszKey, "JXL_DISTANCE")) |
5529 | | { |
5530 | | const double dfVal = CPLAtof(pszValue); |
5531 | | if (dfVal > 0 && dfVal <= 15) |
5532 | | { |
5533 | | m_oGTiffMDMD.SetMetadataItem( |
5534 | | "COMPRESSION_REVERSIBILITY", "LOSSY", |
5535 | | "IMAGE_STRUCTURE"); |
5536 | | m_bJXLLossless = false; |
5537 | | m_fJXLDistance = static_cast<float>(dfVal); |
5538 | | } |
5539 | | } |
5540 | | else if ((m_nCompression == COMPRESSION_JXL || |
5541 | | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
5542 | | EQUAL(pszKey, "JXL_ALPHA_DISTANCE")) |
5543 | | { |
5544 | | const double dfVal = CPLAtof(pszValue); |
5545 | | if (dfVal > 0 && dfVal <= 15) |
5546 | | { |
5547 | | m_oGTiffMDMD.SetMetadataItem( |
5548 | | "COMPRESSION_REVERSIBILITY", "LOSSY", |
5549 | | "IMAGE_STRUCTURE"); |
5550 | | m_fJXLAlphaDistance = static_cast<float>(dfVal); |
5551 | | } |
5552 | | } |
5553 | | else if ((m_nCompression == COMPRESSION_JXL || |
5554 | | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
5555 | | EQUAL(pszKey, "JXL_EFFORT")) |
5556 | | { |
5557 | | const int nEffort = atoi(pszValue); |
5558 | | if (nEffort >= 1 && nEffort <= 9) |
5559 | | { |
5560 | | m_nJXLEffort = nEffort; |
5561 | | } |
5562 | | } |
5563 | | #endif |
5564 | 0 | else |
5565 | 0 | { |
5566 | 0 | continue; |
5567 | 0 | } |
5568 | 0 | } |
5569 | | |
5570 | 0 | bool bIsXML = false; |
5571 | |
|
5572 | 0 | if (STARTS_WITH_CI(pszDomain, "xml:")) |
5573 | 0 | bIsXML = TRUE; |
5574 | | |
5575 | | // Note: this un-escaping should not normally be done, as the |
5576 | | // deserialization of the tree from XML also does it, so we end up |
5577 | | // width double XML escaping, but keep it for backward |
5578 | | // compatibility. |
5579 | 0 | char *pszUnescapedValue = |
5580 | 0 | CPLUnescapeString(pszValue, nullptr, CPLES_XML); |
5581 | 0 | if (nBand == 0) |
5582 | 0 | { |
5583 | 0 | if (bIsXML) |
5584 | 0 | { |
5585 | 0 | char *apszMD[2] = {pszUnescapedValue, nullptr}; |
5586 | 0 | m_oGTiffMDMD.SetMetadata(apszMD, pszDomain); |
5587 | 0 | } |
5588 | 0 | else |
5589 | 0 | { |
5590 | 0 | m_oGTiffMDMD.SetMetadataItem(pszKey, pszUnescapedValue, |
5591 | 0 | pszDomain); |
5592 | 0 | } |
5593 | 0 | } |
5594 | 0 | else |
5595 | 0 | { |
5596 | 0 | GTiffRasterBand *poBand = |
5597 | 0 | cpl::down_cast<GTiffRasterBand *>(GetRasterBand(nBand)); |
5598 | 0 | if (poBand != nullptr) |
5599 | 0 | { |
5600 | 0 | if (EQUAL(pszRole, "scale")) |
5601 | 0 | { |
5602 | 0 | poBand->m_bHaveOffsetScale = true; |
5603 | 0 | poBand->m_dfScale = CPLAtofM(pszUnescapedValue); |
5604 | 0 | } |
5605 | 0 | else if (EQUAL(pszRole, "offset")) |
5606 | 0 | { |
5607 | 0 | poBand->m_bHaveOffsetScale = true; |
5608 | 0 | poBand->m_dfOffset = CPLAtofM(pszUnescapedValue); |
5609 | 0 | } |
5610 | 0 | else if (EQUAL(pszRole, "unittype")) |
5611 | 0 | { |
5612 | 0 | poBand->m_osUnitType = pszUnescapedValue; |
5613 | 0 | } |
5614 | 0 | else if (EQUAL(pszRole, "description")) |
5615 | 0 | { |
5616 | 0 | poBand->m_osDescription = pszUnescapedValue; |
5617 | 0 | } |
5618 | 0 | else if (EQUAL(pszRole, "colorinterp")) |
5619 | 0 | { |
5620 | 0 | if (EQUAL(pszUnescapedValue, "undefined")) |
5621 | 0 | poBand->m_eBandInterp = GCI_Undefined; |
5622 | 0 | else |
5623 | 0 | { |
5624 | 0 | poBand->m_eBandInterp = |
5625 | 0 | GDALGetColorInterpretationByName( |
5626 | 0 | pszUnescapedValue); |
5627 | 0 | if (poBand->m_eBandInterp == GCI_Undefined) |
5628 | 0 | { |
5629 | 0 | poBand->m_oGTiffMDMD.SetMetadataItem( |
5630 | 0 | "COLOR_INTERPRETATION", pszUnescapedValue); |
5631 | 0 | } |
5632 | 0 | } |
5633 | 0 | } |
5634 | 0 | else |
5635 | 0 | { |
5636 | 0 | if (bIsXML) |
5637 | 0 | { |
5638 | 0 | char *apszMD[2] = {pszUnescapedValue, nullptr}; |
5639 | 0 | poBand->m_oGTiffMDMD.SetMetadata(apszMD, pszDomain); |
5640 | 0 | } |
5641 | 0 | else |
5642 | 0 | { |
5643 | 0 | poBand->m_oGTiffMDMD.SetMetadataItem( |
5644 | 0 | pszKey, pszUnescapedValue, pszDomain); |
5645 | 0 | } |
5646 | 0 | } |
5647 | 0 | } |
5648 | 0 | } |
5649 | 0 | CPLFree(pszUnescapedValue); |
5650 | 0 | } |
5651 | |
|
5652 | 0 | if (bMaxZErrorFound && !bMaxZErrorOverviewFound) |
5653 | 0 | { |
5654 | 0 | m_dfMaxZErrorOverview = m_dfMaxZError; |
5655 | 0 | } |
5656 | |
|
5657 | 0 | CPLDestroyXMLNode(psRoot); |
5658 | 0 | } |
5659 | |
|
5660 | 0 | if (m_bStreamingIn) |
5661 | 0 | { |
5662 | 0 | toff_t *panOffsets = nullptr; |
5663 | 0 | TIFFGetField(m_hTIFF, |
5664 | 0 | TIFFIsTiled(m_hTIFF) ? TIFFTAG_TILEOFFSETS |
5665 | 0 | : TIFFTAG_STRIPOFFSETS, |
5666 | 0 | &panOffsets); |
5667 | 0 | if (panOffsets) |
5668 | 0 | { |
5669 | 0 | int nBlockCount = TIFFIsTiled(m_hTIFF) |
5670 | 0 | ? TIFFNumberOfTiles(m_hTIFF) |
5671 | 0 | : TIFFNumberOfStrips(m_hTIFF); |
5672 | 0 | for (int i = 1; i < nBlockCount; ++i) |
5673 | 0 | { |
5674 | 0 | if (panOffsets[i] < panOffsets[i - 1]) |
5675 | 0 | { |
5676 | 0 | m_oGTiffMDMD.SetMetadataItem("UNORDERED_BLOCKS", "YES", |
5677 | 0 | "TIFF"); |
5678 | 0 | CPLDebug("GTIFF", |
5679 | 0 | "Offset of block %d is lower than previous block. " |
5680 | 0 | "Reader must be careful", |
5681 | 0 | i); |
5682 | 0 | break; |
5683 | 0 | } |
5684 | 0 | } |
5685 | 0 | } |
5686 | 0 | } |
5687 | |
|
5688 | 0 | if (m_nCompression == COMPRESSION_JPEG) |
5689 | 0 | { |
5690 | 0 | bool bHasQuantizationTable = false; |
5691 | 0 | bool bHasHuffmanTable = false; |
5692 | 0 | int nQuality = |
5693 | 0 | GuessJPEGQuality(bHasQuantizationTable, bHasHuffmanTable); |
5694 | 0 | if (nQuality > 0) |
5695 | 0 | { |
5696 | 0 | m_oGTiffMDMD.SetMetadataItem( |
5697 | 0 | "JPEG_QUALITY", CPLSPrintf("%d", nQuality), "IMAGE_STRUCTURE"); |
5698 | 0 | int nJpegTablesMode = JPEGTABLESMODE_QUANT; |
5699 | 0 | if (bHasHuffmanTable) |
5700 | 0 | { |
5701 | 0 | nJpegTablesMode |= JPEGTABLESMODE_HUFF; |
5702 | 0 | } |
5703 | 0 | m_oGTiffMDMD.SetMetadataItem("JPEGTABLESMODE", |
5704 | 0 | CPLSPrintf("%d", nJpegTablesMode), |
5705 | 0 | "IMAGE_STRUCTURE"); |
5706 | 0 | } |
5707 | 0 | if (eAccess == GA_Update) |
5708 | 0 | { |
5709 | 0 | SetJPEGQualityAndTablesModeFromFile(nQuality, bHasQuantizationTable, |
5710 | 0 | bHasHuffmanTable); |
5711 | 0 | } |
5712 | 0 | } |
5713 | 0 | else if (eAccess == GA_Update && |
5714 | 0 | m_oGTiffMDMD.GetMetadataItem("COMPRESSION_REVERSIBILITY", |
5715 | 0 | "IMAGE_STRUCTURE") == nullptr) |
5716 | 0 | { |
5717 | 0 | if (m_nCompression == COMPRESSION_WEBP) |
5718 | 0 | { |
5719 | 0 | const char *pszReversibility = |
5720 | 0 | GetMetadataItem("COMPRESSION_REVERSIBILITY", "IMAGE_STRUCTURE"); |
5721 | 0 | if (pszReversibility && strstr(pszReversibility, "LOSSLESS")) |
5722 | 0 | { |
5723 | 0 | m_bWebPLossless = true; |
5724 | 0 | } |
5725 | 0 | else if (pszReversibility && strstr(pszReversibility, "LOSSY")) |
5726 | 0 | { |
5727 | 0 | m_bWebPLossless = false; |
5728 | 0 | } |
5729 | 0 | } |
5730 | | #ifdef HAVE_JXL |
5731 | | else if (m_nCompression == COMPRESSION_JXL || |
5732 | | m_nCompression == COMPRESSION_JXL_DNG_1_7) |
5733 | | { |
5734 | | const char *pszReversibility = |
5735 | | GetMetadataItem("COMPRESSION_REVERSIBILITY", "IMAGE_STRUCTURE"); |
5736 | | if (pszReversibility && strstr(pszReversibility, "LOSSLESS")) |
5737 | | { |
5738 | | m_bJXLLossless = true; |
5739 | | } |
5740 | | else if (pszReversibility && strstr(pszReversibility, "LOSSY")) |
5741 | | { |
5742 | | m_bJXLLossless = false; |
5743 | | } |
5744 | | } |
5745 | | #endif |
5746 | 0 | } |
5747 | |
|
5748 | 0 | if (GTIFFSupportsPredictor(m_nCompression)) |
5749 | 0 | { |
5750 | 0 | uint16_t nPredictor = 0; |
5751 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_PREDICTOR, &nPredictor) && |
5752 | 0 | nPredictor > 1) |
5753 | 0 | { |
5754 | 0 | m_oGTiffMDMD.SetMetadataItem( |
5755 | 0 | "PREDICTOR", CPLSPrintf("%d", nPredictor), "IMAGE_STRUCTURE"); |
5756 | 0 | } |
5757 | 0 | } |
5758 | |
|
5759 | 0 | CPLAssert(m_bReadGeoTransform == bReadGeoTransform); |
5760 | 0 | CPLAssert(!m_bMetadataChanged); |
5761 | 0 | m_bMetadataChanged = false; |
5762 | |
|
5763 | 0 | return CE_None; |
5764 | 0 | } |
5765 | | |
5766 | | /************************************************************************/ |
5767 | | /* GetSiblingFiles() */ |
5768 | | /************************************************************************/ |
5769 | | |
5770 | | CSLConstList GTiffDataset::GetSiblingFiles() |
5771 | 0 | { |
5772 | 0 | if (m_bHasGotSiblingFiles) |
5773 | 0 | { |
5774 | 0 | return oOvManager.GetSiblingFiles(); |
5775 | 0 | } |
5776 | 0 | if (m_poBaseDS) |
5777 | 0 | { |
5778 | 0 | return m_poBaseDS->GetSiblingFiles(); |
5779 | 0 | } |
5780 | | |
5781 | 0 | m_bHasGotSiblingFiles = true; |
5782 | 0 | const int nMaxFiles = |
5783 | 0 | atoi(CPLGetConfigOption("GDAL_READDIR_LIMIT_ON_OPEN", "1000")); |
5784 | 0 | const std::string osDirname = CPLGetDirnameSafe(m_pszFilename); |
5785 | 0 | CPLStringList aosSiblingFiles(VSIReadDirEx(osDirname.c_str(), nMaxFiles)); |
5786 | 0 | if (nMaxFiles > 0 && aosSiblingFiles.size() > nMaxFiles) |
5787 | 0 | { |
5788 | 0 | CPLDebug("GTiff", "GDAL_READDIR_LIMIT_ON_OPEN reached on %s", |
5789 | 0 | osDirname.c_str()); |
5790 | 0 | aosSiblingFiles.clear(); |
5791 | 0 | } |
5792 | 0 | oOvManager.TransferSiblingFiles(aosSiblingFiles.StealList()); |
5793 | |
|
5794 | 0 | return oOvManager.GetSiblingFiles(); |
5795 | 0 | } |
5796 | | |
5797 | | /************************************************************************/ |
5798 | | /* IdentifyAuthorizedGeoreferencingSources() */ |
5799 | | /************************************************************************/ |
5800 | | |
5801 | | void GTiffDataset::IdentifyAuthorizedGeoreferencingSources() |
5802 | 0 | { |
5803 | 0 | if (m_bHasIdentifiedAuthorizedGeoreferencingSources) |
5804 | 0 | return; |
5805 | 0 | m_bHasIdentifiedAuthorizedGeoreferencingSources = true; |
5806 | 0 | CPLString osGeorefSources = CSLFetchNameValueDef( |
5807 | 0 | papszOpenOptions, "GEOREF_SOURCES", |
5808 | 0 | CPLGetConfigOption("GDAL_GEOREF_SOURCES", |
5809 | 0 | "PAM,INTERNAL,TABFILE,WORLDFILE,XML")); |
5810 | 0 | char **papszTokens = CSLTokenizeString2(osGeorefSources, ",", 0); |
5811 | 0 | m_nPAMGeorefSrcIndex = |
5812 | 0 | static_cast<signed char>(CSLFindString(papszTokens, "PAM")); |
5813 | 0 | m_nINTERNALGeorefSrcIndex = |
5814 | 0 | static_cast<signed char>(CSLFindString(papszTokens, "INTERNAL")); |
5815 | 0 | m_nTABFILEGeorefSrcIndex = |
5816 | 0 | static_cast<signed char>(CSLFindString(papszTokens, "TABFILE")); |
5817 | 0 | m_nWORLDFILEGeorefSrcIndex = |
5818 | 0 | static_cast<signed char>(CSLFindString(papszTokens, "WORLDFILE")); |
5819 | 0 | m_nXMLGeorefSrcIndex = |
5820 | 0 | static_cast<signed char>(CSLFindString(papszTokens, "XML")); |
5821 | 0 | CSLDestroy(papszTokens); |
5822 | 0 | } |
5823 | | |
5824 | | /************************************************************************/ |
5825 | | /* LoadGeoreferencingAndPamIfNeeded() */ |
5826 | | /************************************************************************/ |
5827 | | |
5828 | | void GTiffDataset::LoadGeoreferencingAndPamIfNeeded() |
5829 | | |
5830 | 0 | { |
5831 | 0 | if (!m_bReadGeoTransform && !m_bLoadPam) |
5832 | 0 | return; |
5833 | | |
5834 | 0 | IdentifyAuthorizedGeoreferencingSources(); |
5835 | | |
5836 | | /* -------------------------------------------------------------------- */ |
5837 | | /* Get the transform or gcps from the GeoTIFF file. */ |
5838 | | /* -------------------------------------------------------------------- */ |
5839 | 0 | if (m_bReadGeoTransform) |
5840 | 0 | { |
5841 | 0 | m_bReadGeoTransform = false; |
5842 | |
|
5843 | 0 | char *pszTabWKT = nullptr; |
5844 | 0 | double *padfTiePoints = nullptr; |
5845 | 0 | double *padfScale = nullptr; |
5846 | 0 | double *padfMatrix = nullptr; |
5847 | 0 | uint16_t nCount = 0; |
5848 | 0 | bool bPixelIsPoint = false; |
5849 | 0 | unsigned short nRasterType = 0; |
5850 | 0 | bool bPointGeoIgnore = false; |
5851 | |
|
5852 | 0 | std::set<signed char> aoSetPriorities; |
5853 | 0 | if (m_nINTERNALGeorefSrcIndex >= 0) |
5854 | 0 | aoSetPriorities.insert(m_nINTERNALGeorefSrcIndex); |
5855 | 0 | if (m_nTABFILEGeorefSrcIndex >= 0) |
5856 | 0 | aoSetPriorities.insert(m_nTABFILEGeorefSrcIndex); |
5857 | 0 | if (m_nWORLDFILEGeorefSrcIndex >= 0) |
5858 | 0 | aoSetPriorities.insert(m_nWORLDFILEGeorefSrcIndex); |
5859 | 0 | for (const auto nIndex : aoSetPriorities) |
5860 | 0 | { |
5861 | 0 | if (m_nINTERNALGeorefSrcIndex == nIndex) |
5862 | 0 | { |
5863 | 0 | GTIF *psGTIF = |
5864 | 0 | GTiffDataset::GTIFNew(m_hTIFF); // How expensive this is? |
5865 | |
|
5866 | 0 | if (psGTIF) |
5867 | 0 | { |
5868 | 0 | if (GDALGTIFKeyGetSHORT(psGTIF, GTRasterTypeGeoKey, |
5869 | 0 | &nRasterType, 0, 1) == 1 && |
5870 | 0 | nRasterType == static_cast<short>(RasterPixelIsPoint)) |
5871 | 0 | { |
5872 | 0 | bPixelIsPoint = true; |
5873 | 0 | bPointGeoIgnore = CPLTestBool(CPLGetConfigOption( |
5874 | 0 | "GTIFF_POINT_GEO_IGNORE", "FALSE")); |
5875 | 0 | } |
5876 | |
|
5877 | 0 | GTIFFree(psGTIF); |
5878 | 0 | } |
5879 | |
|
5880 | 0 | m_adfGeoTransform[0] = 0.0; |
5881 | 0 | m_adfGeoTransform[1] = 1.0; |
5882 | 0 | m_adfGeoTransform[2] = 0.0; |
5883 | 0 | m_adfGeoTransform[3] = 0.0; |
5884 | 0 | m_adfGeoTransform[4] = 0.0; |
5885 | 0 | m_adfGeoTransform[5] = 1.0; |
5886 | |
|
5887 | 0 | uint16_t nCountScale = 0; |
5888 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_GEOPIXELSCALE, &nCountScale, |
5889 | 0 | &padfScale) && |
5890 | 0 | nCountScale >= 2 && padfScale[0] != 0.0 && |
5891 | 0 | padfScale[1] != 0.0) |
5892 | 0 | { |
5893 | 0 | m_adfGeoTransform[1] = padfScale[0]; |
5894 | 0 | if (padfScale[1] < 0) |
5895 | 0 | { |
5896 | 0 | const char *pszOptionVal = CPLGetConfigOption( |
5897 | 0 | "GTIFF_HONOUR_NEGATIVE_SCALEY", nullptr); |
5898 | 0 | if (pszOptionVal == nullptr) |
5899 | 0 | { |
5900 | 0 | ReportError( |
5901 | 0 | CE_Warning, CPLE_AppDefined, |
5902 | 0 | "File with negative value for ScaleY in " |
5903 | 0 | "GeoPixelScale tag. This is rather " |
5904 | 0 | "unusual. GDAL, contrary to the GeoTIFF " |
5905 | 0 | "specification, assumes that the file " |
5906 | 0 | "was intended to be north-up, and will " |
5907 | 0 | "treat this file as if ScaleY was " |
5908 | 0 | "positive. You may override this behavior " |
5909 | 0 | "by setting the GTIFF_HONOUR_NEGATIVE_SCALEY " |
5910 | 0 | "configuration option to YES"); |
5911 | 0 | m_adfGeoTransform[5] = padfScale[1]; |
5912 | 0 | } |
5913 | 0 | else if (CPLTestBool(pszOptionVal)) |
5914 | 0 | { |
5915 | 0 | m_adfGeoTransform[5] = -padfScale[1]; |
5916 | 0 | } |
5917 | 0 | else |
5918 | 0 | { |
5919 | 0 | m_adfGeoTransform[5] = padfScale[1]; |
5920 | 0 | } |
5921 | 0 | } |
5922 | 0 | else |
5923 | 0 | { |
5924 | 0 | m_adfGeoTransform[5] = -padfScale[1]; |
5925 | 0 | } |
5926 | |
|
5927 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS, &nCount, |
5928 | 0 | &padfTiePoints) && |
5929 | 0 | nCount >= 6) |
5930 | 0 | { |
5931 | 0 | m_adfGeoTransform[0] = |
5932 | 0 | padfTiePoints[3] - |
5933 | 0 | padfTiePoints[0] * m_adfGeoTransform[1]; |
5934 | 0 | m_adfGeoTransform[3] = |
5935 | 0 | padfTiePoints[4] - |
5936 | 0 | padfTiePoints[1] * m_adfGeoTransform[5]; |
5937 | |
|
5938 | 0 | if (bPixelIsPoint && !bPointGeoIgnore) |
5939 | 0 | { |
5940 | 0 | m_adfGeoTransform[0] -= |
5941 | 0 | (m_adfGeoTransform[1] * 0.5 + |
5942 | 0 | m_adfGeoTransform[2] * 0.5); |
5943 | 0 | m_adfGeoTransform[3] -= |
5944 | 0 | (m_adfGeoTransform[4] * 0.5 + |
5945 | 0 | m_adfGeoTransform[5] * 0.5); |
5946 | 0 | } |
5947 | |
|
5948 | 0 | m_bGeoTransformValid = true; |
5949 | 0 | m_nGeoTransformGeorefSrcIndex = nIndex; |
5950 | |
|
5951 | 0 | if (nCountScale >= 3 && GetRasterCount() == 1 && |
5952 | 0 | (padfScale[2] != 0.0 || padfTiePoints[2] != 0.0 || |
5953 | 0 | padfTiePoints[5] != 0.0)) |
5954 | 0 | { |
5955 | 0 | LookForProjection(); |
5956 | 0 | if (!m_oSRS.IsEmpty() && m_oSRS.IsVertical()) |
5957 | 0 | { |
5958 | | /* modelTiePointTag = (pixel, line, z0, X, Y, |
5959 | | * Z0) */ |
5960 | | /* thus Z(some_point) = (z(some_point) - z0) * |
5961 | | * scaleZ + Z0 */ |
5962 | | /* equivalently written as */ |
5963 | | /* Z(some_point) = z(some_point) * scaleZ + |
5964 | | * offsetZ with */ |
5965 | | /* offsetZ = - z0 * scaleZ + Z0 */ |
5966 | 0 | double dfScale = padfScale[2]; |
5967 | 0 | double dfOffset = -padfTiePoints[2] * dfScale + |
5968 | 0 | padfTiePoints[5]; |
5969 | 0 | GTiffRasterBand *poBand = |
5970 | 0 | cpl::down_cast<GTiffRasterBand *>( |
5971 | 0 | GetRasterBand(1)); |
5972 | 0 | poBand->m_bHaveOffsetScale = true; |
5973 | 0 | poBand->m_dfScale = dfScale; |
5974 | 0 | poBand->m_dfOffset = dfOffset; |
5975 | 0 | } |
5976 | 0 | } |
5977 | 0 | } |
5978 | 0 | } |
5979 | | |
5980 | 0 | else if (TIFFGetField(m_hTIFF, TIFFTAG_GEOTRANSMATRIX, &nCount, |
5981 | 0 | &padfMatrix) && |
5982 | 0 | nCount == 16) |
5983 | 0 | { |
5984 | 0 | m_adfGeoTransform[0] = padfMatrix[3]; |
5985 | 0 | m_adfGeoTransform[1] = padfMatrix[0]; |
5986 | 0 | m_adfGeoTransform[2] = padfMatrix[1]; |
5987 | 0 | m_adfGeoTransform[3] = padfMatrix[7]; |
5988 | 0 | m_adfGeoTransform[4] = padfMatrix[4]; |
5989 | 0 | m_adfGeoTransform[5] = padfMatrix[5]; |
5990 | |
|
5991 | 0 | if (bPixelIsPoint && !bPointGeoIgnore) |
5992 | 0 | { |
5993 | 0 | m_adfGeoTransform[0] -= m_adfGeoTransform[1] * 0.5 + |
5994 | 0 | m_adfGeoTransform[2] * 0.5; |
5995 | 0 | m_adfGeoTransform[3] -= m_adfGeoTransform[4] * 0.5 + |
5996 | 0 | m_adfGeoTransform[5] * 0.5; |
5997 | 0 | } |
5998 | |
|
5999 | 0 | m_bGeoTransformValid = true; |
6000 | 0 | m_nGeoTransformGeorefSrcIndex = nIndex; |
6001 | 0 | } |
6002 | 0 | if (m_bGeoTransformValid) |
6003 | 0 | break; |
6004 | 0 | } |
6005 | | |
6006 | | /* -------------------------------------------------------------------- |
6007 | | */ |
6008 | | /* Otherwise try looking for a .tab, .tfw, .tifw or .wld file. |
6009 | | */ |
6010 | | /* -------------------------------------------------------------------- |
6011 | | */ |
6012 | 0 | if (m_nTABFILEGeorefSrcIndex == nIndex) |
6013 | 0 | { |
6014 | 0 | char *pszGeorefFilename = nullptr; |
6015 | |
|
6016 | 0 | CSLConstList papszSiblingFiles = GetSiblingFiles(); |
6017 | | |
6018 | | // Begin with .tab since it can also have projection info. |
6019 | 0 | int nGCPCount = 0; |
6020 | 0 | GDAL_GCP *pasGCPList = nullptr; |
6021 | 0 | const int bTabFileOK = GDALReadTabFile2( |
6022 | 0 | m_pszFilename, m_adfGeoTransform, &pszTabWKT, &nGCPCount, |
6023 | 0 | &pasGCPList, papszSiblingFiles, &pszGeorefFilename); |
6024 | |
|
6025 | 0 | if (bTabFileOK) |
6026 | 0 | { |
6027 | 0 | m_nGeoTransformGeorefSrcIndex = nIndex; |
6028 | | // if( pszTabWKT ) |
6029 | | // { |
6030 | | // m_nProjectionGeorefSrcIndex = nIndex; |
6031 | | // } |
6032 | 0 | m_aoGCPs = gdal::GCP::fromC(pasGCPList, nGCPCount); |
6033 | 0 | if (m_aoGCPs.empty()) |
6034 | 0 | { |
6035 | 0 | m_bGeoTransformValid = true; |
6036 | 0 | } |
6037 | 0 | } |
6038 | |
|
6039 | 0 | if (nGCPCount) |
6040 | 0 | { |
6041 | 0 | GDALDeinitGCPs(nGCPCount, pasGCPList); |
6042 | 0 | CPLFree(pasGCPList); |
6043 | 0 | } |
6044 | |
|
6045 | 0 | if (pszGeorefFilename) |
6046 | 0 | { |
6047 | 0 | CPLFree(m_pszGeorefFilename); |
6048 | 0 | m_pszGeorefFilename = pszGeorefFilename; |
6049 | 0 | pszGeorefFilename = nullptr; |
6050 | 0 | } |
6051 | 0 | if (m_bGeoTransformValid) |
6052 | 0 | break; |
6053 | 0 | } |
6054 | | |
6055 | 0 | if (m_nWORLDFILEGeorefSrcIndex == nIndex) |
6056 | 0 | { |
6057 | 0 | char *pszGeorefFilename = nullptr; |
6058 | |
|
6059 | 0 | CSLConstList papszSiblingFiles = GetSiblingFiles(); |
6060 | |
|
6061 | 0 | m_bGeoTransformValid = CPL_TO_BOOL(GDALReadWorldFile2( |
6062 | 0 | m_pszFilename, nullptr, m_adfGeoTransform, |
6063 | 0 | papszSiblingFiles, &pszGeorefFilename)); |
6064 | |
|
6065 | 0 | if (!m_bGeoTransformValid) |
6066 | 0 | { |
6067 | 0 | m_bGeoTransformValid = CPL_TO_BOOL(GDALReadWorldFile2( |
6068 | 0 | m_pszFilename, "wld", m_adfGeoTransform, |
6069 | 0 | papszSiblingFiles, &pszGeorefFilename)); |
6070 | 0 | } |
6071 | 0 | if (m_bGeoTransformValid) |
6072 | 0 | m_nGeoTransformGeorefSrcIndex = nIndex; |
6073 | |
|
6074 | 0 | if (pszGeorefFilename) |
6075 | 0 | { |
6076 | 0 | CPLFree(m_pszGeorefFilename); |
6077 | 0 | m_pszGeorefFilename = pszGeorefFilename; |
6078 | 0 | pszGeorefFilename = nullptr; |
6079 | 0 | } |
6080 | 0 | if (m_bGeoTransformValid) |
6081 | 0 | break; |
6082 | 0 | } |
6083 | 0 | } |
6084 | | |
6085 | | /* -------------------------------------------------------------------- |
6086 | | */ |
6087 | | /* Check for GCPs. */ |
6088 | | /* -------------------------------------------------------------------- |
6089 | | */ |
6090 | 0 | if (m_nINTERNALGeorefSrcIndex >= 0 && |
6091 | 0 | TIFFGetField(m_hTIFF, TIFFTAG_GEOTIEPOINTS, &nCount, |
6092 | 0 | &padfTiePoints) && |
6093 | 0 | !m_bGeoTransformValid) |
6094 | 0 | { |
6095 | 0 | m_aoGCPs.clear(); |
6096 | 0 | const int nNewGCPCount = nCount / 6; |
6097 | 0 | for (int iGCP = 0; iGCP < nNewGCPCount; ++iGCP) |
6098 | 0 | { |
6099 | 0 | m_aoGCPs.emplace_back(CPLSPrintf("%d", iGCP + 1), "", |
6100 | 0 | /* pixel = */ padfTiePoints[iGCP * 6 + 0], |
6101 | 0 | /* line = */ padfTiePoints[iGCP * 6 + 1], |
6102 | 0 | /* X = */ padfTiePoints[iGCP * 6 + 3], |
6103 | 0 | /* Y = */ padfTiePoints[iGCP * 6 + 4], |
6104 | 0 | /* Z = */ padfTiePoints[iGCP * 6 + 5]); |
6105 | |
|
6106 | 0 | if (bPixelIsPoint && !bPointGeoIgnore) |
6107 | 0 | { |
6108 | 0 | m_aoGCPs.back().Pixel() += 0.5; |
6109 | 0 | m_aoGCPs.back().Line() += 0.5; |
6110 | 0 | } |
6111 | 0 | } |
6112 | 0 | m_nGeoTransformGeorefSrcIndex = m_nINTERNALGeorefSrcIndex; |
6113 | 0 | } |
6114 | | |
6115 | | /* -------------------------------------------------------------------- |
6116 | | */ |
6117 | | /* Did we find a tab file? If so we will use its coordinate */ |
6118 | | /* system and give it precedence. */ |
6119 | | /* -------------------------------------------------------------------- |
6120 | | */ |
6121 | 0 | if (pszTabWKT != nullptr && m_oSRS.IsEmpty()) |
6122 | 0 | { |
6123 | 0 | m_oSRS.importFromWkt(pszTabWKT); |
6124 | 0 | m_bLookedForProjection = true; |
6125 | 0 | } |
6126 | |
|
6127 | 0 | CPLFree(pszTabWKT); |
6128 | 0 | } |
6129 | |
|
6130 | 0 | if (m_bLoadPam && m_nPAMGeorefSrcIndex >= 0) |
6131 | 0 | { |
6132 | | /* -------------------------------------------------------------------- |
6133 | | */ |
6134 | | /* Initialize any PAM information. */ |
6135 | | /* -------------------------------------------------------------------- |
6136 | | */ |
6137 | 0 | CPLAssert(!m_bColorProfileMetadataChanged); |
6138 | 0 | CPLAssert(!m_bMetadataChanged); |
6139 | 0 | CPLAssert(!m_bGeoTIFFInfoChanged); |
6140 | 0 | CPLAssert(!m_bNoDataChanged); |
6141 | | |
6142 | | // We must absolutely unset m_bLoadPam now, otherwise calling |
6143 | | // GetFileList() on a .tif with a .aux will result in an (almost) |
6144 | | // endless sequence of calls. |
6145 | 0 | m_bLoadPam = false; |
6146 | |
|
6147 | 0 | TryLoadXML(GetSiblingFiles()); |
6148 | 0 | ApplyPamInfo(); |
6149 | |
|
6150 | 0 | m_bColorProfileMetadataChanged = false; |
6151 | 0 | m_bMetadataChanged = false; |
6152 | 0 | m_bGeoTIFFInfoChanged = false; |
6153 | 0 | m_bNoDataChanged = false; |
6154 | 0 | } |
6155 | 0 | m_bLoadPam = false; |
6156 | 0 | } |
6157 | | |
6158 | | /************************************************************************/ |
6159 | | /* GetSpatialRef() */ |
6160 | | /************************************************************************/ |
6161 | | |
6162 | | const OGRSpatialReference *GTiffDataset::GetSpatialRef() const |
6163 | | |
6164 | 0 | { |
6165 | 0 | const_cast<GTiffDataset *>(this)->LoadGeoreferencingAndPamIfNeeded(); |
6166 | 0 | if (m_aoGCPs.empty()) |
6167 | 0 | { |
6168 | 0 | const_cast<GTiffDataset *>(this)->LookForProjection(); |
6169 | 0 | } |
6170 | |
|
6171 | 0 | return m_aoGCPs.empty() && !m_oSRS.IsEmpty() ? &m_oSRS : nullptr; |
6172 | 0 | } |
6173 | | |
6174 | | /************************************************************************/ |
6175 | | /* GetGeoTransform() */ |
6176 | | /************************************************************************/ |
6177 | | |
6178 | | CPLErr GTiffDataset::GetGeoTransform(double *padfTransform) |
6179 | | |
6180 | 0 | { |
6181 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6182 | |
|
6183 | 0 | memcpy(padfTransform, m_adfGeoTransform, sizeof(double) * 6); |
6184 | |
|
6185 | 0 | if (!m_bGeoTransformValid) |
6186 | 0 | return CE_Failure; |
6187 | | |
6188 | | // Same logic as in the .gtx driver, for the benefit of |
6189 | | // GDALOpenVerticalShiftGrid() when used with PROJ-data's US geoids. |
6190 | 0 | if (CPLFetchBool(papszOpenOptions, "SHIFT_ORIGIN_IN_MINUS_180_PLUS_180", |
6191 | 0 | false)) |
6192 | 0 | { |
6193 | 0 | if (padfTransform[0] < -180.0 - padfTransform[1]) |
6194 | 0 | padfTransform[0] += 360.0; |
6195 | 0 | else if (padfTransform[0] > 180.0) |
6196 | 0 | padfTransform[0] -= 360.0; |
6197 | 0 | } |
6198 | |
|
6199 | 0 | return CE_None; |
6200 | 0 | } |
6201 | | |
6202 | | /************************************************************************/ |
6203 | | /* GetGCPCount() */ |
6204 | | /************************************************************************/ |
6205 | | |
6206 | | int GTiffDataset::GetGCPCount() |
6207 | | |
6208 | 0 | { |
6209 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6210 | |
|
6211 | 0 | return static_cast<int>(m_aoGCPs.size()); |
6212 | 0 | } |
6213 | | |
6214 | | /************************************************************************/ |
6215 | | /* GetGCPSpatialRef() */ |
6216 | | /************************************************************************/ |
6217 | | |
6218 | | const OGRSpatialReference *GTiffDataset::GetGCPSpatialRef() const |
6219 | | |
6220 | 0 | { |
6221 | 0 | const_cast<GTiffDataset *>(this)->LoadGeoreferencingAndPamIfNeeded(); |
6222 | |
|
6223 | 0 | if (!m_aoGCPs.empty()) |
6224 | 0 | { |
6225 | 0 | const_cast<GTiffDataset *>(this)->LookForProjection(); |
6226 | 0 | } |
6227 | 0 | return !m_aoGCPs.empty() && !m_oSRS.IsEmpty() ? &m_oSRS : nullptr; |
6228 | 0 | } |
6229 | | |
6230 | | /************************************************************************/ |
6231 | | /* GetGCPs() */ |
6232 | | /************************************************************************/ |
6233 | | |
6234 | | const GDAL_GCP *GTiffDataset::GetGCPs() |
6235 | | |
6236 | 0 | { |
6237 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6238 | |
|
6239 | 0 | return gdal::GCP::c_ptr(m_aoGCPs); |
6240 | 0 | } |
6241 | | |
6242 | | /************************************************************************/ |
6243 | | /* GetMetadataDomainList() */ |
6244 | | /************************************************************************/ |
6245 | | |
6246 | | char **GTiffDataset::GetMetadataDomainList() |
6247 | 0 | { |
6248 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6249 | |
|
6250 | 0 | char **papszDomainList = CSLDuplicate(m_oGTiffMDMD.GetDomainList()); |
6251 | 0 | char **papszBaseList = GDALDataset::GetMetadataDomainList(); |
6252 | |
|
6253 | 0 | const int nbBaseDomains = CSLCount(papszBaseList); |
6254 | |
|
6255 | 0 | for (int domainId = 0; domainId < nbBaseDomains; ++domainId) |
6256 | 0 | { |
6257 | 0 | if (CSLFindString(papszDomainList, papszBaseList[domainId]) < 0) |
6258 | 0 | { |
6259 | 0 | papszDomainList = |
6260 | 0 | CSLAddString(papszDomainList, papszBaseList[domainId]); |
6261 | 0 | } |
6262 | 0 | } |
6263 | |
|
6264 | 0 | CSLDestroy(papszBaseList); |
6265 | |
|
6266 | 0 | return BuildMetadataDomainList(papszDomainList, TRUE, "", |
6267 | 0 | "ProxyOverviewRequest", MD_DOMAIN_RPC, |
6268 | 0 | MD_DOMAIN_IMD, "SUBDATASETS", "EXIF", |
6269 | 0 | "xml:XMP", "COLOR_PROFILE", nullptr); |
6270 | 0 | } |
6271 | | |
6272 | | /************************************************************************/ |
6273 | | /* GetMetadata() */ |
6274 | | /************************************************************************/ |
6275 | | |
6276 | | char **GTiffDataset::GetMetadata(const char *pszDomain) |
6277 | | |
6278 | 0 | { |
6279 | 0 | if (pszDomain != nullptr && EQUAL(pszDomain, "IMAGE_STRUCTURE")) |
6280 | 0 | { |
6281 | 0 | GTiffDataset::GetMetadataItem("COMPRESSION_REVERSIBILITY", pszDomain); |
6282 | 0 | } |
6283 | 0 | else |
6284 | 0 | { |
6285 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6286 | 0 | } |
6287 | |
|
6288 | 0 | if (pszDomain != nullptr && EQUAL(pszDomain, "ProxyOverviewRequest")) |
6289 | 0 | return GDALPamDataset::GetMetadata(pszDomain); |
6290 | | |
6291 | 0 | if (pszDomain != nullptr && EQUAL(pszDomain, "DERIVED_SUBDATASETS")) |
6292 | 0 | { |
6293 | 0 | return GDALDataset::GetMetadata(pszDomain); |
6294 | 0 | } |
6295 | | |
6296 | 0 | else if (pszDomain != nullptr && (EQUAL(pszDomain, MD_DOMAIN_RPC) || |
6297 | 0 | EQUAL(pszDomain, MD_DOMAIN_IMD) || |
6298 | 0 | EQUAL(pszDomain, MD_DOMAIN_IMAGERY))) |
6299 | 0 | LoadMetadata(); |
6300 | | |
6301 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS")) |
6302 | 0 | ScanDirectories(); |
6303 | | |
6304 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "EXIF")) |
6305 | 0 | LoadEXIFMetadata(); |
6306 | | |
6307 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "COLOR_PROFILE")) |
6308 | 0 | LoadICCProfile(); |
6309 | | |
6310 | 0 | else if (pszDomain == nullptr || EQUAL(pszDomain, "")) |
6311 | 0 | LoadMDAreaOrPoint(); // To set GDALMD_AREA_OR_POINT. |
6312 | | |
6313 | 0 | return m_oGTiffMDMD.GetMetadata(pszDomain); |
6314 | 0 | } |
6315 | | |
6316 | | /************************************************************************/ |
6317 | | /* GetMetadataItem() */ |
6318 | | /************************************************************************/ |
6319 | | |
6320 | | const char *GTiffDataset::GetMetadataItem(const char *pszName, |
6321 | | const char *pszDomain) |
6322 | | |
6323 | 0 | { |
6324 | 0 | if (pszDomain != nullptr && EQUAL(pszDomain, "IMAGE_STRUCTURE")) |
6325 | 0 | { |
6326 | 0 | if ((m_nCompression == COMPRESSION_WEBP || |
6327 | 0 | m_nCompression == COMPRESSION_JXL || |
6328 | 0 | m_nCompression == COMPRESSION_JXL_DNG_1_7) && |
6329 | 0 | EQUAL(pszName, "COMPRESSION_REVERSIBILITY") && |
6330 | 0 | m_oGTiffMDMD.GetMetadataItem("COMPRESSION_REVERSIBILITY", |
6331 | 0 | "IMAGE_STRUCTURE") == nullptr) |
6332 | 0 | { |
6333 | 0 | const char *pszDriverName = |
6334 | 0 | m_nCompression == COMPRESSION_WEBP ? "WEBP" : "JPEGXL"; |
6335 | 0 | auto poTileDriver = GDALGetDriverByName(pszDriverName); |
6336 | 0 | if (poTileDriver) |
6337 | 0 | { |
6338 | 0 | vsi_l_offset nOffset = 0; |
6339 | 0 | vsi_l_offset nSize = 0; |
6340 | 0 | IsBlockAvailable(0, &nOffset, &nSize, nullptr); |
6341 | 0 | if (nSize > 0) |
6342 | 0 | { |
6343 | 0 | const std::string osSubfile( |
6344 | 0 | CPLSPrintf("/vsisubfile/" CPL_FRMT_GUIB "_%d,%s", |
6345 | 0 | static_cast<GUIntBig>(nOffset), |
6346 | 0 | static_cast<int>(std::min( |
6347 | 0 | static_cast<vsi_l_offset>(1024), nSize)), |
6348 | 0 | m_pszFilename)); |
6349 | 0 | const char *const apszDrivers[] = {pszDriverName, nullptr}; |
6350 | 0 | auto poWebPDataset = |
6351 | 0 | std::unique_ptr<GDALDataset>(GDALDataset::Open( |
6352 | 0 | osSubfile.c_str(), GDAL_OF_RASTER, apszDrivers)); |
6353 | 0 | if (poWebPDataset) |
6354 | 0 | { |
6355 | 0 | const char *pszReversibility = |
6356 | 0 | poWebPDataset->GetMetadataItem( |
6357 | 0 | "COMPRESSION_REVERSIBILITY", "IMAGE_STRUCTURE"); |
6358 | 0 | if (pszReversibility) |
6359 | 0 | m_oGTiffMDMD.SetMetadataItem( |
6360 | 0 | "COMPRESSION_REVERSIBILITY", pszReversibility, |
6361 | 0 | "IMAGE_STRUCTURE"); |
6362 | 0 | } |
6363 | 0 | } |
6364 | 0 | } |
6365 | 0 | } |
6366 | 0 | } |
6367 | 0 | else |
6368 | 0 | { |
6369 | 0 | LoadGeoreferencingAndPamIfNeeded(); |
6370 | 0 | } |
6371 | |
|
6372 | 0 | if (pszDomain != nullptr && EQUAL(pszDomain, "ProxyOverviewRequest")) |
6373 | 0 | { |
6374 | 0 | return GDALPamDataset::GetMetadataItem(pszName, pszDomain); |
6375 | 0 | } |
6376 | 0 | else if (pszDomain != nullptr && (EQUAL(pszDomain, MD_DOMAIN_RPC) || |
6377 | 0 | EQUAL(pszDomain, MD_DOMAIN_IMD) || |
6378 | 0 | EQUAL(pszDomain, MD_DOMAIN_IMAGERY))) |
6379 | 0 | { |
6380 | 0 | LoadMetadata(); |
6381 | 0 | } |
6382 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "SUBDATASETS")) |
6383 | 0 | { |
6384 | 0 | ScanDirectories(); |
6385 | 0 | } |
6386 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "EXIF")) |
6387 | 0 | { |
6388 | 0 | LoadEXIFMetadata(); |
6389 | 0 | } |
6390 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "COLOR_PROFILE")) |
6391 | 0 | { |
6392 | 0 | LoadICCProfile(); |
6393 | 0 | } |
6394 | 0 | else if ((pszDomain == nullptr || EQUAL(pszDomain, "")) && |
6395 | 0 | pszName != nullptr && EQUAL(pszName, GDALMD_AREA_OR_POINT)) |
6396 | 0 | { |
6397 | 0 | LoadMDAreaOrPoint(); // To set GDALMD_AREA_OR_POINT. |
6398 | 0 | } |
6399 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "_DEBUG_") && |
6400 | 0 | pszName != nullptr) |
6401 | 0 | { |
6402 | | #ifdef DEBUG_REACHED_VIRTUAL_MEM_IO |
6403 | | if (EQUAL(pszName, "UNREACHED_VIRTUALMEMIO_CODE_PATH")) |
6404 | | { |
6405 | | CPLString osMissing; |
6406 | | for (int i = 0; |
6407 | | i < static_cast<int>(CPL_ARRAYSIZE(anReachedVirtualMemIO)); |
6408 | | ++i) |
6409 | | { |
6410 | | if (!anReachedVirtualMemIO[i]) |
6411 | | { |
6412 | | if (!osMissing.empty()) |
6413 | | osMissing += ","; |
6414 | | osMissing += CPLSPrintf("%d", i); |
6415 | | } |
6416 | | } |
6417 | | return (osMissing.size()) ? CPLSPrintf("%s", osMissing.c_str()) |
6418 | | : nullptr; |
6419 | | } |
6420 | | else |
6421 | | #endif |
6422 | 0 | if (EQUAL(pszName, "TIFFTAG_EXTRASAMPLES")) |
6423 | 0 | { |
6424 | 0 | CPLString osRet; |
6425 | 0 | uint16_t *v = nullptr; |
6426 | 0 | uint16_t count = 0; |
6427 | |
|
6428 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_EXTRASAMPLES, &count, &v)) |
6429 | 0 | { |
6430 | 0 | for (int i = 0; i < static_cast<int>(count); ++i) |
6431 | 0 | { |
6432 | 0 | if (i > 0) |
6433 | 0 | osRet += ","; |
6434 | 0 | osRet += CPLSPrintf("%d", v[i]); |
6435 | 0 | } |
6436 | 0 | } |
6437 | 0 | return (osRet.size()) ? CPLSPrintf("%s", osRet.c_str()) : nullptr; |
6438 | 0 | } |
6439 | 0 | else if (EQUAL(pszName, "TIFFTAG_PHOTOMETRIC")) |
6440 | 0 | { |
6441 | 0 | return CPLSPrintf("%d", m_nPhotometric); |
6442 | 0 | } |
6443 | | |
6444 | 0 | else if (EQUAL(pszName, "TIFFTAG_GDAL_METADATA")) |
6445 | 0 | { |
6446 | 0 | char *pszText = nullptr; |
6447 | 0 | if (!TIFFGetField(m_hTIFF, TIFFTAG_GDAL_METADATA, &pszText)) |
6448 | 0 | return nullptr; |
6449 | | |
6450 | 0 | return pszText; |
6451 | 0 | } |
6452 | 0 | else if (EQUAL(pszName, "HAS_USED_READ_ENCODED_API")) |
6453 | 0 | { |
6454 | 0 | return m_bHasUsedReadEncodedAPI ? "1" : "0"; |
6455 | 0 | } |
6456 | 0 | else if (EQUAL(pszName, "WEBP_LOSSLESS")) |
6457 | 0 | { |
6458 | 0 | return m_bWebPLossless ? "1" : "0"; |
6459 | 0 | } |
6460 | 0 | else if (EQUAL(pszName, "WEBP_LEVEL")) |
6461 | 0 | { |
6462 | 0 | return CPLSPrintf("%d", m_nWebPLevel); |
6463 | 0 | } |
6464 | 0 | else if (EQUAL(pszName, "MAX_Z_ERROR")) |
6465 | 0 | { |
6466 | 0 | return CPLSPrintf("%f", m_dfMaxZError); |
6467 | 0 | } |
6468 | 0 | else if (EQUAL(pszName, "MAX_Z_ERROR_OVERVIEW")) |
6469 | 0 | { |
6470 | 0 | return CPLSPrintf("%f", m_dfMaxZErrorOverview); |
6471 | 0 | } |
6472 | | #if HAVE_JXL |
6473 | | else if (EQUAL(pszName, "JXL_LOSSLESS")) |
6474 | | { |
6475 | | return m_bJXLLossless ? "1" : "0"; |
6476 | | } |
6477 | | else if (EQUAL(pszName, "JXL_DISTANCE")) |
6478 | | { |
6479 | | return CPLSPrintf("%f", m_fJXLDistance); |
6480 | | } |
6481 | | else if (EQUAL(pszName, "JXL_ALPHA_DISTANCE")) |
6482 | | { |
6483 | | return CPLSPrintf("%f", m_fJXLAlphaDistance); |
6484 | | } |
6485 | | else if (EQUAL(pszName, "JXL_EFFORT")) |
6486 | | { |
6487 | | return CPLSPrintf("%u", m_nJXLEffort); |
6488 | | } |
6489 | | #endif |
6490 | 0 | return nullptr; |
6491 | 0 | } |
6492 | | |
6493 | 0 | else if (pszDomain != nullptr && EQUAL(pszDomain, "TIFF") && |
6494 | 0 | pszName != nullptr) |
6495 | 0 | { |
6496 | 0 | if (EQUAL(pszName, "GDAL_STRUCTURAL_METADATA")) |
6497 | 0 | { |
6498 | 0 | const auto nOffset = VSIFTellL(m_fpL); |
6499 | 0 | VSIFSeekL(m_fpL, 0, SEEK_SET); |
6500 | 0 | GByte abyData[1024]; |
6501 | 0 | size_t nRead = VSIFReadL(abyData, 1, sizeof(abyData) - 1, m_fpL); |
6502 | 0 | abyData[nRead] = 0; |
6503 | 0 | VSIFSeekL(m_fpL, nOffset, SEEK_SET); |
6504 | 0 | if (nRead > 4) |
6505 | 0 | { |
6506 | 0 | const int nOffsetOfStructuralMetadata = |
6507 | 0 | (abyData[2] == 0x2B || abyData[3] == 0x2B) ? 16 : 8; |
6508 | 0 | const int nSizePatternLen = |
6509 | 0 | static_cast<int>(strlen("XXXXXX bytes\n")); |
6510 | 0 | if (nRead > nOffsetOfStructuralMetadata + |
6511 | 0 | strlen("GDAL_STRUCTURAL_METADATA_SIZE=") + |
6512 | 0 | nSizePatternLen && |
6513 | 0 | memcmp(abyData + nOffsetOfStructuralMetadata, |
6514 | 0 | "GDAL_STRUCTURAL_METADATA_SIZE=", |
6515 | 0 | strlen("GDAL_STRUCTURAL_METADATA_SIZE=")) == 0) |
6516 | 0 | { |
6517 | 0 | char *pszStructuralMD = reinterpret_cast<char *>( |
6518 | 0 | abyData + nOffsetOfStructuralMetadata); |
6519 | 0 | const int nLenMD = |
6520 | 0 | atoi(pszStructuralMD + |
6521 | 0 | strlen("GDAL_STRUCTURAL_METADATA_SIZE=")); |
6522 | 0 | if (nOffsetOfStructuralMetadata + |
6523 | 0 | strlen("GDAL_STRUCTURAL_METADATA_SIZE=") + |
6524 | 0 | nSizePatternLen + nLenMD <= |
6525 | 0 | nRead) |
6526 | 0 | { |
6527 | 0 | pszStructuralMD[strlen( |
6528 | 0 | "GDAL_STRUCTURAL_METADATA_SIZE=") + |
6529 | 0 | nSizePatternLen + nLenMD] = 0; |
6530 | 0 | return CPLSPrintf("%s", pszStructuralMD); |
6531 | 0 | } |
6532 | 0 | } |
6533 | 0 | } |
6534 | 0 | return nullptr; |
6535 | 0 | } |
6536 | 0 | } |
6537 | | |
6538 | 0 | return m_oGTiffMDMD.GetMetadataItem(pszName, pszDomain); |
6539 | 0 | } |
6540 | | |
6541 | | /************************************************************************/ |
6542 | | /* LoadEXIFMetadata() */ |
6543 | | /************************************************************************/ |
6544 | | |
6545 | | void GTiffDataset::LoadEXIFMetadata() |
6546 | 0 | { |
6547 | 0 | if (m_bEXIFMetadataLoaded) |
6548 | 0 | return; |
6549 | 0 | m_bEXIFMetadataLoaded = true; |
6550 | |
|
6551 | 0 | VSILFILE *fp = VSI_TIFFGetVSILFile(TIFFClientdata(m_hTIFF)); |
6552 | |
|
6553 | 0 | GByte abyHeader[2] = {0}; |
6554 | 0 | if (VSIFSeekL(fp, 0, SEEK_SET) != 0 || VSIFReadL(abyHeader, 1, 2, fp) != 2) |
6555 | 0 | return; |
6556 | | |
6557 | 0 | const bool bLittleEndian = abyHeader[0] == 'I' && abyHeader[1] == 'I'; |
6558 | 0 | const bool bLeastSignificantBit = CPL_IS_LSB != 0; |
6559 | 0 | const bool bSwabflag = bLittleEndian != bLeastSignificantBit; // != is XOR. |
6560 | |
|
6561 | 0 | char **papszMetadata = nullptr; |
6562 | 0 | toff_t nOffset = 0; // TODO(b/28199387): Refactor to simplify casting. |
6563 | |
|
6564 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_EXIFIFD, &nOffset)) |
6565 | 0 | { |
6566 | 0 | int nExifOffset = static_cast<int>(nOffset); |
6567 | 0 | int nInterOffset = 0; |
6568 | 0 | int nGPSOffset = 0; |
6569 | 0 | EXIFExtractMetadata(papszMetadata, fp, static_cast<int>(nOffset), |
6570 | 0 | bSwabflag, 0, nExifOffset, nInterOffset, |
6571 | 0 | nGPSOffset); |
6572 | 0 | } |
6573 | |
|
6574 | 0 | if (TIFFGetField(m_hTIFF, TIFFTAG_GPSIFD, &nOffset)) |
6575 | 0 | { |
6576 | 0 | int nExifOffset = 0; // TODO(b/28199387): Refactor to simplify casting. |
6577 | 0 | int nInterOffset = 0; |
6578 | 0 | int nGPSOffset = static_cast<int>(nOffset); |
6579 | 0 | EXIFExtractMetadata(papszMetadata, fp, static_cast<int>(nOffset), |
6580 | 0 | bSwabflag, 0, nExifOffset, nInterOffset, |
6581 | 0 | nGPSOffset); |
6582 | 0 | } |
6583 | |
|
6584 | 0 | if (papszMetadata) |
6585 | 0 | { |
6586 | 0 | m_oGTiffMDMD.SetMetadata(papszMetadata, "EXIF"); |
6587 | 0 | CSLDestroy(papszMetadata); |
6588 | 0 | } |
6589 | 0 | } |
6590 | | |
6591 | | /************************************************************************/ |
6592 | | /* LoadMetadata() */ |
6593 | | /************************************************************************/ |
6594 | | void GTiffDataset::LoadMetadata() |
6595 | 0 | { |
6596 | 0 | if (m_bIMDRPCMetadataLoaded) |
6597 | 0 | return; |
6598 | 0 | m_bIMDRPCMetadataLoaded = true; |
6599 | |
|
6600 | 0 | if (EQUAL(CPLGetExtensionSafe(GetDescription()).c_str(), "ovr")) |
6601 | 0 | { |
6602 | | // Do not attempt to retrieve metadata files on .tif.ovr files. |
6603 | | // For example the Pleiades metadata reader might wrongly associate a |
6604 | | // DIM_xxx.XML file that was meant to be associated with the main |
6605 | | // TIFF file. The consequence of that wrong association is that if |
6606 | | // one cleans overviews, then the Delete() method would then delete |
6607 | | // that DIM_xxx.XML file since it would be reported in the GetFileList() |
6608 | | // of the overview dataset. |
6609 | 0 | return; |
6610 | 0 | } |
6611 | | |
6612 | 0 | GDALMDReaderManager mdreadermanager; |
6613 | 0 | GDALMDReaderBase *mdreader = mdreadermanager.GetReader( |
6614 | 0 | m_pszFilename, oOvManager.GetSiblingFiles(), MDR_ANY); |
6615 | |
|
6616 | 0 | if (nullptr != mdreader) |
6617 | 0 | { |
6618 | 0 | mdreader->FillMetadata(&m_oGTiffMDMD); |
6619 | |
|
6620 | 0 | if (mdreader->GetMetadataDomain(MD_DOMAIN_RPC) == nullptr) |
6621 | 0 | { |
6622 | 0 | char **papszRPCMD = GTiffDatasetReadRPCTag(m_hTIFF); |
6623 | 0 | if (papszRPCMD) |
6624 | 0 | { |
6625 | 0 | m_oGTiffMDMD.SetMetadata(papszRPCMD, MD_DOMAIN_RPC); |
6626 | 0 | CSLDestroy(papszRPCMD); |
6627 | 0 | } |
6628 | 0 | } |
6629 | |
|
6630 | 0 | m_papszMetadataFiles = mdreader->GetMetadataFiles(); |
6631 | 0 | } |
6632 | 0 | else |
6633 | 0 | { |
6634 | 0 | char **papszRPCMD = GTiffDatasetReadRPCTag(m_hTIFF); |
6635 | 0 | if (papszRPCMD) |
6636 | 0 | { |
6637 | 0 | m_oGTiffMDMD.SetMetadata(papszRPCMD, MD_DOMAIN_RPC); |
6638 | 0 | CSLDestroy(papszRPCMD); |
6639 | 0 | } |
6640 | 0 | } |
6641 | 0 | } |
6642 | | |
6643 | | /************************************************************************/ |
6644 | | /* HasOptimizedReadMultiRange() */ |
6645 | | /************************************************************************/ |
6646 | | |
6647 | | bool GTiffDataset::HasOptimizedReadMultiRange() |
6648 | 0 | { |
6649 | 0 | if (m_nHasOptimizedReadMultiRange >= 0) |
6650 | 0 | return m_nHasOptimizedReadMultiRange != 0; |
6651 | 0 | m_nHasOptimizedReadMultiRange = static_cast<signed char>( |
6652 | 0 | VSIHasOptimizedReadMultiRange(m_pszFilename) |
6653 | | // Config option for debug and testing purposes only |
6654 | 0 | || CPLTestBool(CPLGetConfigOption( |
6655 | 0 | "GTIFF_HAS_OPTIMIZED_READ_MULTI_RANGE", "NO"))); |
6656 | 0 | return m_nHasOptimizedReadMultiRange != 0; |
6657 | 0 | } |
6658 | | |
6659 | | /************************************************************************/ |
6660 | | /* CacheMultiRange() */ |
6661 | | /************************************************************************/ |
6662 | | |
6663 | | static bool CheckTrailer(const GByte *strileData, vsi_l_offset nStrileSize) |
6664 | 0 | { |
6665 | 0 | GByte abyTrailer[4]; |
6666 | 0 | memcpy(abyTrailer, strileData + nStrileSize, 4); |
6667 | 0 | GByte abyLastBytes[4] = {}; |
6668 | 0 | if (nStrileSize >= 4) |
6669 | 0 | memcpy(abyLastBytes, strileData + nStrileSize - 4, 4); |
6670 | 0 | else |
6671 | 0 | { |
6672 | | // The last bytes will be zero due to the above {} initialization, |
6673 | | // and that's what should be in abyTrailer too when the trailer is |
6674 | | // correct. |
6675 | 0 | memcpy(abyLastBytes, strileData, static_cast<size_t>(nStrileSize)); |
6676 | 0 | } |
6677 | 0 | return memcmp(abyTrailer, abyLastBytes, 4) == 0; |
6678 | 0 | } |
6679 | | |
6680 | | void *GTiffDataset::CacheMultiRange(int nXOff, int nYOff, int nXSize, |
6681 | | int nYSize, int nBufXSize, int nBufYSize, |
6682 | | const int *panBandMap, int nBandCount, |
6683 | | GDALRasterIOExtraArg *psExtraArg) |
6684 | 0 | { |
6685 | 0 | void *pBufferedData = nullptr; |
6686 | | // Same logic as in GDALRasterBand::IRasterIO() |
6687 | 0 | double dfXOff = nXOff; |
6688 | 0 | double dfYOff = nYOff; |
6689 | 0 | double dfXSize = nXSize; |
6690 | 0 | double dfYSize = nYSize; |
6691 | 0 | if (psExtraArg->bFloatingPointWindowValidity) |
6692 | 0 | { |
6693 | 0 | dfXOff = psExtraArg->dfXOff; |
6694 | 0 | dfYOff = psExtraArg->dfYOff; |
6695 | 0 | dfXSize = psExtraArg->dfXSize; |
6696 | 0 | dfYSize = psExtraArg->dfYSize; |
6697 | 0 | } |
6698 | 0 | const double dfSrcXInc = dfXSize / static_cast<double>(nBufXSize); |
6699 | 0 | const double dfSrcYInc = dfYSize / static_cast<double>(nBufYSize); |
6700 | 0 | const double EPS = 1e-10; |
6701 | 0 | const int nBlockX1 = |
6702 | 0 | static_cast<int>(std::max(0.0, (0 + 0.5) * dfSrcXInc + dfXOff + EPS)) / |
6703 | 0 | m_nBlockXSize; |
6704 | 0 | const int nBlockY1 = |
6705 | 0 | static_cast<int>(std::max(0.0, (0 + 0.5) * dfSrcYInc + dfYOff + EPS)) / |
6706 | 0 | m_nBlockYSize; |
6707 | 0 | const int nBlockX2 = |
6708 | 0 | static_cast<int>( |
6709 | 0 | std::min(static_cast<double>(nRasterXSize - 1), |
6710 | 0 | (nBufXSize - 1 + 0.5) * dfSrcXInc + dfXOff + EPS)) / |
6711 | 0 | m_nBlockXSize; |
6712 | 0 | const int nBlockY2 = |
6713 | 0 | static_cast<int>( |
6714 | 0 | std::min(static_cast<double>(nRasterYSize - 1), |
6715 | 0 | (nBufYSize - 1 + 0.5) * dfSrcYInc + dfYOff + EPS)) / |
6716 | 0 | m_nBlockYSize; |
6717 | |
|
6718 | 0 | struct StrileData |
6719 | 0 | { |
6720 | 0 | vsi_l_offset nOffset; |
6721 | 0 | vsi_l_offset nByteCount; |
6722 | 0 | bool bTryMask; |
6723 | 0 | }; |
6724 | |
|
6725 | 0 | std::map<int, StrileData> oMapStrileToOffsetByteCount; |
6726 | | |
6727 | | // Dedicated method to retrieved the offset and size in an efficient way |
6728 | | // when m_bBlockOrderRowMajor and m_bLeaderSizeAsUInt4 conditions are |
6729 | | // met. |
6730 | | // Except for the last block, we just read the offset from the TIFF offset |
6731 | | // array, and retrieve the size in the leader 4 bytes that come before the |
6732 | | // payload. |
6733 | 0 | auto OptimizedRetrievalOfOffsetSize = |
6734 | 0 | [&](int nBand, int nBlockId, vsi_l_offset &nOffset, vsi_l_offset &nSize, |
6735 | 0 | size_t nTotalSize, size_t nMaxRawBlockCacheSize) |
6736 | 0 | { |
6737 | 0 | bool bTryMask = m_bMaskInterleavedWithImagery; |
6738 | 0 | nOffset = TIFFGetStrileOffset(m_hTIFF, nBlockId); |
6739 | 0 | if (nOffset >= 4) |
6740 | 0 | { |
6741 | 0 | if ((m_nPlanarConfig == PLANARCONFIG_CONTIG && |
6742 | 0 | nBlockId == m_nBlocksPerBand - 1) || |
6743 | 0 | (m_nPlanarConfig == PLANARCONFIG_SEPARATE && |
6744 | 0 | nBlockId == m_nBlocksPerBand * nBands - 1)) |
6745 | 0 | { |
6746 | | // Special case for the last block. As there is no next block |
6747 | | // from which to retrieve an offset, use the good old method |
6748 | | // that consists in reading the ByteCount array. |
6749 | 0 | if (m_nPlanarConfig == PLANARCONFIG_CONTIG && bTryMask && |
6750 | 0 | GetRasterBand(1)->GetMaskBand() && m_poMaskDS) |
6751 | 0 | { |
6752 | 0 | auto nMaskOffset = |
6753 | 0 | TIFFGetStrileOffset(m_poMaskDS->m_hTIFF, nBlockId); |
6754 | 0 | if (nMaskOffset) |
6755 | 0 | { |
6756 | 0 | nSize = nMaskOffset + |
6757 | 0 | TIFFGetStrileByteCount(m_poMaskDS->m_hTIFF, |
6758 | 0 | nBlockId) - |
6759 | 0 | nOffset; |
6760 | 0 | } |
6761 | 0 | else |
6762 | 0 | { |
6763 | 0 | bTryMask = false; |
6764 | 0 | } |
6765 | 0 | } |
6766 | 0 | if (nSize == 0) |
6767 | 0 | { |
6768 | 0 | nSize = TIFFGetStrileByteCount(m_hTIFF, nBlockId); |
6769 | 0 | } |
6770 | 0 | if (nSize && m_bTrailerRepeatedLast4BytesRepeated) |
6771 | 0 | { |
6772 | 0 | nSize += 4; |
6773 | 0 | } |
6774 | 0 | } |
6775 | 0 | else |
6776 | 0 | { |
6777 | 0 | const auto nNextBlockId = |
6778 | 0 | (m_bTileInterleave && nBand < nBands) |
6779 | 0 | ? nBlockId + m_nBlocksPerBand |
6780 | 0 | : (m_bTileInterleave && nBand == nBands) |
6781 | 0 | ? nBlockId - (nBand - 1) * m_nBlocksPerBand + 1 |
6782 | 0 | : nBlockId + 1; |
6783 | 0 | auto nOffsetNext = TIFFGetStrileOffset(m_hTIFF, nNextBlockId); |
6784 | 0 | if (nOffsetNext > nOffset) |
6785 | 0 | { |
6786 | 0 | nSize = nOffsetNext - nOffset; |
6787 | 0 | } |
6788 | 0 | else |
6789 | 0 | { |
6790 | | // Shouldn't happen for a compliant file |
6791 | 0 | if (nOffsetNext != 0) |
6792 | 0 | { |
6793 | 0 | CPLDebug("GTiff", "Tile %d is not located after %d", |
6794 | 0 | nNextBlockId, nBlockId); |
6795 | 0 | } |
6796 | 0 | bTryMask = false; |
6797 | 0 | nSize = TIFFGetStrileByteCount(m_hTIFF, nBlockId); |
6798 | 0 | if (m_bTrailerRepeatedLast4BytesRepeated) |
6799 | 0 | nSize += 4; |
6800 | 0 | } |
6801 | 0 | } |
6802 | 0 | if (nSize) |
6803 | 0 | { |
6804 | 0 | nOffset -= 4; |
6805 | 0 | nSize += 4; |
6806 | 0 | if (nTotalSize + nSize < nMaxRawBlockCacheSize) |
6807 | 0 | { |
6808 | 0 | StrileData data; |
6809 | 0 | data.nOffset = nOffset; |
6810 | 0 | data.nByteCount = nSize; |
6811 | 0 | data.bTryMask = bTryMask; |
6812 | 0 | oMapStrileToOffsetByteCount[nBlockId] = data; |
6813 | 0 | } |
6814 | 0 | } |
6815 | 0 | } |
6816 | 0 | else |
6817 | 0 | { |
6818 | | // Sparse tile |
6819 | 0 | StrileData data; |
6820 | 0 | data.nOffset = 0; |
6821 | 0 | data.nByteCount = 0; |
6822 | 0 | data.bTryMask = false; |
6823 | 0 | oMapStrileToOffsetByteCount[nBlockId] = data; |
6824 | 0 | } |
6825 | 0 | }; |
6826 | | |
6827 | | // This lambda fills m_poDS->m_oCacheStrileToOffsetByteCount (and |
6828 | | // m_poDS->m_poMaskDS->m_oCacheStrileToOffsetByteCount, when there is a |
6829 | | // mask) from the temporary oMapStrileToOffsetByteCount. |
6830 | 0 | auto FillCacheStrileToOffsetByteCount = |
6831 | 0 | [&](const std::vector<vsi_l_offset> &anOffsets, |
6832 | 0 | const std::vector<size_t> &anSizes, |
6833 | 0 | const std::vector<void *> &apData) |
6834 | 0 | { |
6835 | 0 | CPLAssert(m_bLeaderSizeAsUInt4); |
6836 | 0 | size_t i = 0; |
6837 | 0 | vsi_l_offset nLastOffset = 0; |
6838 | 0 | for (const auto &entry : oMapStrileToOffsetByteCount) |
6839 | 0 | { |
6840 | 0 | const auto nBlockId = entry.first; |
6841 | 0 | const auto nOffset = entry.second.nOffset; |
6842 | 0 | const auto nSize = entry.second.nByteCount; |
6843 | 0 | if (nOffset == 0) |
6844 | 0 | { |
6845 | | // Sparse tile |
6846 | 0 | m_oCacheStrileToOffsetByteCount.insert(nBlockId, |
6847 | 0 | std::pair(0, 0)); |
6848 | 0 | continue; |
6849 | 0 | } |
6850 | | |
6851 | 0 | if (nOffset < nLastOffset) |
6852 | 0 | { |
6853 | | // shouldn't happen normally if tiles are sorted |
6854 | 0 | i = 0; |
6855 | 0 | } |
6856 | 0 | nLastOffset = nOffset; |
6857 | 0 | while (i < anOffsets.size() && |
6858 | 0 | !(nOffset >= anOffsets[i] && |
6859 | 0 | nOffset + nSize <= anOffsets[i] + anSizes[i])) |
6860 | 0 | { |
6861 | 0 | i++; |
6862 | 0 | } |
6863 | 0 | CPLAssert(i < anOffsets.size()); |
6864 | 0 | CPLAssert(nOffset >= anOffsets[i]); |
6865 | 0 | CPLAssert(nOffset + nSize <= anOffsets[i] + anSizes[i]); |
6866 | 0 | GUInt32 nSizeFromLeader; |
6867 | 0 | memcpy(&nSizeFromLeader, |
6868 | | // cppcheck-suppress containerOutOfBounds |
6869 | 0 | static_cast<GByte *>(apData[i]) + nOffset - anOffsets[i], |
6870 | 0 | sizeof(nSizeFromLeader)); |
6871 | 0 | CPL_LSBPTR32(&nSizeFromLeader); |
6872 | 0 | bool bOK = true; |
6873 | 0 | constexpr int nLeaderSize = 4; |
6874 | 0 | const int nTrailerSize = |
6875 | 0 | (m_bTrailerRepeatedLast4BytesRepeated ? 4 : 0); |
6876 | 0 | if (nSizeFromLeader > nSize - nLeaderSize - nTrailerSize) |
6877 | 0 | { |
6878 | 0 | CPLDebug("GTiff", |
6879 | 0 | "Inconsistent block size from in leader of block %d", |
6880 | 0 | nBlockId); |
6881 | 0 | bOK = false; |
6882 | 0 | } |
6883 | 0 | else if (m_bTrailerRepeatedLast4BytesRepeated) |
6884 | 0 | { |
6885 | | // Check trailer consistency |
6886 | 0 | const GByte *strileData = static_cast<GByte *>(apData[i]) + |
6887 | 0 | nOffset - anOffsets[i] + nLeaderSize; |
6888 | 0 | if (!CheckTrailer(strileData, nSizeFromLeader)) |
6889 | 0 | { |
6890 | 0 | CPLDebug("GTiff", "Inconsistent trailer of block %d", |
6891 | 0 | nBlockId); |
6892 | 0 | bOK = false; |
6893 | 0 | } |
6894 | 0 | } |
6895 | 0 | if (!bOK) |
6896 | 0 | { |
6897 | 0 | return false; |
6898 | 0 | } |
6899 | | |
6900 | 0 | { |
6901 | 0 | const vsi_l_offset nRealOffset = nOffset + nLeaderSize; |
6902 | 0 | const vsi_l_offset nRealSize = nSizeFromLeader; |
6903 | | #ifdef DEBUG_VERBOSE |
6904 | | CPLDebug("GTiff", |
6905 | | "Block %d found at offset " CPL_FRMT_GUIB |
6906 | | " with size " CPL_FRMT_GUIB, |
6907 | | nBlockId, nRealOffset, nRealSize); |
6908 | | #endif |
6909 | 0 | m_oCacheStrileToOffsetByteCount.insert( |
6910 | 0 | nBlockId, std::pair(nRealOffset, nRealSize)); |
6911 | 0 | } |
6912 | | |
6913 | | // Processing of mask |
6914 | 0 | if (!(entry.second.bTryMask && m_bMaskInterleavedWithImagery && |
6915 | 0 | GetRasterBand(1)->GetMaskBand() && m_poMaskDS)) |
6916 | 0 | { |
6917 | 0 | continue; |
6918 | 0 | } |
6919 | | |
6920 | 0 | bOK = false; |
6921 | 0 | const vsi_l_offset nMaskOffsetWithLeader = |
6922 | 0 | nOffset + nLeaderSize + nSizeFromLeader + nTrailerSize; |
6923 | 0 | if (nMaskOffsetWithLeader + nLeaderSize <= |
6924 | 0 | anOffsets[i] + anSizes[i]) |
6925 | 0 | { |
6926 | 0 | GUInt32 nMaskSizeFromLeader; |
6927 | 0 | memcpy(&nMaskSizeFromLeader, |
6928 | 0 | static_cast<GByte *>(apData[i]) + nMaskOffsetWithLeader - |
6929 | 0 | anOffsets[i], |
6930 | 0 | sizeof(nMaskSizeFromLeader)); |
6931 | 0 | CPL_LSBPTR32(&nMaskSizeFromLeader); |
6932 | 0 | if (nMaskOffsetWithLeader + nLeaderSize + nMaskSizeFromLeader + |
6933 | 0 | nTrailerSize <= |
6934 | 0 | anOffsets[i] + anSizes[i]) |
6935 | 0 | { |
6936 | 0 | bOK = true; |
6937 | 0 | if (m_bTrailerRepeatedLast4BytesRepeated) |
6938 | 0 | { |
6939 | | // Check trailer consistency |
6940 | 0 | const GByte *strileMaskData = |
6941 | 0 | static_cast<GByte *>(apData[i]) + nOffset - |
6942 | 0 | anOffsets[i] + nLeaderSize + nSizeFromLeader + |
6943 | 0 | nTrailerSize + nLeaderSize; |
6944 | 0 | if (!CheckTrailer(strileMaskData, nMaskSizeFromLeader)) |
6945 | 0 | { |
6946 | 0 | CPLDebug("GTiff", |
6947 | 0 | "Inconsistent trailer of mask of block %d", |
6948 | 0 | nBlockId); |
6949 | 0 | bOK = false; |
6950 | 0 | } |
6951 | 0 | } |
6952 | 0 | } |
6953 | 0 | if (bOK) |
6954 | 0 | { |
6955 | 0 | const vsi_l_offset nRealOffset = nOffset + nLeaderSize + |
6956 | 0 | nSizeFromLeader + |
6957 | 0 | nTrailerSize + nLeaderSize; |
6958 | 0 | const vsi_l_offset nRealSize = nMaskSizeFromLeader; |
6959 | | #ifdef DEBUG_VERBOSE |
6960 | | CPLDebug("GTiff", |
6961 | | "Mask of block %d found at offset " CPL_FRMT_GUIB |
6962 | | " with size " CPL_FRMT_GUIB, |
6963 | | nBlockId, nRealOffset, nRealSize); |
6964 | | #endif |
6965 | |
|
6966 | 0 | m_poMaskDS->m_oCacheStrileToOffsetByteCount.insert( |
6967 | 0 | nBlockId, std::pair(nRealOffset, nRealSize)); |
6968 | 0 | } |
6969 | 0 | } |
6970 | 0 | if (!bOK) |
6971 | 0 | { |
6972 | 0 | CPLDebug("GTiff", |
6973 | 0 | "Mask for block %d is not properly interleaved with " |
6974 | 0 | "imagery block", |
6975 | 0 | nBlockId); |
6976 | 0 | } |
6977 | 0 | } |
6978 | 0 | return true; |
6979 | 0 | }; |
6980 | |
|
6981 | 0 | thandle_t th = TIFFClientdata(m_hTIFF); |
6982 | 0 | if (!VSI_TIFFHasCachedRanges(th)) |
6983 | 0 | { |
6984 | 0 | std::vector<std::pair<vsi_l_offset, size_t>> aOffsetSize; |
6985 | 0 | size_t nTotalSize = 0; |
6986 | 0 | const unsigned int nMaxRawBlockCacheSize = atoi( |
6987 | 0 | CPLGetConfigOption("GDAL_MAX_RAW_BLOCK_CACHE_SIZE", "10485760")); |
6988 | 0 | bool bGoOn = true; |
6989 | 0 | for (int iBand = 0; iBand < nBandCount; ++iBand) |
6990 | 0 | { |
6991 | 0 | const int nBand = panBandMap[iBand]; |
6992 | 0 | GTiffRasterBand *poBand = |
6993 | 0 | cpl::down_cast<GTiffRasterBand *>(papoBands[nBand - 1]); |
6994 | 0 | for (int iY = nBlockY1; bGoOn && iY <= nBlockY2; iY++) |
6995 | 0 | { |
6996 | 0 | for (int iX = nBlockX1; bGoOn && iX <= nBlockX2; iX++) |
6997 | 0 | { |
6998 | 0 | GDALRasterBlock *poBlock = |
6999 | 0 | poBand->TryGetLockedBlockRef(iX, iY); |
7000 | 0 | if (poBlock != nullptr) |
7001 | 0 | { |
7002 | 0 | poBlock->DropLock(); |
7003 | 0 | continue; |
7004 | 0 | } |
7005 | 0 | int nBlockId = iX + iY * m_nBlocksPerRow; |
7006 | 0 | if (m_nPlanarConfig == PLANARCONFIG_SEPARATE) |
7007 | 0 | nBlockId += (nBand - 1) * m_nBlocksPerBand; |
7008 | 0 | vsi_l_offset nOffset = 0; |
7009 | 0 | vsi_l_offset nSize = 0; |
7010 | |
|
7011 | 0 | if (!m_bStreamingIn && m_bBlockOrderRowMajor && |
7012 | 0 | m_bLeaderSizeAsUInt4) |
7013 | 0 | { |
7014 | 0 | OptimizedRetrievalOfOffsetSize(nBand, nBlockId, nOffset, |
7015 | 0 | nSize, nTotalSize, |
7016 | 0 | nMaxRawBlockCacheSize); |
7017 | 0 | } |
7018 | 0 | else |
7019 | 0 | { |
7020 | 0 | CPL_IGNORE_RET_VAL(IsBlockAvailable(nBlockId, &nOffset, |
7021 | 0 | &nSize, nullptr)); |
7022 | 0 | } |
7023 | 0 | if (nSize) |
7024 | 0 | { |
7025 | 0 | if (nTotalSize + nSize < nMaxRawBlockCacheSize) |
7026 | 0 | { |
7027 | | #ifdef DEBUG_VERBOSE |
7028 | | CPLDebug( |
7029 | | "GTiff", |
7030 | | "Precaching for block (%d, %d), " CPL_FRMT_GUIB |
7031 | | "-" CPL_FRMT_GUIB, |
7032 | | iX, iY, nOffset, |
7033 | | nOffset + static_cast<size_t>(nSize) - 1); |
7034 | | #endif |
7035 | 0 | aOffsetSize.push_back( |
7036 | 0 | std::pair(nOffset, static_cast<size_t>(nSize))); |
7037 | 0 | nTotalSize += static_cast<size_t>(nSize); |
7038 | 0 | } |
7039 | 0 | else |
7040 | 0 | { |
7041 | 0 | bGoOn = false; |
7042 | 0 | } |
7043 | 0 | } |
7044 | 0 | } |
7045 | 0 | } |
7046 | 0 | } |
7047 | |
|
7048 | 0 | std::sort(aOffsetSize.begin(), aOffsetSize.end()); |
7049 | |
|
7050 | 0 | if (nTotalSize > 0) |
7051 | 0 | { |
7052 | 0 | pBufferedData = VSI_MALLOC_VERBOSE(nTotalSize); |
7053 | 0 | if (pBufferedData) |
7054 | 0 | { |
7055 | 0 | std::vector<vsi_l_offset> anOffsets; |
7056 | 0 | std::vector<size_t> anSizes; |
7057 | 0 | std::vector<void *> apData; |
7058 | 0 | anOffsets.push_back(aOffsetSize[0].first); |
7059 | 0 | apData.push_back(static_cast<GByte *>(pBufferedData)); |
7060 | 0 | size_t nChunkSize = aOffsetSize[0].second; |
7061 | 0 | size_t nAccOffset = 0; |
7062 | | // Try to merge contiguous or slightly overlapping ranges |
7063 | 0 | for (size_t i = 0; i < aOffsetSize.size() - 1; i++) |
7064 | 0 | { |
7065 | 0 | if (aOffsetSize[i].first < aOffsetSize[i + 1].first && |
7066 | 0 | aOffsetSize[i].first + aOffsetSize[i].second >= |
7067 | 0 | aOffsetSize[i + 1].first) |
7068 | 0 | { |
7069 | 0 | const auto overlap = aOffsetSize[i].first + |
7070 | 0 | aOffsetSize[i].second - |
7071 | 0 | aOffsetSize[i + 1].first; |
7072 | | // That should always be the case for well behaved |
7073 | | // TIFF files. |
7074 | 0 | if (aOffsetSize[i + 1].second > overlap) |
7075 | 0 | { |
7076 | 0 | nChunkSize += static_cast<size_t>( |
7077 | 0 | aOffsetSize[i + 1].second - overlap); |
7078 | 0 | } |
7079 | 0 | } |
7080 | 0 | else |
7081 | 0 | { |
7082 | | // terminate current block |
7083 | 0 | anSizes.push_back(nChunkSize); |
7084 | | #ifdef DEBUG_VERBOSE |
7085 | | CPLDebug("GTiff", |
7086 | | "Requesting range [" CPL_FRMT_GUIB |
7087 | | "-" CPL_FRMT_GUIB "]", |
7088 | | anOffsets.back(), |
7089 | | anOffsets.back() + anSizes.back() - 1); |
7090 | | #endif |
7091 | 0 | nAccOffset += nChunkSize; |
7092 | | // start a new range |
7093 | 0 | anOffsets.push_back(aOffsetSize[i + 1].first); |
7094 | 0 | apData.push_back(static_cast<GByte *>(pBufferedData) + |
7095 | 0 | nAccOffset); |
7096 | 0 | nChunkSize = aOffsetSize[i + 1].second; |
7097 | 0 | } |
7098 | 0 | } |
7099 | | // terminate last block |
7100 | 0 | anSizes.push_back(nChunkSize); |
7101 | | #ifdef DEBUG_VERBOSE |
7102 | | CPLDebug( |
7103 | | "GTiff", |
7104 | | "Requesting range [" CPL_FRMT_GUIB "-" CPL_FRMT_GUIB "]", |
7105 | | anOffsets.back(), anOffsets.back() + anSizes.back() - 1); |
7106 | | #endif |
7107 | |
|
7108 | 0 | VSILFILE *fp = VSI_TIFFGetVSILFile(th); |
7109 | | |
7110 | | // An error in VSIFReadMultiRangeL() will not be critical, |
7111 | | // as this method is an optimization, and if it fails, |
7112 | | // tile-by-tile data acquisition will be done, so we can |
7113 | | // temporary turn failures into warnings. |
7114 | 0 | bool ok; |
7115 | 0 | { |
7116 | 0 | CPLTurnFailureIntoWarningBackuper |
7117 | 0 | oFailureToWarningBackuper{}; |
7118 | 0 | ok = VSIFReadMultiRangeL(static_cast<int>(anSizes.size()), |
7119 | 0 | &apData[0], &anOffsets[0], |
7120 | 0 | &anSizes[0], fp) == 0; |
7121 | 0 | } |
7122 | |
|
7123 | 0 | if (ok) |
7124 | 0 | { |
7125 | 0 | if (!oMapStrileToOffsetByteCount.empty() && |
7126 | 0 | !FillCacheStrileToOffsetByteCount(anOffsets, anSizes, |
7127 | 0 | apData)) |
7128 | 0 | { |
7129 | | // Retry without optimization |
7130 | 0 | CPLFree(pBufferedData); |
7131 | 0 | m_bLeaderSizeAsUInt4 = false; |
7132 | 0 | void *pRet = CacheMultiRange( |
7133 | 0 | nXOff, nYOff, nXSize, nYSize, nBufXSize, nBufYSize, |
7134 | 0 | panBandMap, nBandCount, psExtraArg); |
7135 | 0 | m_bLeaderSizeAsUInt4 = true; |
7136 | 0 | return pRet; |
7137 | 0 | } |
7138 | | |
7139 | 0 | VSI_TIFFSetCachedRanges( |
7140 | 0 | th, static_cast<int>(anSizes.size()), &apData[0], |
7141 | 0 | &anOffsets[0], &anSizes[0]); |
7142 | 0 | } |
7143 | 0 | else |
7144 | 0 | { |
7145 | 0 | CPLFree(pBufferedData); |
7146 | 0 | pBufferedData = nullptr; |
7147 | 0 | } |
7148 | 0 | } |
7149 | 0 | } |
7150 | 0 | } |
7151 | 0 | return pBufferedData; |
7152 | 0 | } |