MediaInfoDLL.h

00001 /* MediaInfoDLL - All info about media files, for DLL
00002 // Copyright (C) 2002-2012 MediaArea.net SARL, Info@MediaArea.net
00003 //
00004 // This library is free software: you can redistribute it and/or modify it
00005 // under the terms of the GNU Library General Public License as published by
00006 // the Free Software Foundation, either version 2 of the License, or
00007 // any later version.
00008 //
00009 // This library is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU Library General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU Library General Public License
00015 // along with this library. If not, see <http://www.gnu.org/licenses/>.
00016 //
00017 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
00018 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
00019 //
00020 // Public DLL interface implementation
00021 // Wrapper for MediaInfo Library
00022 // See MediaInfo.h for help
00023 //
00024 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
00025 
00026 #ifndef MediaInfoDLLH
00027 #define MediaInfoDLLH
00028 
00029 //***************************************************************************
00030 // Platforms (from libzen)
00031 //***************************************************************************
00032 
00033 /*---------------------------------------------------------------------------*/
00034 /*Win32*/
00035 #if defined(__NT__) || defined(_WIN32) || defined(WIN32)
00036     #ifndef WIN32
00037         #define WIN32
00038     #endif
00039     #ifndef _WIN32
00040         #define _WIN32
00041     #endif
00042     #ifndef __WIN32__
00043         #define __WIN32__ 1
00044     #endif
00045 #endif
00046 
00047 /*---------------------------------------------------------------------------*/
00048 /*Win64*/
00049 #if defined(_WIN64) || defined(WIN64)
00050     #ifndef WIN64
00051         #define WIN64
00052     #endif
00053     #ifndef _WIN64
00054         #define _WIN64
00055     #endif
00056     #ifndef __WIN64__
00057         #define __WIN64__ 1
00058     #endif
00059 #endif
00060 
00061 /*---------------------------------------------------------------------------*/
00062 /*Windows*/
00063 #if defined(WIN32) || defined(WIN64)
00064     #ifndef WINDOWS
00065         #define WINDOWS
00066     #endif
00067     #ifndef _WINDOWS
00068         #define _WINDOWS
00069     #endif
00070     #ifndef __WINDOWS__
00071         #define __WINDOWS__ 1
00072     #endif
00073 #endif
00074 
00075 /*---------------------------------------------------------------------------*/
00076 /*Unix (Linux, HP, Sun, BeOS...)*/
00077 #if defined(UNIX) || defined(_UNIX) || defined(__UNIX__)                    \
00078     || defined(__unix) || defined(__unix__)                                 \
00079     || defined(____SVR4____) || defined(__LINUX__) || defined(__sgi)        \
00080     || defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) \
00081     || defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
00082     #ifndef UNIX
00083         #define UNIX
00084     #endif
00085     #ifndef _UNIX
00086         #define _UNIX
00087     #endif
00088     #ifndef __UNIX__
00089         #define __UNIX__ 1
00090     #endif
00091 #endif
00092 
00093 /*---------------------------------------------------------------------------*/
00094 /*MacOS Classic*/
00095 #if defined(macintosh)
00096     #ifndef MACOS
00097         #define MACOS
00098     #endif
00099     #ifndef _MACOS
00100         #define _MACOS
00101     #endif
00102     #ifndef __MACOS__
00103         #define __MACOS__ 1
00104     #endif
00105 #endif
00106 
00107 /*---------------------------------------------------------------------------*/
00108 /*MacOS X*/
00109 #if defined(__APPLE__) && defined(__MACH__)
00110     #ifndef MACOSX
00111         #define MACOSX
00112     #endif
00113     #ifndef _MACOSX
00114         #define _MACOSX
00115     #endif
00116     #ifndef __MACOSX__
00117         #define __MACOSX__ 1
00118     #endif
00119 #endif
00120 
00121 /*Test of targets*/
00122 #if defined(WINDOWS) && defined(UNIX) && defined(MACOS) && defined(MACOSX)
00123     #pragma message Multiple platforms???
00124 #endif
00125 
00126 #if !defined(WIN32) && !defined(UNIX) && !defined(MACOS) && !defined(MACOSX)
00127     #pragma message No known platforms, assume default
00128 #endif
00129 
00130 /*-------------------------------------------------------------------------*/
00131 #if defined (_WIN32) || defined (WIN32)
00132     #ifdef _UNICODE
00133         #define MEDIAINFODLL_NAME L"MediaInfo.dll"
00134     #else //_UNICODE
00135         #define MEDIAINFODLL_NAME "MediaInfo.dll"
00136     #endif //_UNICODE
00137 #elif defined(__APPLE__) && defined(__MACH__)
00138     #define MEDIAINFODLL_NAME "libmediainfo.0.dylib"
00139     #define __stdcall
00140 #else
00141     #define MEDIAINFODLL_NAME "libmediainfo.so.0"
00142     #define __stdcall
00143 #endif 
00144 
00145 /*-------------------------------------------------------------------------*/
00146 /*Char types                                                               */
00147 #undef  __T
00148 #define __T(__x)    __T(__x)
00149 #if defined(UNICODE) || defined (_UNICODE)
00150     typedef wchar_t MediaInfo_Char;
00151     #undef  __T
00152     #define __T(__x) L ## __x
00153     #define MEDIAINFO_Ansi ""
00154 #else
00155     typedef char MediaInfo_Char;
00156     #undef  __T
00157     #define __T(__x) __x
00158     #define MEDIAINFO_Ansi "A"
00159 #endif
00160 /*-------------------------------------------------------------------------*/
00161 
00162 /*-------------------------------------------------------------------------*/
00163 /*8-bit int                                                                */
00164 typedef unsigned char MediaInfo_int8u;
00165 /*-------------------------------------------------------------------------*/
00166 
00167 /*-------------------------------------------------------------------------*/
00168 /*64-bit int                                                               */
00169 #if defined(__MINGW32__) || defined(__CYGWIN32__) || defined(__UNIX__) || defined(__MACOSX__)
00170     #undef  MAXTYPE_INT
00171     #define MAXTYPE_INT 64
00172     typedef unsigned long long MediaInfo_int64u;
00173 #elif defined(__WIN32__) || defined(_WIN32)
00174     #undef  MAXTYPE_INT
00175     #define MAXTYPE_INT 64
00176     typedef unsigned __int64   MediaInfo_int64u;
00177 #else
00178     #pragma message This machine has no 64-bit integer type?
00179 #endif
00180 /*-------------------------------------------------------------------------*/
00181 
00182 /*-------------------------------------------------------------------------*/
00183 /*NULL                                                                     */
00184 #ifndef NULL
00185     #define NULL 0
00186 #endif
00187 /*-------------------------------------------------------------------------*/
00188 
00190 typedef enum MediaInfo_stream_t {
00191     MediaInfo_Stream_General,
00192     MediaInfo_Stream_Video,
00193     MediaInfo_Stream_Audio,
00194     MediaInfo_Stream_Text,
00195     MediaInfo_Stream_Other,
00196     MediaInfo_Stream_Image,
00197     MediaInfo_Stream_Menu,
00198     MediaInfo_Stream_Max
00199 } MediaInfo_stream_C;
00200 
00202 typedef enum MediaInfo_info_t {
00203     MediaInfo_Info_Name,
00204     MediaInfo_Info_Text,
00205     MediaInfo_Info_Measure,
00206     MediaInfo_Info_Options,
00207     MediaInfo_Info_Name_Text,
00208     MediaInfo_Info_Measure_Text,
00209     MediaInfo_Info_Info,
00210     MediaInfo_Info_HowTo,
00211     MediaInfo_Info_Max
00212 } MediaInfo_info_C;
00213 
00215 typedef enum MediaInfo_infooptions_t {
00216     MediaInfo_InfoOption_ShowInInform,
00217     MediaInfo_InfoOption_Reserved,
00218     MediaInfo_InfoOption_ShowInSupported,
00219     MediaInfo_InfoOption_TypeOfValue,
00220     MediaInfo_InfoOption_Max
00221 } MediaInfo_infooptions_C;
00222 
00224 typedef enum MediaInfo_fileoptions_t {
00225     MediaInfo_FileOption_Nothing     = 0x00,
00226     MediaInfo_FileOption_NoRecursive = 0x01,
00227     MediaInfo_FileOption_CloseAll    = 0x02,
00228     MediaInfo_FileOption_Max         = 0x04
00229 } MediaInfo_fileoptions_C;
00230 
00231 
00232 #ifdef __cplusplus
00233 extern "C"
00234 {
00235 #endif /* __cplusplus */
00236 
00237 #ifdef MEDIAINFO_GLIBC
00238     #include <gmodule.h>
00239     static GModule* MediaInfo_Module = NULL;
00240 #elif defined (_WIN32) || defined (WIN32)
00241     #include <windows.h>
00242     static HMODULE  MediaInfo_Module = NULL;
00243 #else
00244     #include <dlfcn.h>
00245     static void* MediaInfo_Module = NULL;
00246 #endif
00247     static size_t Module_Count = 0;
00248 
00249 #ifdef MEDIAINFO_GLIBC
00250 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00251     if (!g_module_symbol (MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfo_##_Name)) \
00252         Errors++;
00253 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00254     if (!g_module_symbol (MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfoList_##_Name)) \
00255         Errors++;
00256 #elif defined (_WIN32) || defined (WIN32)
00257 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00258     MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
00259     if (MediaInfo_##_Name==NULL) Errors++;
00260 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00261     MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
00262     if (MediaInfoList_##_Name==NULL) Errors++;
00263 #else
00264 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00265     MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
00266     if (MediaInfo_##_Name==NULL) Errors++;
00267 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00268     MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
00269     if (MediaInfoList_##_Name==NULL) Errors++;
00270 #endif
00271 
00272     typedef void* (__stdcall *MEDIAINFO_New)();
00273     static MEDIAINFO_New MediaInfo_New;
00274     typedef void* (__stdcall *MEDIAINFOLIST_New)();
00275     static MEDIAINFOLIST_New MediaInfoList_New;
00276     typedef void (__stdcall *MEDIAINFO_Delete)(void*);
00277     static MEDIAINFO_Delete MediaInfo_Delete;
00278     typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*);
00279     static MEDIAINFOLIST_Delete MediaInfoList_Delete;
00280     typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*);
00281     static MEDIAINFO_Open MediaInfo_Open;
00282     typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C);
00283     static MEDIAINFOLIST_Open MediaInfoList_Open;
00284     typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Init)(void*, MediaInfo_int64u File_Size, MediaInfo_int64u File_Offset);
00285     static MEDIAINFO_Open_Buffer_Init MediaInfo_Open_Buffer_Init;
00286     typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Continue)(void*, MediaInfo_int8u* Buffer, size_t Buffer_Size);
00287     static MEDIAINFO_Open_Buffer_Continue MediaInfo_Open_Buffer_Continue;
00288     typedef MediaInfo_int64u(__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*);
00289     static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
00290     typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*);
00291     static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
00292     typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*);
00293     static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
00294     typedef void (__stdcall *MEDIAINFO_Close)(void*);
00295     static MEDIAINFO_Close MediaInfo_Close;
00296     typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t);
00297     static MEDIAINFOLIST_Close MediaInfoList_Close;
00298     typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved);
00299     static MEDIAINFO_Inform MediaInfo_Inform;
00300     typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved);
00301     static MEDIAINFOLIST_Inform MediaInfoList_Inform;
00302     typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_GetI)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
00303     static MEDIAINFO_GetI MediaInfo_GetI;
00304     typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_GetI)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo);
00305     static MEDIAINFOLIST_GetI MediaInfoList_GetI;
00306     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);
00307     static MEDIAINFO_Get MediaInfo_Get;
00308     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);
00309     static MEDIAINFOLIST_Get MediaInfoList_Get;
00310     typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter);
00311     static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
00312     typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos);
00313     static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
00314     typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
00315     static MEDIAINFO_Option MediaInfo_Option;
00316     typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
00317     static MEDIAINFOLIST_Option MediaInfoList_Option;
00318     typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*);
00319     static MEDIAINFO_State_Get MediaInfo_State_Get;
00320     typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*);
00321     static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
00322     typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber);
00323     static MEDIAINFO_Count_Get MediaInfo_Count_Get;
00324     typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber);
00325     static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
00326     typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*);
00327     static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
00328     typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*);
00329     static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
00330 
00331     static size_t MediaInfoDLL_Load()
00332     {
00333         size_t Errors = 0;
00334 
00335         if (Module_Count > 0) {
00336             Module_Count++;
00337             return 1;
00338         }
00339 
00340     /* Load library */
00341     #ifdef MEDIAINFO_GLIBC
00342         MediaInfo_Module = g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
00343     #elif defined (_WIN32) || defined (WIN32)
00344         MediaInfo_Module = LoadLibrary(MEDIAINFODLL_NAME);
00345     #else
00346         MediaInfo_Module = dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
00347         if (!MediaInfo_Module)
00348             MediaInfo_Module = dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
00349         if (!MediaInfo_Module)
00350             MediaInfo_Module = dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00351         if (!MediaInfo_Module)
00352             MediaInfo_Module = dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00353         if (!MediaInfo_Module)
00354             MediaInfo_Module = dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00355         if (!MediaInfo_Module)
00356             MediaInfo_Module = dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00357     #endif
00358         if (!MediaInfo_Module)
00359             return (size_t) - 1;
00360 
00361         /* Load methods */
00362         MEDIAINFO_ASSIGN(New, "New")
00363         MEDIAINFOLIST_ASSIGN(New, "New")
00364         MEDIAINFO_ASSIGN(Delete, "Delete")
00365         MEDIAINFOLIST_ASSIGN(Delete, "Delete")
00366         MEDIAINFO_ASSIGN(Open, "Open")
00367         MEDIAINFOLIST_ASSIGN(Open, "Open")
00368         MEDIAINFO_ASSIGN(Open_Buffer_Init, "Open_Buffer_Init")
00369         MEDIAINFO_ASSIGN(Open_Buffer_Continue, "Open_Buffer_Continue")
00370         MEDIAINFO_ASSIGN(Open_Buffer_Continue_GoTo_Get, "Open_Buffer_Continue_GoTo_Get")
00371         MEDIAINFO_ASSIGN(Open_Buffer_Finalize, "Open_Buffer_Finalize")
00372         MEDIAINFO_ASSIGN(Open_NextPacket, "Open_NextPacket")
00373         MEDIAINFO_ASSIGN(Close, "Close")
00374         MEDIAINFOLIST_ASSIGN(Close, "Close")
00375         MEDIAINFO_ASSIGN(Inform, "Inform")
00376         MEDIAINFOLIST_ASSIGN(Inform, "Inform")
00377         MEDIAINFO_ASSIGN(GetI, "GetI")
00378         MEDIAINFOLIST_ASSIGN(GetI, "GetI")
00379         MEDIAINFO_ASSIGN(Get, "Get")
00380         MEDIAINFOLIST_ASSIGN(Get, "Get")
00381         MEDIAINFO_ASSIGN(Output_Buffer_Get, "Output_Buffer_Get")
00382         MEDIAINFO_ASSIGN(Output_Buffer_GetI, "Output_Buffer_GetI")
00383         MEDIAINFO_ASSIGN(Option, "Option")
00384         MEDIAINFOLIST_ASSIGN(Option, "Option")
00385         MEDIAINFO_ASSIGN(State_Get, "State_Get")
00386         MEDIAINFOLIST_ASSIGN(State_Get, "State_Get")
00387         MEDIAINFO_ASSIGN(Count_Get, "Count_Get")
00388         MEDIAINFOLIST_ASSIGN(Count_Get, "Count_Get")
00389         MEDIAINFOLIST_ASSIGN(Count_Get_Files, "Count_Get_Files")
00390         if (Errors > 0) {
00391         // Unload DLL with errors
00392         #ifdef MEDIAINFO_GLIBC
00393             g_module_close(MediaInfo_Module);
00394         #elif defined (_WIN32) || defined (WIN32)
00395             FreeLibrary(MediaInfo_Module);
00396         #else
00397             dlclose(MediaInfo_Module);
00398        #endif
00399             MediaInfo_Module = NULL;
00400             return (size_t) - 1;
00401         }
00402 
00403         Module_Count++;
00404         return (size_t)1;
00405     }
00406 
00407     static size_t MediaInfoDLL_IsLoaded()
00408     {
00409         if (MediaInfo_Module)
00410             return 1;
00411         else
00412             return 0;
00413     }
00414 
00415     static void MediaInfoDLL_UnLoad()
00416     {
00417         Module_Count--;
00418         if (Module_Count > 0)
00419             return;
00420 
00421     #ifdef MEDIAINFO_GLIBC
00422         g_module_close(MediaInfo_Module);
00423     #elif defined (_WIN32) || defined (WIN32)
00424         FreeLibrary(MediaInfo_Module);
00425     #else
00426         dlclose(MediaInfo_Module);
00427     #endif
00428         MediaInfo_Module = NULL;
00429     }
00430 
00431 #ifdef __cplusplus
00432 }
00433 #endif /*__cplusplus*/
00434 
00435 /***************************************************************************/
00436 /***************************************************************************/
00437 /***************************************************************************/
00438 
00439 #ifdef __cplusplus
00440 //DLL C++ wrapper for C functions
00441 
00442 //---------------------------------------------------------------------------
00443 #include <string>
00444 #include <sstream>
00445 //---------------------------------------------------------------------------
00446 
00447 namespace MediaInfoDLL
00448 {
00449 
00450     //---------------------------------------------------------------------------
00451     //MediaInfo_Char types
00452 #undef  __T
00453 #define __T(__x)    __T(__x)
00454 #if defined(UNICODE) || defined (_UNICODE)
00455     typedef wchar_t Char;
00456     #undef  __T
00457     #define __T(__x) L ## __x
00458 #else
00459     typedef char Char;
00460     #undef  __T
00461     #define __T(__x) __x
00462 #endif
00463     typedef std::basic_string<Char>        String;
00464     typedef std::basic_stringstream<Char>  StringStream;
00465     typedef std::basic_istringstream<Char> iStringStream;
00466     typedef std::basic_ostringstream<Char> oStringStream;
00467     typedef std::basic_istringstream<Char> tiStringStream; // Legacy
00468     typedef std::basic_ostringstream<Char> toStringStream; //Legacy
00469     const size_t Error = (size_t)(-1);
00470     //---------------------------------------------------------------------------
00471 
00472     //---------------------------------------------------------------------------
00474     enum stream_t {
00475         Stream_General,                 
00476         Stream_Video,                   
00477         Stream_Audio,                   
00478         Stream_Text,                    
00479         Stream_Other,                   
00480         Stream_Image,                   
00481         Stream_Menu,                    
00482         Stream_Max
00483     };
00484 
00486     enum info_t {
00487         Info_Name,                      
00488         Info_Text,                      
00489         Info_Measure,                   
00490         Info_Options,                   
00491         Info_Name_Text,                 
00492         Info_Measure_Text,              
00493         Info_Info,                      
00494         Info_HowTo,                     
00495         Info_Max
00496     };
00497 
00502     enum infooptions_t {
00503         InfoOption_ShowInInform,        
00504         InfoOption_Reserved,            
00505         InfoOption_ShowInSupported,     
00506         InfoOption_TypeOfValue,         
00507         InfoOption_Max
00508     };
00509 
00511     enum fileoptions_t {
00512         FileOption_Nothing      = 0x00,
00513         FileOption_NoRecursive  = 0x01, 
00514         FileOption_CloseAll     = 0x02, 
00515         FileOption_Max          = 0x04
00516     };
00517 
00518     const String Unable_Load_DLL = __T("Unable to load ")MEDIAINFODLL_NAME;
00519 #define MEDIAINFO_TEST_VOID \
00520     if (!IsReady()) return
00521 #define MEDIAINFO_TEST_INT \
00522     if (!IsReady()) return 0
00523 #define MEDIAINFO_TEST_STRING \
00524     if (!IsReady()) return Unable_Load_DLL
00525 #define MEDIAINFO_TEST_STRING_STATIC \
00526     if (!MediaInfo_Module) return Unable_Load_DLL
00527 
00528     //---------------------------------------------------------------------------
00529     class MediaInfo
00530     {
00531     public :
00532         MediaInfo()        {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle = NULL; return;}; Handle = MediaInfo_New();};
00533         ~MediaInfo()       {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
00534 
00535         //File
00536         size_t Open(const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
00537         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);};
00538         size_t Open_Buffer_Continue(MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
00539         MediaInfo_int64u Open_Buffer_Continue_GoTo_Get() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
00540         size_t Open_Buffer_Finalize() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
00541         size_t Open_NextPacket() {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
00542         //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
00543         void Close() {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
00544 
00545         //General information
00546         String Inform()  {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
00547         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);};
00548         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);};
00549         //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());};
00550         //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());};
00551         size_t Output_Buffer_Get(const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
00552         size_t Output_Buffer_Get(size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
00553         String        Option(const String &Option, const String &Value = __T(""))  {MEDIAINFO_TEST_STRING; return MediaInfo_Option(Handle, Option.c_str(), Value.c_str());};
00554         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());};
00555         size_t        State_Get() {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
00556         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);};
00557 
00558         bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}
00559 
00560     private :
00561         void* Handle;
00562     };
00563 
00564     class MediaInfoList
00565     {
00566     public :
00567         MediaInfoList()        {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle = NULL; return;}; Handle = MediaInfoList_New();};
00568         ~MediaInfoList()       {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
00569 
00570         //File
00571         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);};
00572         //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
00573         void Close(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
00574 
00575         //General information
00576         String Inform(size_t FilePos = (size_t) - 1)  {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
00577         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);};
00578         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);};
00579         //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());};
00580         //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());};
00581         String        Option(const String &Option, const String &Value = __T(""))  {MEDIAINFO_TEST_STRING; return MediaInfoList_Option(Handle, Option.c_str(), Value.c_str());};
00582         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());};
00583         size_t        State_Get()  {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
00584         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);};
00585         size_t        Count_Get()  {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
00586 
00587         bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}
00588 
00589     private :
00590         void* Handle;
00591     };
00592 
00593 } //NameSpace
00594 #endif /*__cplusplus*/
00595 
00596 #endif

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