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| 1 // LoadCodecs.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 | |
| 5 #include "LoadCodecs.h" | |
| 6 | |
| 7 #include "../../../Common/MyCom.h" | |
| 8 #ifdef NEW_FOLDER_INTERFACE | |
| 9 #include "../../../Common/StringToInt.h" | |
| 10 #endif | |
| 11 #include "../../../Windows/PropVariant.h" | |
| 12 | |
| 13 #include "../../ICoder.h" | |
| 14 #include "../../Common/RegisterArc.h" | |
| 15 | |
| 16 #ifdef EXTERNAL_CODECS | |
| 17 #include "../../../Windows/FileFind.h" | |
| 18 #include "../../../Windows/DLL.h" | |
| 19 #ifdef NEW_FOLDER_INTERFACE | |
| 20 #include "../../../Windows/ResourceString.h" | |
| 21 static const UINT kIconTypesResId = 100; | |
| 22 #endif | |
| 23 | |
| 24 #ifdef _WIN32 | |
| 25 #include "Windows/Registry.h" | |
| 26 #endif | |
| 27 | |
| 28 using namespace NWindows; | |
| 29 using namespace NFile; | |
| 30 | |
| 31 #ifdef _WIN32 | |
| 32 extern HINSTANCE g_hInstance; | |
| 33 #endif | |
| 34 | |
| 35 static CSysString GetLibraryFolderPrefix() | |
| 36 { | |
| 37 #ifdef _WIN32 | |
| 38 TCHAR fullPath[MAX_PATH + 1]; | |
| 39 ::GetModuleFileName(g_hInstance, fullPath, MAX_PATH); | |
| 40 CSysString path = fullPath; | |
| 41 int pos = path.ReverseFind(TEXT(CHAR_PATH_SEPARATOR)); | |
| 42 return path.Left(pos + 1); | |
| 43 #else | |
| 44 return CSysString(); // FIX IT | |
| 45 #endif | |
| 46 } | |
| 47 | |
| 48 #define kCodecsFolderName TEXT("Codecs") | |
| 49 #define kFormatsFolderName TEXT("Formats") | |
| 50 static const TCHAR *kMainDll = TEXT("7z.dll"); | |
| 51 | |
| 52 #ifdef _WIN32 | |
| 53 static LPCTSTR kRegistryPath = TEXT("Software") TEXT(STRING_PATH_SEPARATOR) TEXT
("7-zip"); | |
| 54 static LPCTSTR kProgramPathValue = TEXT("Path"); | |
| 55 static bool ReadPathFromRegistry(HKEY baseKey, CSysString &path) | |
| 56 { | |
| 57 NRegistry::CKey key; | |
| 58 if(key.Open(baseKey, kRegistryPath, KEY_READ) == ERROR_SUCCESS) | |
| 59 if (key.QueryValue(kProgramPathValue, path) == ERROR_SUCCESS) | |
| 60 { | |
| 61 NName::NormalizeDirPathPrefix(path); | |
| 62 return true; | |
| 63 } | |
| 64 return false; | |
| 65 } | |
| 66 | |
| 67 #endif | |
| 68 | |
| 69 CSysString GetBaseFolderPrefixFromRegistry() | |
| 70 { | |
| 71 CSysString moduleFolderPrefix = GetLibraryFolderPrefix(); | |
| 72 NFind::CFileInfo fi; | |
| 73 if (NFind::FindFile(moduleFolderPrefix + kMainDll, fi)) | |
| 74 if (!fi.IsDir()) | |
| 75 return moduleFolderPrefix; | |
| 76 if (NFind::FindFile(moduleFolderPrefix + kCodecsFolderName, fi)) | |
| 77 if (fi.IsDir()) | |
| 78 return moduleFolderPrefix; | |
| 79 if (NFind::FindFile(moduleFolderPrefix + kFormatsFolderName, fi)) | |
| 80 if (fi.IsDir()) | |
| 81 return moduleFolderPrefix; | |
| 82 #ifdef _WIN32 | |
| 83 CSysString path; | |
| 84 if (ReadPathFromRegistry(HKEY_CURRENT_USER, path)) | |
| 85 return path; | |
| 86 if (ReadPathFromRegistry(HKEY_LOCAL_MACHINE, path)) | |
| 87 return path; | |
| 88 #endif | |
| 89 return moduleFolderPrefix; | |
| 90 } | |
| 91 | |
| 92 typedef UInt32 (WINAPI *GetNumberOfMethodsFunc)(UInt32 *numMethods); | |
| 93 typedef UInt32 (WINAPI *GetNumberOfFormatsFunc)(UInt32 *numFormats); | |
| 94 typedef UInt32 (WINAPI *GetHandlerPropertyFunc)(PROPID propID, PROPVARIANT *valu
e); | |
| 95 typedef UInt32 (WINAPI *GetHandlerPropertyFunc2)(UInt32 index, PROPID propID, PR
OPVARIANT *value); | |
| 96 typedef UInt32 (WINAPI *CreateObjectFunc)(const GUID *clsID, const GUID *iid, vo
id **outObject); | |
| 97 typedef UInt32 (WINAPI *SetLargePageModeFunc)(); | |
| 98 | |
| 99 | |
| 100 static HRESULT GetCoderClass(GetMethodPropertyFunc getMethodProperty, UInt32 ind
ex, | |
| 101 PROPID propId, CLSID &clsId, bool &isAssigned) | |
| 102 { | |
| 103 NWindows::NCOM::CPropVariant prop; | |
| 104 isAssigned = false; | |
| 105 RINOK(getMethodProperty(index, propId, &prop)); | |
| 106 if (prop.vt == VT_BSTR) | |
| 107 { | |
| 108 isAssigned = true; | |
| 109 clsId = *(const GUID *)prop.bstrVal; | |
| 110 } | |
| 111 else if (prop.vt != VT_EMPTY) | |
| 112 return E_FAIL; | |
| 113 return S_OK; | |
| 114 } | |
| 115 | |
| 116 HRESULT CCodecs::LoadCodecs() | |
| 117 { | |
| 118 CCodecLib &lib = Libs.Back(); | |
| 119 lib.GetMethodProperty = (GetMethodPropertyFunc)lib.Lib.GetProcAddress("GetMeth
odProperty"); | |
| 120 if (lib.GetMethodProperty == NULL) | |
| 121 return S_OK; | |
| 122 | |
| 123 UInt32 numMethods = 1; | |
| 124 GetNumberOfMethodsFunc getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)lib.Li
b.GetProcAddress("GetNumberOfMethods"); | |
| 125 if (getNumberOfMethodsFunc != NULL) | |
| 126 { | |
| 127 RINOK(getNumberOfMethodsFunc(&numMethods)); | |
| 128 } | |
| 129 | |
| 130 for(UInt32 i = 0; i < numMethods; i++) | |
| 131 { | |
| 132 CDllCodecInfo info; | |
| 133 info.LibIndex = Libs.Size() - 1; | |
| 134 info.CodecIndex = i; | |
| 135 | |
| 136 RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kEncoder, info.
Encoder, info.EncoderIsAssigned)); | |
| 137 RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kDecoder, info.
Decoder, info.DecoderIsAssigned)); | |
| 138 | |
| 139 Codecs.Add(info); | |
| 140 } | |
| 141 return S_OK; | |
| 142 } | |
| 143 | |
| 144 static HRESULT ReadProp( | |
| 145 GetHandlerPropertyFunc getProp, | |
| 146 GetHandlerPropertyFunc2 getProp2, | |
| 147 UInt32 index, PROPID propID, NCOM::CPropVariant &prop) | |
| 148 { | |
| 149 if (getProp2) | |
| 150 return getProp2(index, propID, &prop);; | |
| 151 return getProp(propID, &prop); | |
| 152 } | |
| 153 | |
| 154 static HRESULT ReadBoolProp( | |
| 155 GetHandlerPropertyFunc getProp, | |
| 156 GetHandlerPropertyFunc2 getProp2, | |
| 157 UInt32 index, PROPID propID, bool &res) | |
| 158 { | |
| 159 NCOM::CPropVariant prop; | |
| 160 RINOK(ReadProp(getProp, getProp2, index, propID, prop)); | |
| 161 if (prop.vt == VT_BOOL) | |
| 162 res = VARIANT_BOOLToBool(prop.boolVal); | |
| 163 else if (prop.vt != VT_EMPTY) | |
| 164 return E_FAIL; | |
| 165 return S_OK; | |
| 166 } | |
| 167 | |
| 168 static HRESULT ReadStringProp( | |
| 169 GetHandlerPropertyFunc getProp, | |
| 170 GetHandlerPropertyFunc2 getProp2, | |
| 171 UInt32 index, PROPID propID, UString &res) | |
| 172 { | |
| 173 NCOM::CPropVariant prop; | |
| 174 RINOK(ReadProp(getProp, getProp2, index, propID, prop)); | |
| 175 if (prop.vt == VT_BSTR) | |
| 176 res = prop.bstrVal; | |
| 177 else if (prop.vt != VT_EMPTY) | |
| 178 return E_FAIL; | |
| 179 return S_OK; | |
| 180 } | |
| 181 | |
| 182 #endif | |
| 183 | |
| 184 static const unsigned int kNumArcsMax = 32; | |
| 185 static unsigned int g_NumArcs = 0; | |
| 186 static const CArcInfo *g_Arcs[kNumArcsMax]; | |
| 187 void RegisterArc(const CArcInfo *arcInfo) | |
| 188 { | |
| 189 if (g_NumArcs < kNumArcsMax) | |
| 190 g_Arcs[g_NumArcs++] = arcInfo; | |
| 191 } | |
| 192 | |
| 193 static void SplitString(const UString &srcString, UStringVector &destStrings) | |
| 194 { | |
| 195 destStrings.Clear(); | |
| 196 UString s; | |
| 197 int len = srcString.Length(); | |
| 198 if (len == 0) | |
| 199 return; | |
| 200 for (int i = 0; i < len; i++) | |
| 201 { | |
| 202 wchar_t c = srcString[i]; | |
| 203 if (c == L' ') | |
| 204 { | |
| 205 if (!s.IsEmpty()) | |
| 206 { | |
| 207 destStrings.Add(s); | |
| 208 s.Empty(); | |
| 209 } | |
| 210 } | |
| 211 else | |
| 212 s += c; | |
| 213 } | |
| 214 if (!s.IsEmpty()) | |
| 215 destStrings.Add(s); | |
| 216 } | |
| 217 | |
| 218 void CArcInfoEx::AddExts(const wchar_t* ext, const wchar_t* addExt) | |
| 219 { | |
| 220 UStringVector exts, addExts; | |
| 221 SplitString(ext, exts); | |
| 222 if (addExt != 0) | |
| 223 SplitString(addExt, addExts); | |
| 224 for (int i = 0; i < exts.Size(); i++) | |
| 225 { | |
| 226 CArcExtInfo extInfo; | |
| 227 extInfo.Ext = exts[i]; | |
| 228 if (i < addExts.Size()) | |
| 229 { | |
| 230 extInfo.AddExt = addExts[i]; | |
| 231 if (extInfo.AddExt == L"*") | |
| 232 extInfo.AddExt.Empty(); | |
| 233 } | |
| 234 Exts.Add(extInfo); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 #ifdef EXTERNAL_CODECS | |
| 239 | |
| 240 HRESULT CCodecs::LoadFormats() | |
| 241 { | |
| 242 const NDLL::CLibrary &lib = Libs.Back().Lib; | |
| 243 GetHandlerPropertyFunc getProp = 0; | |
| 244 GetHandlerPropertyFunc2 getProp2 = (GetHandlerPropertyFunc2) | |
| 245 lib.GetProcAddress("GetHandlerProperty2"); | |
| 246 if (getProp2 == NULL) | |
| 247 { | |
| 248 getProp = (GetHandlerPropertyFunc) | |
| 249 lib.GetProcAddress("GetHandlerProperty"); | |
| 250 if (getProp == NULL) | |
| 251 return S_OK; | |
| 252 } | |
| 253 | |
| 254 UInt32 numFormats = 1; | |
| 255 GetNumberOfFormatsFunc getNumberOfFormats = (GetNumberOfFormatsFunc) | |
| 256 lib.GetProcAddress("GetNumberOfFormats"); | |
| 257 if (getNumberOfFormats != NULL) | |
| 258 { | |
| 259 RINOK(getNumberOfFormats(&numFormats)); | |
| 260 } | |
| 261 if (getProp2 == NULL) | |
| 262 numFormats = 1; | |
| 263 | |
| 264 for(UInt32 i = 0; i < numFormats; i++) | |
| 265 { | |
| 266 CArcInfoEx item; | |
| 267 item.LibIndex = Libs.Size() - 1; | |
| 268 item.FormatIndex = i; | |
| 269 | |
| 270 RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kName, item.Name)); | |
| 271 | |
| 272 NCOM::CPropVariant prop; | |
| 273 if (ReadProp(getProp, getProp2, i, NArchive::kClassID, prop) != S_OK) | |
| 274 continue; | |
| 275 if (prop.vt != VT_BSTR) | |
| 276 continue; | |
| 277 item.ClassID = *(const GUID *)prop.bstrVal; | |
| 278 prop.Clear(); | |
| 279 | |
| 280 UString ext, addExt; | |
| 281 RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kExtension, ext)); | |
| 282 RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kAddExtension, addExt))
; | |
| 283 item.AddExts(ext, addExt); | |
| 284 | |
| 285 ReadBoolProp(getProp, getProp2, i, NArchive::kUpdate, item.UpdateEnabled); | |
| 286 if (item.UpdateEnabled) | |
| 287 ReadBoolProp(getProp, getProp2, i, NArchive::kKeepName, item.KeepName); | |
| 288 | |
| 289 if (ReadProp(getProp, getProp2, i, NArchive::kStartSignature, prop) == S_OK) | |
| 290 if (prop.vt == VT_BSTR) | |
| 291 { | |
| 292 UINT len = ::SysStringByteLen(prop.bstrVal); | |
| 293 item.StartSignature.SetCapacity(len); | |
| 294 memmove(item.StartSignature, prop.bstrVal, len); | |
| 295 } | |
| 296 Formats.Add(item); | |
| 297 } | |
| 298 return S_OK; | |
| 299 } | |
| 300 | |
| 301 #ifdef NEW_FOLDER_INTERFACE | |
| 302 void CCodecLib::LoadIcons() | |
| 303 { | |
| 304 UString iconTypes = MyLoadStringW((HMODULE)Lib, kIconTypesResId); | |
| 305 UStringVector pairs; | |
| 306 SplitString(iconTypes, pairs); | |
| 307 for (int i = 0; i < pairs.Size(); i++) | |
| 308 { | |
| 309 const UString &s = pairs[i]; | |
| 310 int pos = s.Find(L':'); | |
| 311 if (pos < 0) | |
| 312 continue; | |
| 313 CIconPair iconPair; | |
| 314 const wchar_t *end; | |
| 315 UString num = s.Mid(pos + 1); | |
| 316 iconPair.IconIndex = (UInt32)ConvertStringToUInt64(num, &end); | |
| 317 if (*end != L'\0') | |
| 318 continue; | |
| 319 iconPair.Ext = s.Left(pos); | |
| 320 IconPairs.Add(iconPair); | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 int CCodecLib::FindIconIndex(const UString &ext) const | |
| 325 { | |
| 326 for (int i = 0; i < IconPairs.Size(); i++) | |
| 327 { | |
| 328 const CIconPair &pair = IconPairs[i]; | |
| 329 if (ext.CompareNoCase(pair.Ext) == 0) | |
| 330 return pair.IconIndex; | |
| 331 } | |
| 332 return -1; | |
| 333 } | |
| 334 #endif | |
| 335 | |
| 336 #ifdef _7ZIP_LARGE_PAGES | |
| 337 extern "C" | |
| 338 { | |
| 339 extern SIZE_T g_LargePageSize; | |
| 340 } | |
| 341 #endif | |
| 342 | |
| 343 HRESULT CCodecs::LoadDll(const CSysString &dllPath) | |
| 344 { | |
| 345 { | |
| 346 NDLL::CLibrary library; | |
| 347 if (!library.LoadEx(dllPath, LOAD_LIBRARY_AS_DATAFILE)) | |
| 348 return S_OK; | |
| 349 } | |
| 350 Libs.Add(CCodecLib()); | |
| 351 CCodecLib &lib = Libs.Back(); | |
| 352 #ifdef NEW_FOLDER_INTERFACE | |
| 353 lib.Path = dllPath; | |
| 354 #endif | |
| 355 bool used = false; | |
| 356 HRESULT res = S_OK; | |
| 357 if (lib.Lib.Load(dllPath)) | |
| 358 { | |
| 359 #ifdef NEW_FOLDER_INTERFACE | |
| 360 lib.LoadIcons(); | |
| 361 #endif | |
| 362 | |
| 363 #ifdef _7ZIP_LARGE_PAGES | |
| 364 if (g_LargePageSize != 0) | |
| 365 { | |
| 366 SetLargePageModeFunc setLargePageMode = (SetLargePageModeFunc)lib.Lib.GetP
rocAddress("SetLargePageMode"); | |
| 367 if (setLargePageMode != 0) | |
| 368 setLargePageMode(); | |
| 369 } | |
| 370 #endif | |
| 371 | |
| 372 lib.CreateObject = (CreateObjectFunc)lib.Lib.GetProcAddress("CreateObject"); | |
| 373 if (lib.CreateObject != 0) | |
| 374 { | |
| 375 int startSize = Codecs.Size(); | |
| 376 res = LoadCodecs(); | |
| 377 used = (Codecs.Size() != startSize); | |
| 378 if (res == S_OK) | |
| 379 { | |
| 380 startSize = Formats.Size(); | |
| 381 res = LoadFormats(); | |
| 382 used = used || (Formats.Size() != startSize); | |
| 383 } | |
| 384 } | |
| 385 } | |
| 386 if (!used) | |
| 387 Libs.DeleteBack(); | |
| 388 return res; | |
| 389 } | |
| 390 | |
| 391 HRESULT CCodecs::LoadDllsFromFolder(const CSysString &folderPrefix) | |
| 392 { | |
| 393 NFile::NFind::CEnumerator enumerator(folderPrefix + CSysString(TEXT("*"))); | |
| 394 NFile::NFind::CFileInfo fi; | |
| 395 while (enumerator.Next(fi)) | |
| 396 { | |
| 397 if (fi.IsDir()) | |
| 398 continue; | |
| 399 RINOK(LoadDll(folderPrefix + fi.Name)); | |
| 400 } | |
| 401 return S_OK; | |
| 402 } | |
| 403 | |
| 404 #endif | |
| 405 | |
| 406 #ifndef _SFX | |
| 407 static inline void SetBuffer(CByteBuffer &bb, const Byte *data, int size) | |
| 408 { | |
| 409 bb.SetCapacity(size); | |
| 410 memmove((Byte *)bb, data, size); | |
| 411 } | |
| 412 #endif | |
| 413 | |
| 414 HRESULT CCodecs::Load() | |
| 415 { | |
| 416 Formats.Clear(); | |
| 417 #ifdef EXTERNAL_CODECS | |
| 418 Codecs.Clear(); | |
| 419 #endif | |
| 420 for (UInt32 i = 0; i < g_NumArcs; i++) | |
| 421 { | |
| 422 const CArcInfo &arc = *g_Arcs[i]; | |
| 423 CArcInfoEx item; | |
| 424 item.Name = arc.Name; | |
| 425 item.CreateInArchive = arc.CreateInArchive; | |
| 426 item.CreateOutArchive = arc.CreateOutArchive; | |
| 427 item.AddExts(arc.Ext, arc.AddExt); | |
| 428 item.UpdateEnabled = (arc.CreateOutArchive != 0); | |
| 429 item.KeepName = arc.KeepName; | |
| 430 | |
| 431 #ifndef _SFX | |
| 432 SetBuffer(item.StartSignature, arc.Signature, arc.SignatureSize); | |
| 433 #endif | |
| 434 Formats.Add(item); | |
| 435 } | |
| 436 #ifdef EXTERNAL_CODECS | |
| 437 const CSysString baseFolder = GetBaseFolderPrefixFromRegistry(); | |
| 438 RINOK(LoadDll(baseFolder + kMainDll)); | |
| 439 RINOK(LoadDllsFromFolder(baseFolder + kCodecsFolderName TEXT(STRING_PATH_SEPAR
ATOR))); | |
| 440 RINOK(LoadDllsFromFolder(baseFolder + kFormatsFolderName TEXT(STRING_PATH_SEPA
RATOR))); | |
| 441 #endif | |
| 442 return S_OK; | |
| 443 } | |
| 444 | |
| 445 #ifndef _SFX | |
| 446 | |
| 447 int CCodecs::FindFormatForArchiveName(const UString &arcPath) const | |
| 448 { | |
| 449 int slashPos1 = arcPath.ReverseFind(WCHAR_PATH_SEPARATOR); | |
| 450 int slashPos2 = arcPath.ReverseFind(L'.'); | |
| 451 int dotPos = arcPath.ReverseFind(L'.'); | |
| 452 if (dotPos < 0 || dotPos < slashPos1 || dotPos < slashPos2) | |
| 453 return -1; | |
| 454 UString ext = arcPath.Mid(dotPos + 1); | |
| 455 for (int i = 0; i < Formats.Size(); i++) | |
| 456 { | |
| 457 const CArcInfoEx &arc = Formats[i]; | |
| 458 if (!arc.UpdateEnabled) | |
| 459 continue; | |
| 460 // if (arc.FindExtension(ext) >= 0) | |
| 461 UString mainExt = arc.GetMainExt(); | |
| 462 if (!mainExt.IsEmpty() && ext.CompareNoCase(mainExt) == 0) | |
| 463 return i; | |
| 464 } | |
| 465 return -1; | |
| 466 } | |
| 467 | |
| 468 int CCodecs::FindFormatForExtension(const UString &ext) const | |
| 469 { | |
| 470 if (ext.IsEmpty()) | |
| 471 return -1; | |
| 472 for (int i = 0; i < Formats.Size(); i++) | |
| 473 if (Formats[i].FindExtension(ext) >= 0) | |
| 474 return i; | |
| 475 return -1; | |
| 476 } | |
| 477 | |
| 478 int CCodecs::FindFormatForArchiveType(const UString &arcType) const | |
| 479 { | |
| 480 for (int i = 0; i < Formats.Size(); i++) | |
| 481 if (Formats[i].Name.CompareNoCase(arcType) == 0) | |
| 482 return i; | |
| 483 return -1; | |
| 484 } | |
| 485 | |
| 486 bool CCodecs::FindFormatForArchiveType(const UString &arcType, CIntVector &forma
tIndices) const | |
| 487 { | |
| 488 formatIndices.Clear(); | |
| 489 for (int pos = 0; pos < arcType.Length();) | |
| 490 { | |
| 491 int pos2 = arcType.Find('.', pos); | |
| 492 if (pos2 < 0) | |
| 493 pos2 = arcType.Length(); | |
| 494 const UString name = arcType.Mid(pos, pos2 - pos); | |
| 495 int index = FindFormatForArchiveType(name); | |
| 496 if (index < 0 && name != L"*") | |
| 497 { | |
| 498 formatIndices.Clear(); | |
| 499 return false; | |
| 500 } | |
| 501 formatIndices.Add(index); | |
| 502 pos = pos2 + 1; | |
| 503 } | |
| 504 return true; | |
| 505 } | |
| 506 | |
| 507 #endif | |
| 508 | |
| 509 #ifdef EXTERNAL_CODECS | |
| 510 | |
| 511 #ifdef EXPORT_CODECS | |
| 512 extern unsigned int g_NumCodecs; | |
| 513 STDAPI CreateCoder2(bool encode, UInt32 index, const GUID *iid, void **outObject
); | |
| 514 STDAPI GetMethodProperty(UInt32 codecIndex, PROPID propID, PROPVARIANT *value); | |
| 515 // STDAPI GetNumberOfMethods(UInt32 *numCodecs); | |
| 516 #endif | |
| 517 | |
| 518 STDMETHODIMP CCodecs::GetNumberOfMethods(UInt32 *numMethods) | |
| 519 { | |
| 520 *numMethods = | |
| 521 #ifdef EXPORT_CODECS | |
| 522 g_NumCodecs + | |
| 523 #endif | |
| 524 Codecs.Size(); | |
| 525 return S_OK; | |
| 526 } | |
| 527 | |
| 528 STDMETHODIMP CCodecs::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *valu
e) | |
| 529 { | |
| 530 #ifdef EXPORT_CODECS | |
| 531 if (index < g_NumCodecs) | |
| 532 return GetMethodProperty(index, propID, value); | |
| 533 #endif | |
| 534 | |
| 535 const CDllCodecInfo &ci = Codecs[index | |
| 536 #ifdef EXPORT_CODECS | |
| 537 - g_NumCodecs | |
| 538 #endif | |
| 539 ]; | |
| 540 | |
| 541 if (propID == NMethodPropID::kDecoderIsAssigned) | |
| 542 { | |
| 543 NWindows::NCOM::CPropVariant propVariant; | |
| 544 propVariant = ci.DecoderIsAssigned; | |
| 545 propVariant.Detach(value); | |
| 546 return S_OK; | |
| 547 } | |
| 548 if (propID == NMethodPropID::kEncoderIsAssigned) | |
| 549 { | |
| 550 NWindows::NCOM::CPropVariant propVariant; | |
| 551 propVariant = ci.EncoderIsAssigned; | |
| 552 propVariant.Detach(value); | |
| 553 return S_OK; | |
| 554 } | |
| 555 return Libs[ci.LibIndex].GetMethodProperty(ci.CodecIndex, propID, value); | |
| 556 } | |
| 557 | |
| 558 STDMETHODIMP CCodecs::CreateDecoder(UInt32 index, const GUID *iid, void **coder) | |
| 559 { | |
| 560 #ifdef EXPORT_CODECS | |
| 561 if (index < g_NumCodecs) | |
| 562 return CreateCoder2(false, index, iid, coder); | |
| 563 #endif | |
| 564 const CDllCodecInfo &ci = Codecs[index | |
| 565 #ifdef EXPORT_CODECS | |
| 566 - g_NumCodecs | |
| 567 #endif | |
| 568 ]; | |
| 569 if (ci.DecoderIsAssigned) | |
| 570 return Libs[ci.LibIndex].CreateObject(&ci.Decoder, iid, (void **)coder); | |
| 571 return S_OK; | |
| 572 } | |
| 573 | |
| 574 STDMETHODIMP CCodecs::CreateEncoder(UInt32 index, const GUID *iid, void **coder) | |
| 575 { | |
| 576 #ifdef EXPORT_CODECS | |
| 577 if (index < g_NumCodecs) | |
| 578 return CreateCoder2(true, index, iid, coder); | |
| 579 #endif | |
| 580 const CDllCodecInfo &ci = Codecs[index | |
| 581 #ifdef EXPORT_CODECS | |
| 582 - g_NumCodecs | |
| 583 #endif | |
| 584 ]; | |
| 585 if (ci.EncoderIsAssigned) | |
| 586 return Libs[ci.LibIndex].CreateObject(&ci.Encoder, iid, (void **)coder); | |
| 587 return S_OK; | |
| 588 } | |
| 589 | |
| 590 HRESULT CCodecs::CreateCoder(const UString &name, bool encode, CMyComPtr<ICompre
ssCoder> &coder) const | |
| 591 { | |
| 592 for (int i = 0; i < Codecs.Size(); i++) | |
| 593 { | |
| 594 const CDllCodecInfo &codec = Codecs[i]; | |
| 595 if (encode && !codec.EncoderIsAssigned || !encode && !codec.DecoderIsAssigne
d) | |
| 596 continue; | |
| 597 const CCodecLib &lib = Libs[codec.LibIndex]; | |
| 598 UString res; | |
| 599 NWindows::NCOM::CPropVariant prop; | |
| 600 RINOK(lib.GetMethodProperty(codec.CodecIndex, NMethodPropID::kName, &prop)); | |
| 601 if (prop.vt == VT_BSTR) | |
| 602 res = prop.bstrVal; | |
| 603 else if (prop.vt != VT_EMPTY) | |
| 604 continue; | |
| 605 if (name.CompareNoCase(res) == 0) | |
| 606 return lib.CreateObject(encode ? &codec.Encoder : &codec.Decoder, &IID_ICo
mpressCoder, (void **)&coder); | |
| 607 } | |
| 608 return CLASS_E_CLASSNOTAVAILABLE; | |
| 609 } | |
| 610 | |
| 611 int CCodecs::GetCodecLibIndex(UInt32 index) | |
| 612 { | |
| 613 #ifdef EXPORT_CODECS | |
| 614 if (index < g_NumCodecs) | |
| 615 return -1; | |
| 616 #endif | |
| 617 #ifdef EXTERNAL_CODECS | |
| 618 const CDllCodecInfo &ci = Codecs[index | |
| 619 #ifdef EXPORT_CODECS | |
| 620 - g_NumCodecs | |
| 621 #endif | |
| 622 ]; | |
| 623 return ci.LibIndex; | |
| 624 #else | |
| 625 return -1; | |
| 626 #endif | |
| 627 } | |
| 628 | |
| 629 bool CCodecs::GetCodecEncoderIsAssigned(UInt32 index) | |
| 630 { | |
| 631 #ifdef EXPORT_CODECS | |
| 632 if (index < g_NumCodecs) | |
| 633 { | |
| 634 NWindows::NCOM::CPropVariant prop; | |
| 635 if (GetProperty(index, NMethodPropID::kEncoder, &prop) == S_OK) | |
| 636 if (prop.vt != VT_EMPTY) | |
| 637 return true; | |
| 638 return false; | |
| 639 } | |
| 640 #endif | |
| 641 #ifdef EXTERNAL_CODECS | |
| 642 const CDllCodecInfo &ci = Codecs[index | |
| 643 #ifdef EXPORT_CODECS | |
| 644 - g_NumCodecs | |
| 645 #endif | |
| 646 ]; | |
| 647 return ci.EncoderIsAssigned; | |
| 648 #else | |
| 649 return false; | |
| 650 #endif | |
| 651 } | |
| 652 | |
| 653 HRESULT CCodecs::GetCodecId(UInt32 index, UInt64 &id) | |
| 654 { | |
| 655 UString s; | |
| 656 NWindows::NCOM::CPropVariant prop; | |
| 657 RINOK(GetProperty(index, NMethodPropID::kID, &prop)); | |
| 658 if (prop.vt != VT_UI8) | |
| 659 return E_INVALIDARG; | |
| 660 id = prop.uhVal.QuadPart; | |
| 661 return S_OK; | |
| 662 } | |
| 663 | |
| 664 UString CCodecs::GetCodecName(UInt32 index) | |
| 665 { | |
| 666 UString s; | |
| 667 NWindows::NCOM::CPropVariant prop; | |
| 668 if (GetProperty(index, NMethodPropID::kName, &prop) == S_OK) | |
| 669 if (prop.vt == VT_BSTR) | |
| 670 s = prop.bstrVal; | |
| 671 return s; | |
| 672 } | |
| 673 | |
| 674 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master