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  #define MEDIAINFODLL_NAME L"MediaInfo.dll"
123  #else //_UNICODE
124  #define MEDIAINFODLL_NAME "MediaInfo.dll"
125  #endif //_UNICODE
126 #elif defined(__APPLE__) && defined(__MACH__)
127  #define MEDIAINFODLL_NAME "libmediainfo.0.dylib"
128  #define __stdcall
129  #ifdef __cplusplus
130  #include <new> //for size_t
131  #else /* __cplusplus */
132  #include <stddef.h> //for size_t
133  #endif /* __cplusplus */
134 #else
135  #define MEDIAINFODLL_NAME "libmediainfo.so.0"
136  #define __stdcall
137 #endif
138 
139 /*-------------------------------------------------------------------------*/
140 /*Char types */
141 #undef __T
142 #define __T(__x) __T(__x)
143 #if defined(UNICODE) || defined(_UNICODE)
144  typedef wchar_t MediaInfo_Char;
145  #undef __T
146  #define __T(__x) L ## __x
147  #define MEDIAINFO_Ansi ""
148 #else
149  typedef char MediaInfo_Char;
150  #undef __T
151  #define __T(__x) __x
152  #define MEDIAINFO_Ansi "A"
153 #endif
154 /*-------------------------------------------------------------------------*/
155 
156 /*-------------------------------------------------------------------------*/
157 /*8-bit int */
158 typedef unsigned char MediaInfo_int8u;
159 /*-------------------------------------------------------------------------*/
160 
161 /*-------------------------------------------------------------------------*/
162 /*64-bit int */
163 #if defined(__MINGW32__) || defined(__CYGWIN32__) || defined(__UNIX__) || defined(__MACOSX__)
164  #undef MAXTYPE_INT
165  #define MAXTYPE_INT 64
166  typedef unsigned long long MediaInfo_int64u;
167 #elif defined(__WIN32__) || defined(_WIN32)
168  #undef MAXTYPE_INT
169  #define MAXTYPE_INT 64
170  typedef unsigned __int64 MediaInfo_int64u;
171 #else
172  #pragma message This machine has no 64-bit integer type?
173 #endif
174 /*-------------------------------------------------------------------------*/
175 
176 /*-------------------------------------------------------------------------*/
177 /*NULL */
178 #ifndef NULL
179  #define NULL 0
180 #endif
181 /*-------------------------------------------------------------------------*/
182 
184 typedef enum MediaInfo_stream_t {
185  MediaInfo_Stream_General,
186  MediaInfo_Stream_Video,
187  MediaInfo_Stream_Audio,
188  MediaInfo_Stream_Text,
189  MediaInfo_Stream_Other,
190  MediaInfo_Stream_Image,
191  MediaInfo_Stream_Menu,
192  MediaInfo_Stream_Max
193 } MediaInfo_stream_C;
194 
196 typedef enum MediaInfo_info_t {
197  MediaInfo_Info_Name,
198  MediaInfo_Info_Text,
199  MediaInfo_Info_Measure,
200  MediaInfo_Info_Options,
201  MediaInfo_Info_Name_Text,
202  MediaInfo_Info_Measure_Text,
203  MediaInfo_Info_Info,
204  MediaInfo_Info_HowTo,
205  MediaInfo_Info_Max
206 } MediaInfo_info_C;
207 
209 typedef enum MediaInfo_infooptions_t {
210  MediaInfo_InfoOption_ShowInInform,
211  MediaInfo_InfoOption_Reserved,
212  MediaInfo_InfoOption_ShowInSupported,
213  MediaInfo_InfoOption_TypeOfValue,
214  MediaInfo_InfoOption_Max
215 } MediaInfo_infooptions_C;
216 
218 typedef enum MediaInfo_fileoptions_t {
219  MediaInfo_FileOption_Nothing = 0x00,
220  MediaInfo_FileOption_NoRecursive = 0x01,
221  MediaInfo_FileOption_CloseAll = 0x02,
222  MediaInfo_FileOption_Max = 0x04
223 } MediaInfo_fileoptions_C;
224 
225 
226 #ifdef __cplusplus
227 extern "C"
228 {
229 #endif /* __cplusplus */
230 
231 #ifdef MEDIAINFO_GLIBC
232  #include <gmodule.h>
233  static GModule* MediaInfo_Module = NULL;
234 #elif defined(_WIN32) || defined(WIN32)
235  #include <windows.h>
236  static HMODULE MediaInfo_Module = NULL;
237 #else
238  #ifdef MACOSX
239  #include <CoreFoundation/CFBundle.h>
240  #endif
241 
242  #include <dlfcn.h>
243  static void* MediaInfo_Module = NULL;
244 #endif
245  static size_t Module_Count = 0;
246 
247 #ifdef MEDIAINFO_GLIBC
248 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
249  if (!g_module_symbol (MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfo_##_Name)) \
250  Errors++;
251 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
252  if (!g_module_symbol (MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfoList_##_Name)) \
253  Errors++;
254 #elif defined(_WIN32) || defined(WIN32)
255 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
256  MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
257  if (MediaInfo_##_Name==NULL) Errors++;
258 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
259  MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
260  if (MediaInfoList_##_Name==NULL) Errors++;
261 #else
262 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
263  MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
264  if (MediaInfo_##_Name==NULL) Errors++;
265 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
266  MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
267  if (MediaInfoList_##_Name==NULL) Errors++;
268 #endif
269 
270  typedef void* (__stdcall *MEDIAINFO_New)();
271  static MEDIAINFO_New MediaInfo_New;
272  typedef void* (__stdcall *MEDIAINFOLIST_New)();
273  static MEDIAINFOLIST_New MediaInfoList_New;
274  typedef void (__stdcall *MEDIAINFO_Delete)(void*);
275  static MEDIAINFO_Delete MediaInfo_Delete;
276  typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*);
277  static MEDIAINFOLIST_Delete MediaInfoList_Delete;
278  typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*);
279  static MEDIAINFO_Open MediaInfo_Open;
280  typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C);
281  static MEDIAINFOLIST_Open MediaInfoList_Open;
282  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Init)(void*, MediaInfo_int64u File_Size, MediaInfo_int64u File_Offset);
283  static MEDIAINFO_Open_Buffer_Init MediaInfo_Open_Buffer_Init;
284  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Continue)(void*, MediaInfo_int8u* Buffer, size_t Buffer_Size);
285  static MEDIAINFO_Open_Buffer_Continue MediaInfo_Open_Buffer_Continue;
286  typedef MediaInfo_int64u(__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*);
287  static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
288  typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*);
289  static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
290  typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*);
291  static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
292  typedef void (__stdcall *MEDIAINFO_Close)(void*);
293  static MEDIAINFO_Close MediaInfo_Close;
294  typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t);
295  static MEDIAINFOLIST_Close MediaInfoList_Close;
296  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved);
297  static MEDIAINFO_Inform MediaInfo_Inform;
298  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved);
299  static MEDIAINFOLIST_Inform MediaInfoList_Inform;
300  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_GetI)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
301  static MEDIAINFO_GetI MediaInfo_GetI;
302  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_GetI)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
303  static MEDIAINFOLIST_GetI MediaInfoList_GetI;
304  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);
305  static MEDIAINFO_Get MediaInfo_Get;
306  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);
307  static MEDIAINFOLIST_Get MediaInfoList_Get;
308  typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter);
309  static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
310  typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos);
311  static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
312  typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
313  static MEDIAINFO_Option MediaInfo_Option;
314  typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
315  static MEDIAINFOLIST_Option MediaInfoList_Option;
316  typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*);
317  static MEDIAINFO_State_Get MediaInfo_State_Get;
318  typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*);
319  static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
320  typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber);
321  static MEDIAINFO_Count_Get MediaInfo_Count_Get;
322  typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber);
323  static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
324  typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*);
325  static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
326  typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*);
327  static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
328 
329  static size_t MediaInfoDLL_Load()
330  {
331  size_t Errors = 0;
332 
333  if (Module_Count > 0) {
334  Module_Count++;
335  return 1;
336  }
337 
338  /* Load library */
339  #ifdef MEDIAINFO_GLIBC
340  MediaInfo_Module = g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
341  #elif defined(_WIN32) || defined(WIN32)
342  MediaInfo_Module = LoadLibrary(MEDIAINFODLL_NAME);
343  #else
344  #ifdef MACOSX
345  MediaInfo_Module = dlopen("@executable_path/" MEDIAINFODLL_NAME, RTLD_LAZY);
346  if (!MediaInfo_Module)
347  {
348  CFBundleRef mainBundle = CFBundleGetMainBundle();
349 
350  // get full app path and delete app name
351  CFURLRef app_url = CFBundleCopyExecutableURL(mainBundle);
352  CFURLRef app_path_url = CFURLCreateCopyDeletingLastPathComponent(NULL, app_url);
353 
354  CFStringRef app_path = CFURLCopyFileSystemPath(app_path_url, kCFURLPOSIXPathStyle);
355 
356  CFMutableStringRef mut_app_path = CFStringCreateMutableCopy(NULL, NULL, app_path);
357  CFStringAppend(mut_app_path, CFSTR("/"));
358  CFStringAppend(mut_app_path, CFSTR(MEDIAINFODLL_NAME));
359  CFStringEncoding encodingMethod = CFStringGetSystemEncoding();
360  const char *fullPath = CFStringGetCStringPtr(mut_app_path, encodingMethod);
361 
362  MediaInfo_Module = dlopen(fullPath, RTLD_LAZY);
363 
364  CFRelease(app_url);
365  CFRelease(app_path_url);
366  CFRelease(app_path);
367  CFRelease(mut_app_path);
368  }
369  #endif /* MACOSX*/
370 
371  if (!MediaInfo_Module)
372  MediaInfo_Module = dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
373  if (!MediaInfo_Module)
374  MediaInfo_Module = dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
375  if (!MediaInfo_Module)
376  MediaInfo_Module = dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
377  if (!MediaInfo_Module)
378  MediaInfo_Module = dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
379  if (!MediaInfo_Module)
380  MediaInfo_Module = dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
381  if (!MediaInfo_Module)
382  MediaInfo_Module = dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
383  #endif
384  if (!MediaInfo_Module)
385  return (size_t) - 1;
386 
387  /* Load methods */
388  MEDIAINFO_ASSIGN(New, "New")
389  MEDIAINFOLIST_ASSIGN(New, "New")
390  MEDIAINFO_ASSIGN(Delete, "Delete")
391  MEDIAINFOLIST_ASSIGN(Delete, "Delete")
392  MEDIAINFO_ASSIGN(Open, "Open")
393  MEDIAINFOLIST_ASSIGN(Open, "Open")
394  MEDIAINFO_ASSIGN(Open_Buffer_Init, "Open_Buffer_Init")
395  MEDIAINFO_ASSIGN(Open_Buffer_Continue, "Open_Buffer_Continue")
396  MEDIAINFO_ASSIGN(Open_Buffer_Continue_GoTo_Get, "Open_Buffer_Continue_GoTo_Get")
397  MEDIAINFO_ASSIGN(Open_Buffer_Finalize, "Open_Buffer_Finalize")
398  MEDIAINFO_ASSIGN(Open_NextPacket, "Open_NextPacket")
399  MEDIAINFO_ASSIGN(Close, "Close")
400  MEDIAINFOLIST_ASSIGN(Close, "Close")
401  MEDIAINFO_ASSIGN(Inform, "Inform")
402  MEDIAINFOLIST_ASSIGN(Inform, "Inform")
403  MEDIAINFO_ASSIGN(GetI, "GetI")
404  MEDIAINFOLIST_ASSIGN(GetI, "GetI")
405  MEDIAINFO_ASSIGN(Get, "Get")
406  MEDIAINFOLIST_ASSIGN(Get, "Get")
407  MEDIAINFO_ASSIGN(Output_Buffer_Get, "Output_Buffer_Get")
408  MEDIAINFO_ASSIGN(Output_Buffer_GetI, "Output_Buffer_GetI")
409  MEDIAINFO_ASSIGN(Option, "Option")
410  MEDIAINFOLIST_ASSIGN(Option, "Option")
411  MEDIAINFO_ASSIGN(State_Get, "State_Get")
412  MEDIAINFOLIST_ASSIGN(State_Get, "State_Get")
413  MEDIAINFO_ASSIGN(Count_Get, "Count_Get")
414  MEDIAINFOLIST_ASSIGN(Count_Get, "Count_Get")
415  MEDIAINFOLIST_ASSIGN(Count_Get_Files, "Count_Get_Files")
416  if (Errors > 0) {
417  // Unload DLL with errors
418  #ifdef MEDIAINFO_GLIBC
419  g_module_close(MediaInfo_Module);
420  #elif defined(_WIN32) || defined(WIN32)
421  FreeLibrary(MediaInfo_Module);
422  #else
423  dlclose(MediaInfo_Module);
424  #endif
425  MediaInfo_Module = NULL;
426  return (size_t) - 1;
427  }
428 
429  Module_Count++;
430  return (size_t)1;
431  }
432 
433  static size_t MediaInfoDLL_IsLoaded()
434  {
435  if (MediaInfo_Module)
436  return 1;
437  else
438  return 0;
439  }
440 
441  static void MediaInfoDLL_UnLoad()
442  {
443  Module_Count--;
444  if (Module_Count > 0)
445  return;
446 
447  #ifdef MEDIAINFO_GLIBC
448  g_module_close(MediaInfo_Module);
449  #elif defined(_WIN32) || defined(WIN32)
450  FreeLibrary(MediaInfo_Module);
451  #else
452  dlclose(MediaInfo_Module);
453  #endif
454  MediaInfo_Module = NULL;
455  }
456 
457 #ifdef __cplusplus
458 }
459 #endif /*__cplusplus*/
460 
461 /***************************************************************************/
462 /***************************************************************************/
463 /***************************************************************************/
464 
465 #ifdef __cplusplus
466 //DLL C++ wrapper for C functions
467 
468 //---------------------------------------------------------------------------
469 #include <string>
470 #include <sstream>
471 //---------------------------------------------------------------------------
472 
473 namespace MediaInfoDLL
474 {
475 
476  //---------------------------------------------------------------------------
477  //MediaInfo_Char types
478 #undef __T
479 #define __T(__x) __T(__x)
480 #if defined(UNICODE) || defined(_UNICODE)
481  typedef wchar_t Char;
482  #undef __T
483  #define __T(__x) L ## __x
484 #else
485  typedef char Char;
486  #undef __T
487  #define __T(__x) __x
488 #endif
489  typedef std::basic_string<Char> String;
490  typedef std::basic_stringstream<Char> StringStream;
491  typedef std::basic_istringstream<Char> iStringStream;
492  typedef std::basic_ostringstream<Char> oStringStream;
493  typedef std::basic_istringstream<Char> tiStringStream; // Legacy
494  typedef std::basic_ostringstream<Char> toStringStream; //Legacy
495  const size_t Error = (size_t)(-1);
496  //---------------------------------------------------------------------------
497 
498  //---------------------------------------------------------------------------
500  enum stream_t {
501  Stream_General,
502  Stream_Video,
503  Stream_Audio,
504  Stream_Text,
505  Stream_Other,
506  Stream_Image,
507  Stream_Menu,
508  Stream_Max
509  };
510 
512  enum info_t {
513  Info_Name,
514  Info_Text,
515  Info_Measure,
516  Info_Options,
517  Info_Name_Text,
518  Info_Measure_Text,
519  Info_Info,
520  Info_HowTo,
521  Info_Max
522  };
523 
528  enum infooptions_t {
529  InfoOption_ShowInInform,
530  InfoOption_Reserved,
531  InfoOption_ShowInSupported,
532  InfoOption_TypeOfValue,
533  InfoOption_Max
534  };
535 
537  enum fileoptions_t {
538  FileOption_Nothing = 0x00,
539  FileOption_NoRecursive = 0x01,
540  FileOption_CloseAll = 0x02,
541  FileOption_Max = 0x04
542  };
543 
544  const String Unable_Load_DLL = __T("Unable to load ")MEDIAINFODLL_NAME;
545 #define MEDIAINFO_TEST_VOID \
546  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return;}
547 #define MEDIAINFO_TEST_INT \
548  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return 0;}
549 #define MEDIAINFO_TEST_STRING \
550  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}
551 #define MEDIAINFO_TEST_STRING_STATIC \
552  if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}
553 
554  //---------------------------------------------------------------------------
555  class MediaInfo
556  {
557  public :
558  MediaInfo() {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle = NULL; return;}; Handle = MediaInfo_New();};
559  ~MediaInfo() {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
560 
561  //File
562  size_t Open(const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
563  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);};
564  size_t Open_Buffer_Continue(MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
565  MediaInfo_int64u Open_Buffer_Continue_GoTo_Get() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
566  size_t Open_Buffer_Finalize() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
567  size_t Open_NextPacket() {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
568  //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
569  void Close() {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
570 
571  //General information
572  String Inform() {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
573  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);};
574  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);};
575  //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());};
576  //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());};
577  size_t Output_Buffer_Get(const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
578  size_t Output_Buffer_Get(size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
579  String Option(const String &Option, const String &Value = __T("")) {MEDIAINFO_TEST_STRING; return MediaInfo_Option(Handle, Option.c_str(), Value.c_str());};
580  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());};
581  size_t State_Get() {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
582  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);};
583 
584  bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}
585 
586  private :
587  void* Handle;
588  };
589 
590  class MediaInfoList
591  {
592  public :
593  MediaInfoList() {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle = NULL; return;}; Handle = MediaInfoList_New();};
594  ~MediaInfoList() {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
595 
596  //File
597  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);};
598  //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
599  void Close(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
600 
601  //General information
602  String Inform(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
603  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);};
604  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);};
605  //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());};
606  //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());};
607  String Option(const String &Option, const String &Value = __T("")) {MEDIAINFO_TEST_STRING; return MediaInfoList_Option(Handle, Option.c_str(), Value.c_str());};
608  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());};
609  size_t State_Get() {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
610  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);};
611  size_t Count_Get() {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
612 
613  bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}
614 
615  private :
616  void* Handle;
617  };
618 
619 } //NameSpace
620 #endif /*__cplusplus*/
621 
622 #endif
MediaInfoLib::FileOption_NoRecursive
Do not browse folders recursively.
Definition: MediaInfo_Const.h:104
MediaInfoLib::FileOption_CloseAll
Close all files before open.
Definition: MediaInfo_Const.h:105
MediaInfoLib::Info_Name
InfoKind = Unique name of parameter.
Definition: MediaInfo_Const.h:75
MediaInfoLib::Info_Name_Text
InfoKind = Translated name of parameter.
Definition: MediaInfo_Const.h:79
MediaInfoLib::Stream_Text
StreamKind = Text.
Definition: MediaInfo_Const.h:65
MediaInfoLib::String
std::basic_string< MediaInfoLib::Char > String
Unicode/Ansi independant string.
Definition: MediaInfo_Const.h:124
MediaInfoLib::Stream_Other
StreamKind = Chapters.
Definition: MediaInfo_Const.h:66
MediaInfoLib::Stream_Menu
StreamKind = Menu.
Definition: MediaInfo_Const.h:68
MediaInfoLib::Info_Options
InfoKind = See infooptions_t.
Definition: MediaInfo_Const.h:78
MediaInfoLib::InfoOption_ShowInInform
Show this parameter in Inform()
Definition: MediaInfo_Const.h:93
MediaInfoLib::Info_Measure_Text
InfoKind = Translated name of measure unit.
Definition: MediaInfo_Const.h:80
MediaInfoLib::Info_HowTo
InfoKind = How this parameter is supported, could be N (No), B (Beta), R (Read only), W (Read/Write)
Definition: MediaInfo_Const.h:82
MediaInfoLib::StringStream
std::basic_stringstream< MediaInfoLib::Char > StringStream
Unicode/Ansi independant stringstream.
Definition: MediaInfo_Const.h:125
MediaInfoLib::Stream_General
StreamKind = General.
Definition: MediaInfo_Const.h:62
MediaInfoLib::InfoOption_ShowInSupported
Internal use only (info : Must be showed in Info_Capacities() )
Definition: MediaInfo_Const.h:95
MediaInfoLib::info_t
info_t
Kind of information.
Definition: MediaInfo_Const.h:73
MediaInfoLib::InfoOption_TypeOfValue
Value return by a standard Get() can be : T (Text), I (Integer, warning up to 64 bits), F (Float), D (Date), B (Binary datas coded Base64) (Numbers are in Base 10)
Definition: MediaInfo_Const.h:96
MediaInfoLib::fileoptions_t
fileoptions_t
File opening options.
Definition: MediaInfo_Const.h:101
MediaInfoLib::stream_t
stream_t
Kinds of Stream.
Definition: MediaInfo_Const.h:60
MediaInfoLib::Stream_Audio
StreamKind = Audio.
Definition: MediaInfo_Const.h:64
MediaInfoLib::Info_Measure
InfoKind = Unique name of measure unit of parameter.
Definition: MediaInfo_Const.h:77
MediaInfoLib::Stream_Image
StreamKind = Image.
Definition: MediaInfo_Const.h:67
MediaInfoLib::tiStringStream
std::basic_istringstream< MediaInfoLib::Char > tiStringStream
Unicode/Ansi independant istringstream.
Definition: MediaInfo_Const.h:126
MediaInfoLib::toStringStream
std::basic_ostringstream< MediaInfoLib::Char > toStringStream
Unicode/Ansi independant ostringstream.
Definition: MediaInfo_Const.h:127
MediaInfoLib::Char
char Char
Unicode/Ansi independant char.
Definition: MediaInfo_Const.h:120
MediaInfoLib::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::Info_Text
InfoKind = Value of parameter.
Definition: MediaInfo_Const.h:76
MediaInfoLib::Info_Info
InfoKind = More information about the parameter.
Definition: MediaInfo_Const.h:81
Generated on Sat Jul 18 2015 11:17:54 for MediaInfoLib by   doxygen 1.8.8