MediaInfoLib  0.7
MediaInfoDLL.h
1 /* Copyright (c) MediaArea.net SARL. All Rights Reserved.
2  *
3  * Use of this source code is governed by a BSD-style license that can
4  * be found in the License.html file in the root of the source tree.
5  */
6 
7 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
8 //
9 // Public DLL interface implementation
10 // Wrapper for MediaInfo Library
11 // See MediaInfo.h for help
12 //
13 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
14 
15 #ifndef MediaInfoDLLH
16 #define MediaInfoDLLH
17 
18 //***************************************************************************
19 // Platforms (from libzen)
20 //***************************************************************************
21 
22 /*---------------------------------------------------------------------------*/
23 /*Win32*/
24 #if defined(__NT__) || defined(_WIN32) || defined(WIN32)
25  #ifndef WIN32
26  #define WIN32
27  #endif
28  #ifndef _WIN32
29  #define _WIN32
30  #endif
31  #ifndef __WIN32__
32  #define __WIN32__ 1
33  #endif
34 #endif
35 
36 /*---------------------------------------------------------------------------*/
37 /*Win64*/
38 #if defined(_WIN64) || defined(WIN64)
39  #ifndef WIN64
40  #define WIN64
41  #endif
42  #ifndef _WIN64
43  #define _WIN64
44  #endif
45  #ifndef __WIN64__
46  #define __WIN64__ 1
47  #endif
48 #endif
49 
50 /*---------------------------------------------------------------------------*/
51 /*Windows*/
52 #if defined(WIN32) || defined(WIN64)
53  #ifndef WINDOWS
54  #define WINDOWS
55  #endif
56  #ifndef _WINDOWS
57  #define _WINDOWS
58  #endif
59  #ifndef __WINDOWS__
60  #define __WINDOWS__ 1
61  #endif
62 #endif
63 
64 /*---------------------------------------------------------------------------*/
65 /*Unix (Linux, HP, Sun, BeOS...)*/
66 #if defined(UNIX) || defined(_UNIX) || defined(__UNIX__) \
67  || defined(__unix) || defined(__unix__) \
68  || defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) \
69  || defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) \
70  || defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
71  #ifndef UNIX
72  #define UNIX
73  #endif
74  #ifndef _UNIX
75  #define _UNIX
76  #endif
77  #ifndef __UNIX__
78  #define __UNIX__ 1
79  #endif
80 #endif
81 
82 /*---------------------------------------------------------------------------*/
83 /*MacOS Classic*/
84 #if defined(macintosh)
85  #ifndef MACOS
86  #define MACOS
87  #endif
88  #ifndef _MACOS
89  #define _MACOS
90  #endif
91  #ifndef __MACOS__
92  #define __MACOS__ 1
93  #endif
94 #endif
95 
96 /*---------------------------------------------------------------------------*/
97 /*MacOS X*/
98 #if defined(__APPLE__) && defined(__MACH__)
99  #ifndef MACOSX
100  #define MACOSX
101  #endif
102  #ifndef _MACOSX
103  #define _MACOSX
104  #endif
105  #ifndef __MACOSX__
106  #define __MACOSX__ 1
107  #endif
108 #endif
109 
110 /*Test of targets*/
111 #if defined(WINDOWS) && defined(UNIX) && defined(MACOS) && defined(MACOSX)
112  #pragma message Multiple platforms???
113 #endif
114 
115 #if !defined(WIN32) && !defined(UNIX) && !defined(MACOS) && !defined(MACOSX)
116  #pragma message No known platforms, assume default
117 #endif
118 
119 /*-------------------------------------------------------------------------*/
120 #if defined(_WIN32) || defined(WIN32)
121  #ifdef _UNICODE
122  #ifndef MEDIAINFODLL_NAME
123  #define MEDIAINFODLL_NAME L"MediaInfo.dll"
124  #endif //MEDIAINFODLL_NAME
125  #else //_UNICODE
126  #ifndef MEDIAINFODLL_NAME
127  #define MEDIAINFODLL_NAME "MediaInfo.dll"
128  #endif //MEDIAINFODLL_NAME
129  #endif //_UNICODE
130 #elif defined(__APPLE__) && defined(__MACH__)
131  #ifndef MEDIAINFODLL_NAME
132  #define MEDIAINFODLL_NAME "libmediainfo.0.dylib"
133  #endif //MEDIAINFODLL_NAME
134  #define __stdcall
135  #ifdef __cplusplus
136  #include <new> //for size_t
137  #else /* __cplusplus */
138  #include <stddef.h> //for size_t
139  #endif /* __cplusplus */
140 #else
141  #ifndef MEDIAINFODLL_NAME
142  #define MEDIAINFODLL_NAME "libmediainfo.so.0"
143  #endif //MEDIAINFODLL_NAME
144  #define __stdcall
145 #endif
146 
147 /*-------------------------------------------------------------------------*/
148 /*Char types */
149 #undef __T
150 #define __T(__x) __T(__x)
151 #if defined(UNICODE) || defined(_UNICODE)
152  typedef wchar_t MediaInfo_Char;
153  #undef __T
154  #define __T(__x) L ## __x
155  #define MEDIAINFO_Ansi ""
156 #else
157  typedef char MediaInfo_Char;
158  #undef __T
159  #define __T(__x) __x
160  #define MEDIAINFO_Ansi "A"
161 #endif
162 /*-------------------------------------------------------------------------*/
163 
164 /*-------------------------------------------------------------------------*/
165 /*8-bit int */
166 typedef unsigned char MediaInfo_int8u;
167 /*-------------------------------------------------------------------------*/
168 
169 /*-------------------------------------------------------------------------*/
170 /*64-bit int */
171 #if defined(__MINGW32__) || defined(__CYGWIN32__) || defined(__UNIX__) || defined(__MACOSX__)
172  #undef MAXTYPE_INT
173  #define MAXTYPE_INT 64
174  typedef unsigned long long MediaInfo_int64u;
175 #elif defined(__WIN32__) || defined(_WIN32)
176  #undef MAXTYPE_INT
177  #define MAXTYPE_INT 64
178  typedef unsigned __int64 MediaInfo_int64u;
179 #else
180  #pragma message This machine has no 64-bit integer type?
181 #endif
182 /*-------------------------------------------------------------------------*/
183 
184 /*-------------------------------------------------------------------------*/
185 /*NULL */
186 #ifndef NULL
187  #define NULL 0
188 #endif
189 /*-------------------------------------------------------------------------*/
190 
192 typedef enum MediaInfo_stream_t {
193  MediaInfo_Stream_General,
194  MediaInfo_Stream_Video,
195  MediaInfo_Stream_Audio,
196  MediaInfo_Stream_Text,
197  MediaInfo_Stream_Other,
198  MediaInfo_Stream_Image,
199  MediaInfo_Stream_Menu,
200  MediaInfo_Stream_Max
201 } MediaInfo_stream_C;
202 
204 typedef enum MediaInfo_info_t {
205  MediaInfo_Info_Name,
206  MediaInfo_Info_Text,
207  MediaInfo_Info_Measure,
208  MediaInfo_Info_Options,
209  MediaInfo_Info_Name_Text,
210  MediaInfo_Info_Measure_Text,
211  MediaInfo_Info_Info,
212  MediaInfo_Info_HowTo,
213  MediaInfo_Info_Max
214 } MediaInfo_info_C;
215 
217 typedef enum MediaInfo_infooptions_t {
218  MediaInfo_InfoOption_ShowInInform,
219  MediaInfo_InfoOption_Reserved,
220  MediaInfo_InfoOption_ShowInSupported,
221  MediaInfo_InfoOption_TypeOfValue,
222  MediaInfo_InfoOption_Max
223 } MediaInfo_infooptions_C;
224 
226 typedef enum MediaInfo_fileoptions_t {
227  MediaInfo_FileOption_Nothing = 0x00,
228  MediaInfo_FileOption_NoRecursive = 0x01,
229  MediaInfo_FileOption_CloseAll = 0x02,
230  MediaInfo_FileOption_Max = 0x04
231 } MediaInfo_fileoptions_C;
232 
233 
234 #ifdef __cplusplus
235 extern "C"
236 {
237 #endif /* __cplusplus */
238 
239 #ifdef MEDIAINFO_GLIBC
240  #include <gmodule.h>
241  static GModule* MediaInfo_Module = NULL;
242 #elif defined(_WIN32) || defined(WIN32)
243  #include <windows.h>
244  static HMODULE MediaInfo_Module = NULL;
245 #else
246  #ifdef MACOSX
247  #include <CoreFoundation/CFBundle.h>
248  #endif
249 
250  #include <dlfcn.h>
251  static void* MediaInfo_Module = NULL;
252 #endif
253  static size_t Module_Count = 0;
254 
255 #ifdef MEDIAINFO_GLIBC
256 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
257  if (!g_module_symbol (MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfo_##_Name)) \
258  Errors++;
259 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
260  if (!g_module_symbol (MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfoList_##_Name)) \
261  Errors++;
262 #elif defined(_WIN32) || defined(WIN32)
263 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
264  MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
265  if (MediaInfo_##_Name==NULL) Errors++;
266 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
267  MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
268  if (MediaInfoList_##_Name==NULL) Errors++;
269 #else
270 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
271  MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
272  if (MediaInfo_##_Name==NULL) Errors++;
273 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
274  MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
275  if (MediaInfoList_##_Name==NULL) Errors++;
276 #endif
277 
278  typedef void* (__stdcall *MEDIAINFO_New)();
279  static MEDIAINFO_New MediaInfo_New;
280  typedef void* (__stdcall *MEDIAINFOLIST_New)();
281  static MEDIAINFOLIST_New MediaInfoList_New;
282  typedef void (__stdcall *MEDIAINFO_Delete)(void*);
283  static MEDIAINFO_Delete MediaInfo_Delete;
284  typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*);
285  static MEDIAINFOLIST_Delete MediaInfoList_Delete;
286  typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*);
287  static MEDIAINFO_Open MediaInfo_Open;
288  typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C);
289  static MEDIAINFOLIST_Open MediaInfoList_Open;
290  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Init)(void*, MediaInfo_int64u File_Size, MediaInfo_int64u File_Offset);
291  static MEDIAINFO_Open_Buffer_Init MediaInfo_Open_Buffer_Init;
292  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Continue)(void*, MediaInfo_int8u* Buffer, size_t Buffer_Size);
293  static MEDIAINFO_Open_Buffer_Continue MediaInfo_Open_Buffer_Continue;
294  typedef MediaInfo_int64u(__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*);
295  static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
296  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*);
297  static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
298  typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*);
299  static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
300  typedef void (__stdcall *MEDIAINFO_Close)(void*);
301  static MEDIAINFO_Close MediaInfo_Close;
302  typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t);
303  static MEDIAINFOLIST_Close MediaInfoList_Close;
304  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved);
305  static MEDIAINFO_Inform MediaInfo_Inform;
306  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved);
307  static MEDIAINFOLIST_Inform MediaInfoList_Inform;
308  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_GetI)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
309  static MEDIAINFO_GetI MediaInfo_GetI;
310  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_GetI)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
311  static MEDIAINFOLIST_GetI MediaInfoList_GetI;
312  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber, const MediaInfo_Char* Parameter, MediaInfo_info_C KindOfInfo, MediaInfo_info_C KindOfSearch);
313  static MEDIAINFO_Get MediaInfo_Get;
314  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber, const MediaInfo_Char* Parameter, MediaInfo_info_C KindOfInfo, MediaInfo_info_C KindOfSearch);
315  static MEDIAINFOLIST_Get MediaInfoList_Get;
316  typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter);
317  static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
318  typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos);
319  static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
320  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
321  static MEDIAINFO_Option MediaInfo_Option;
322  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
323  static MEDIAINFOLIST_Option MediaInfoList_Option;
324  typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*);
325  static MEDIAINFO_State_Get MediaInfo_State_Get;
326  typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*);
327  static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
328  typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber);
329  static MEDIAINFO_Count_Get MediaInfo_Count_Get;
330  typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber);
331  static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
332  typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*);
333  static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
334  typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*);
335  static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
336 
337  static size_t MediaInfoDLL_Load()
338  {
339  size_t Errors = 0;
340 
341  if (Module_Count > 0) {
342  Module_Count++;
343  return 1;
344  }
345 
346  /* Load library */
347  #ifdef MEDIAINFO_GLIBC
348  MediaInfo_Module = g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
349  #elif defined(_WIN32) || defined(WIN32)
350  MediaInfo_Module = LoadLibrary(MEDIAINFODLL_NAME);
351  #else
352  #ifdef MACOSX
353  MediaInfo_Module = dlopen("@executable_path/" MEDIAINFODLL_NAME, RTLD_LAZY);
354  if (!MediaInfo_Module)
355  {
356  CFBundleRef mainBundle = CFBundleGetMainBundle();
357 
358  // get full app path and delete app name
359  CFURLRef app_url = CFBundleCopyExecutableURL(mainBundle);
360  CFURLRef app_path_url = CFURLCreateCopyDeletingLastPathComponent(NULL, app_url);
361 
362  CFStringRef app_path = CFURLCopyFileSystemPath(app_path_url, kCFURLPOSIXPathStyle);
363 
364  CFMutableStringRef mut_app_path = CFStringCreateMutableCopy(NULL, NULL, app_path);
365  CFStringAppend(mut_app_path, CFSTR("/"));
366  CFStringAppend(mut_app_path, CFSTR(MEDIAINFODLL_NAME));
367  CFStringEncoding encodingMethod = CFStringGetSystemEncoding();
368  const char *fullPath = CFStringGetCStringPtr(mut_app_path, encodingMethod);
369 
370  MediaInfo_Module = dlopen(fullPath, RTLD_LAZY);
371 
372  CFRelease(app_url);
373  CFRelease(app_path_url);
374  CFRelease(app_path);
375  CFRelease(mut_app_path);
376  }
377  #endif /* MACOSX*/
378 
379  if (!MediaInfo_Module)
380  MediaInfo_Module = dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
381  if (!MediaInfo_Module)
382  MediaInfo_Module = dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
383  if (!MediaInfo_Module)
384  MediaInfo_Module = dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
385  if (!MediaInfo_Module)
386  MediaInfo_Module = dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
387  if (!MediaInfo_Module)
388  MediaInfo_Module = dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
389  if (!MediaInfo_Module)
390  MediaInfo_Module = dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
391  #endif
392  if (!MediaInfo_Module)
393  return (size_t) - 1;
394 
395  /* Load methods */
396  MEDIAINFO_ASSIGN(New, "New")
397  MEDIAINFOLIST_ASSIGN(New, "New")
398  MEDIAINFO_ASSIGN(Delete, "Delete")
399  MEDIAINFOLIST_ASSIGN(Delete, "Delete")
400  MEDIAINFO_ASSIGN(Open, "Open")
401  MEDIAINFOLIST_ASSIGN(Open, "Open")
402  MEDIAINFO_ASSIGN(Open_Buffer_Init, "Open_Buffer_Init")
403  MEDIAINFO_ASSIGN(Open_Buffer_Continue, "Open_Buffer_Continue")
404  MEDIAINFO_ASSIGN(Open_Buffer_Continue_GoTo_Get, "Open_Buffer_Continue_GoTo_Get")
405  MEDIAINFO_ASSIGN(Open_Buffer_Finalize, "Open_Buffer_Finalize")
406  MEDIAINFO_ASSIGN(Open_NextPacket, "Open_NextPacket")
407  MEDIAINFO_ASSIGN(Close, "Close")
408  MEDIAINFOLIST_ASSIGN(Close, "Close")
409  MEDIAINFO_ASSIGN(Inform, "Inform")
410  MEDIAINFOLIST_ASSIGN(Inform, "Inform")
411  MEDIAINFO_ASSIGN(GetI, "GetI")
412  MEDIAINFOLIST_ASSIGN(GetI, "GetI")
413  MEDIAINFO_ASSIGN(Get, "Get")
414  MEDIAINFOLIST_ASSIGN(Get, "Get")
415  MEDIAINFO_ASSIGN(Output_Buffer_Get, "Output_Buffer_Get")
416  MEDIAINFO_ASSIGN(Output_Buffer_GetI, "Output_Buffer_GetI")
417  MEDIAINFO_ASSIGN(Option, "Option")
418  MEDIAINFOLIST_ASSIGN(Option, "Option")
419  MEDIAINFO_ASSIGN(State_Get, "State_Get")
420  MEDIAINFOLIST_ASSIGN(State_Get, "State_Get")
421  MEDIAINFO_ASSIGN(Count_Get, "Count_Get")
422  MEDIAINFOLIST_ASSIGN(Count_Get, "Count_Get")
423  MEDIAINFOLIST_ASSIGN(Count_Get_Files, "Count_Get_Files")
424  if (Errors > 0) {
425  // Unload DLL with errors
426  #ifdef MEDIAINFO_GLIBC
427  g_module_close(MediaInfo_Module);
428  #elif defined(_WIN32) || defined(WIN32)
429  FreeLibrary(MediaInfo_Module);
430  #else
431  dlclose(MediaInfo_Module);
432  #endif
433  MediaInfo_Module = NULL;
434  return (size_t) - 1;
435  }
436 
437  Module_Count++;
438  return (size_t)1;
439  }
440 
441  static size_t MediaInfoDLL_IsLoaded()
442  {
443  if (MediaInfo_Module)
444  return 1;
445  else
446  return 0;
447  }
448 
449  static void MediaInfoDLL_UnLoad()
450  {
451  Module_Count--;
452  if (Module_Count > 0)
453  return;
454 
455  #ifdef MEDIAINFO_GLIBC
456  g_module_close(MediaInfo_Module);
457  #elif defined(_WIN32) || defined(WIN32)
458  FreeLibrary(MediaInfo_Module);
459  #else
460  dlclose(MediaInfo_Module);
461  #endif
462  MediaInfo_Module = NULL;
463  }
464 
465 #ifdef __cplusplus
466 }
467 #endif /*__cplusplus*/
468 
469 /***************************************************************************/
470 /***************************************************************************/
471 /***************************************************************************/
472 
473 #ifdef __cplusplus
474 //DLL C++ wrapper for C functions
475 
476 //---------------------------------------------------------------------------
477 #include <string>
478 #include <sstream>
479 //---------------------------------------------------------------------------
480 
481 namespace MediaInfoDLL
482 {
483 
484  //---------------------------------------------------------------------------
485  //MediaInfo_Char types
486 #undef __T
487 #define __T(__x) __T(__x)
488 #if defined(UNICODE) || defined(_UNICODE)
489  typedef wchar_t Char;
490  #undef __T
491  #define __T(__x) L ## __x
492 #else
493  typedef char Char;
494  #undef __T
495  #define __T(__x) __x
496 #endif
497  typedef std::basic_string<Char> String;
498  typedef std::basic_stringstream<Char> StringStream;
499  typedef std::basic_istringstream<Char> iStringStream;
500  typedef std::basic_ostringstream<Char> oStringStream;
501  typedef std::basic_istringstream<Char> tiStringStream; // Legacy
502  typedef std::basic_ostringstream<Char> toStringStream; //Legacy
503  const size_t Error = (size_t)(-1);
504  //---------------------------------------------------------------------------
505 
506  //---------------------------------------------------------------------------
508  enum stream_t {
510  Stream_Video,
511  Stream_Audio,
512  Stream_Text,
513  Stream_Other,
514  Stream_Image,
515  Stream_Menu,
516  Stream_Max
517  };
518 
520  enum info_t {
521  Info_Name,
522  Info_Text,
523  Info_Measure,
524  Info_Options,
527  Info_Info,
528  Info_HowTo,
529  Info_Max
530  };
531 
536  enum infooptions_t {
538  InfoOption_Reserved,
541  InfoOption_Max
542  };
543 
545  enum fileoptions_t {
546  FileOption_Nothing = 0x00,
547  FileOption_NoRecursive = 0x01,
548  FileOption_CloseAll = 0x02,
549  FileOption_Max = 0x04
550  };
551 
552  const String Unable_Load_DLL = __T("Unable to load ")MEDIAINFODLL_NAME;
553 #define MEDIAINFO_TEST_VOID \
554  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return;}
555 #define MEDIAINFO_TEST_INT \
556  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return 0;}
557 #define MEDIAINFO_TEST_STRING \
558  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}
559 #define MEDIAINFO_TEST_STRING_STATIC \
560  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}
561 
562  //---------------------------------------------------------------------------
563  class MediaInfo
564  {
565  public :
566  MediaInfo() {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle = NULL; return;}; Handle = MediaInfo_New();};
567  ~MediaInfo() {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
568 
569  //File
570  size_t Open(const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
571  size_t Open_Buffer_Init(MediaInfo_int64u File_Size = (MediaInfo_int64u) - 1, MediaInfo_int64u File_Offset = 0) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Init(Handle, File_Size, File_Offset);};
572  size_t Open_Buffer_Continue(MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
573  MediaInfo_int64u Open_Buffer_Continue_GoTo_Get() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
574  size_t Open_Buffer_Finalize() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
575  size_t Open_NextPacket() {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
576  //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
577  void Close() {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
578 
579  //General information
580  String Inform() {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
581  String Get(stream_t StreamKind, size_t StreamNumber, size_t Parameter, info_t InfoKind = Info_Text) {MEDIAINFO_TEST_STRING; return MediaInfo_GetI(Handle, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter, (MediaInfo_info_C)InfoKind);};
582  String Get(stream_t StreamKind, size_t StreamNumber, const String &Parameter, info_t InfoKind = Info_Text, info_t SearchKind = Info_Name) {MEDIAINFO_TEST_STRING; return MediaInfo_Get(Handle, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter.c_str(), (MediaInfo_info_C)InfoKind, (MediaInfo_info_C)SearchKind);};
583  //size_t Set (const String &ToSet, stream_t StreamKind, size_t StreamNumber, size_t Parameter, const String &OldValue=__T("")) {MEDIAINFO_TEST_INT; return MediaInfo_SetI (Handle, ToSet.c_str(), (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter, OldValue.c_str());};
584  //size_t Set (const String &ToSet, stream_t StreamKind, size_t StreamNumber, const String &Parameter, const String &OldValue=__T("")) {MEDIAINFO_TEST_INT; return MediaInfo_Set (Handle, ToSet.c_str(), (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter.c_str(), OldValue.c_str());};
585  size_t Output_Buffer_Get(const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
586  size_t Output_Buffer_Get(size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
587  String Option(const String &Option, const String &Value = __T("")) {MEDIAINFO_TEST_STRING; return MediaInfo_Option(Handle, Option.c_str(), Value.c_str());};
588  static String Option_Static(const String &Option, const String &Value = __T("")) {if (!MediaInfo_Module) MediaInfoDLL_Load(); MEDIAINFO_TEST_STRING_STATIC; return MediaInfo_Option(NULL, Option.c_str(), Value.c_str());};
589  size_t State_Get() {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
590  size_t Count_Get(stream_t StreamKind, size_t StreamNumber = (size_t) - 1) {MEDIAINFO_TEST_INT; return MediaInfo_Count_Get(Handle, (MediaInfo_stream_C)StreamKind, StreamNumber);};
591 
592  bool IsReady() {return (Handle!=nullptr && MediaInfo_Module!=nullptr);}
593 
594  private :
595  void* Handle;
596  };
597 
598  class MediaInfoList
599  {
600  public :
601  MediaInfoList() {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle = NULL; return;}; Handle = MediaInfoList_New();};
602  ~MediaInfoList() {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
603 
604  //File
605  size_t Open(const String &File, const fileoptions_t Options = FileOption_Nothing) {MEDIAINFO_TEST_INT; return MediaInfoList_Open(Handle, File.c_str(), (MediaInfo_fileoptions_C)Options);};
606  //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
607  void Close(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
608 
609  //General information
610  String Inform(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
611  String Get(size_t FilePos, stream_t StreamKind, size_t StreamNumber, size_t Parameter, info_t InfoKind = Info_Text) {MEDIAINFO_TEST_STRING; return MediaInfoList_GetI(Handle, FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter, (MediaInfo_info_C)InfoKind);};
612  String Get(size_t FilePos, stream_t StreamKind, size_t StreamNumber, const String &Parameter, info_t InfoKind = Info_Text, info_t SearchKind = Info_Name) {MEDIAINFO_TEST_STRING; return MediaInfoList_Get(Handle, FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter.c_str(), (MediaInfo_info_C)InfoKind, (MediaInfo_info_C)SearchKind);};
613  //size_t Set (const String &ToSet, size_t FilePos, stream_t StreamKind, size_t StreamNumber, size_t Parameter, const String &OldValue=__T("")) {MEDIAINFO_TEST_INT; return MediaInfoList_SetI (Handle, ToSet.c_str(), FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter, OldValue.c_str());};
614  //size_t Set (const String &ToSet, size_t FilePos, stream_t StreamKind, size_t StreamNumber, const String &Parameter, const String &OldValue=__T("")) {MEDIAINFO_TEST_INT; return MediaInfoList_Set (Handle, ToSet.c_str(), FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber, Parameter.c_str(), OldValue.c_str());};
615  String Option(const String &Option, const String &Value = __T("")) {MEDIAINFO_TEST_STRING; return MediaInfoList_Option(Handle, Option.c_str(), Value.c_str());};
616  static String Option_Static(const String &Option, const String &Value = __T("")) {MEDIAINFO_TEST_STRING_STATIC; return MediaInfoList_Option(NULL, Option.c_str(), Value.c_str());};
617  size_t State_Get() {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
618  size_t Count_Get(size_t FilePos, stream_t StreamKind, size_t StreamNumber = (size_t) - 1) {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get(Handle, FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber);};
619  size_t Count_Get() {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
620 
621  bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}
622 
623  private :
624  void* Handle;
625  };
626 
627 } //NameSpace
628 #endif /*__cplusplus*/
629 
630 #endif
MediaInfoLib::FileOption_NoRecursive
@ FileOption_NoRecursive
Do not browse folders recursively.
Definition: MediaInfo_Const.h:105
MediaInfoLib::Info_Options
@ Info_Options
InfoKind = See infooptions_t.
Definition: MediaInfo_Const.h:78
MediaInfoLib::Info_Name
@ Info_Name
InfoKind = Unique name of parameter.
Definition: MediaInfo_Const.h:75
MediaInfoLib::InfoOption_TypeOfValue
@ InfoOption_TypeOfValue
Value return by a standard Get() can be : T (Text), I (Integer, warning up to 64 bits),...
Definition: MediaInfo_Const.h:96
MediaInfoLib::InfoOption_ShowInInform
@ InfoOption_ShowInInform
Show this parameter in Inform()
Definition: MediaInfo_Const.h:93
MediaInfoLib::InfoOption_ShowInSupported
@ InfoOption_ShowInSupported
Internal use only (info : Must be showed in Info_Capacities() )
Definition: MediaInfo_Const.h:95
MediaInfoLib::tiStringStream
std::basic_istringstream< MediaInfoLib::Char > tiStringStream
Unicode/Ansi independant istringstream.
Definition: MediaInfo_Const.h:127
MediaInfoLib::Stream_General
@ Stream_General
StreamKind = General.
Definition: MediaInfo_Const.h:62
MediaInfoLib::Info_HowTo
@ Info_HowTo
InfoKind = How this parameter is supported, could be N (No), B (Beta), R (Read only),...
Definition: MediaInfo_Const.h:82
MediaInfoLib::toStringStream
std::basic_ostringstream< MediaInfoLib::Char > toStringStream
Unicode/Ansi independant ostringstream.
Definition: MediaInfo_Const.h:128
MediaInfoLib::FileOption_CloseAll
@ FileOption_CloseAll
Close all files before open.
Definition: MediaInfo_Const.h:106
MediaInfoLib::String
std::basic_string< MediaInfoLib::Char > String
Unicode/Ansi independant string.
Definition: MediaInfo_Const.h:125
MediaInfoLib::Info_Name_Text
@ Info_Name_Text
InfoKind = Translated name of parameter.
Definition: MediaInfo_Const.h:79
MediaInfoLib::Char
char Char
Unicode/Ansi independant char.
Definition: MediaInfo_Const.h:121
MediaInfoLib::Stream_Menu
@ Stream_Menu
StreamKind = Menu.
Definition: MediaInfo_Const.h:68
MediaInfoLib::StringStream
std::basic_stringstream< MediaInfoLib::Char > StringStream
Unicode/Ansi independant stringstream.
Definition: MediaInfo_Const.h:126
MediaInfoLib::Info_Measure_Text
@ Info_Measure_Text
InfoKind = Translated name of measure unit.
Definition: MediaInfo_Const.h:80
MediaInfoLib::Stream_Text
@ Stream_Text
StreamKind = Text.
Definition: MediaInfo_Const.h:65
MediaInfoLib::Stream_Other
@ Stream_Other
StreamKind = Chapters.
Definition: MediaInfo_Const.h:66
MediaInfoLib::Stream_Audio
@ Stream_Audio
StreamKind = Audio.
Definition: MediaInfo_Const.h:64
MediaInfoLib::Stream_Video
@ Stream_Video
StreamKind = Video.
Definition: MediaInfo_Const.h:63
MediaInfoLib::infooptions_t
infooptions_t
Option if InfoKind = Info_Options.
Definition: MediaInfo_Const.h:91
MediaInfoLib::stream_t
stream_t
Kinds of Stream.
Definition: MediaInfo_Const.h:60
MediaInfoLib::Stream_Image
@ Stream_Image
StreamKind = Image.
Definition: MediaInfo_Const.h:67
MediaInfoLib::fileoptions_t
fileoptions_t
File opening options.
Definition: MediaInfo_Const.h:102
MediaInfoLib::info_t
info_t
Kind of information.
Definition: MediaInfo_Const.h:73
MediaInfoLib::Info_Text
@ Info_Text
InfoKind = Value of parameter.
Definition: MediaInfo_Const.h:76
MediaInfoLib::Info_Info
@ Info_Info
InfoKind = More information about the parameter.
Definition: MediaInfo_Const.h:81
MediaInfoLib::Info_Measure
@ Info_Measure
InfoKind = Unique name of measure unit of parameter.
Definition: MediaInfo_Const.h:77