MediaInfoLib 0.7

MediaInfoDLL.h

00001 /* MediaInfoDLL - All info about media files, for DLL
00002 // Copyright (C) 2002-2009 Jerome Martinez, Zen@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 //!defined(_WIN32) || defined (WIN32)
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 {
00192     MediaInfo_Stream_General,
00193     MediaInfo_Stream_Video,
00194     MediaInfo_Stream_Audio,
00195     MediaInfo_Stream_Text,
00196     MediaInfo_Stream_Chapters,
00197     MediaInfo_Stream_Image,
00198     MediaInfo_Stream_Menu,
00199     MediaInfo_Stream_Max
00200 } MediaInfo_stream_C;
00201 
00203 typedef enum MediaInfo_info_t
00204 {
00205     MediaInfo_Info_Name,
00206     MediaInfo_Info_Text,
00207     MediaInfo_Info_Measure,
00208     MediaInfo_Info_Options,
00209     MediaInfo_Info_Name_Text,
00210     MediaInfo_Info_Measure_Text,
00211     MediaInfo_Info_Info,
00212     MediaInfo_Info_HowTo,
00213     MediaInfo_Info_Max
00214 } MediaInfo_info_C;
00215 
00217 typedef enum MediaInfo_infooptions_t
00218 {
00219     MediaInfo_InfoOption_ShowInInform,
00220     MediaInfo_InfoOption_Reserved,
00221     MediaInfo_InfoOption_ShowInSupported,
00222     MediaInfo_InfoOption_TypeOfValue,
00223     MediaInfo_InfoOption_Max
00224 } MediaInfo_infooptions_C;
00225 
00227 typedef enum MediaInfo_fileoptions_t
00228 {
00229     MediaInfo_FileOption_Nothing        =0x00,
00230     MediaInfo_FileOption_NoRecursive    =0x01,
00231     MediaInfo_FileOption_CloseAll       =0x02,
00232     MediaInfo_FileOption_Max            =0x04
00233 } MediaInfo_fileoptions_C;
00234 
00235 
00236 #ifdef __cplusplus
00237 extern "C"
00238 {
00239 #endif /* __cplusplus */
00240 
00241 #ifdef MEDIAINFO_GLIBC
00242     #include <gmodule.h>
00243     static GModule* MediaInfo_Module=NULL;
00244 #elif defined (_WIN32) || defined (WIN32)
00245     #include <windows.h>
00246     static HMODULE  MediaInfo_Module=NULL;
00247 #else
00248     #include <dlfcn.h>
00249     static void*    MediaInfo_Module=NULL;
00250 #endif
00251 static size_t Module_Count=0;
00252 
00253 #ifdef MEDIAINFO_GLIBC
00254 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00255     if (!g_module_symbol (MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfo_##_Name)) \
00256         Errors++;
00257 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00258     if (!g_module_symbol (MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfoList_##_Name)) \
00259         Errors++;
00260 #elif defined (_WIN32) || defined (WIN32)
00261 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00262     MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
00263     if (MediaInfo_##_Name==NULL) Errors++;
00264 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00265     MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
00266     if (MediaInfoList_##_Name==NULL) Errors++;
00267 #else
00268 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00269     MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
00270     if (MediaInfo_##_Name==NULL) Errors++;
00271 #define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
00272     MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
00273     if (MediaInfoList_##_Name==NULL) Errors++;
00274 #endif
00275 
00276 typedef void* (__stdcall *MEDIAINFO_New)(); static MEDIAINFO_New MediaInfo_New;
00277 typedef void* (__stdcall *MEDIAINFOLIST_New)(); static MEDIAINFOLIST_New MediaInfoList_New;
00278 typedef void (__stdcall *MEDIAINFO_Delete)(void*); static MEDIAINFO_Delete MediaInfo_Delete;
00279 typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*); static MEDIAINFOLIST_Delete MediaInfoList_Delete;
00280 typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*); static MEDIAINFO_Open MediaInfo_Open;
00281 typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C); static MEDIAINFOLIST_Open MediaInfoList_Open;
00282 typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Init)(void*, MediaInfo_int64u File_Size, MediaInfo_int64u File_Offset); static MEDIAINFO_Open_Buffer_Init MediaInfo_Open_Buffer_Init;
00283 typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Continue)(void*, MediaInfo_int8u* Buffer, size_t Buffer_Size); static MEDIAINFO_Open_Buffer_Continue MediaInfo_Open_Buffer_Continue;
00284 typedef MediaInfo_int64u (__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*); static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
00285 typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*); static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
00286 typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*); static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
00287 typedef void (__stdcall *MEDIAINFO_Close)(void*); static MEDIAINFO_Close MediaInfo_Close;
00288 typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t); static MEDIAINFOLIST_Close MediaInfoList_Close;
00289 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved); static MEDIAINFO_Inform MediaInfo_Inform;
00290 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved); static MEDIAINFOLIST_Inform MediaInfoList_Inform;
00291 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_GetI)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo); static MEDIAINFO_GetI MediaInfo_GetI;
00292 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_GetI)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber, size_t Parameter, MediaInfo_info_C KindOfInfo); static MEDIAINFOLIST_GetI MediaInfoList_GetI;
00293 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); static MEDIAINFO_Get MediaInfo_Get;
00294 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); static MEDIAINFOLIST_Get MediaInfoList_Get;
00295 typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter); static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
00296 typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos); static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
00297 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFO_Option MediaInfo_Option;
00298 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFOLIST_Option MediaInfoList_Option;
00299 typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*); static MEDIAINFO_State_Get MediaInfo_State_Get;
00300 typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*); static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
00301 typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFO_Count_Get MediaInfo_Count_Get;
00302 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
00303 typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*); static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
00304 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*); static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
00305 
00306 static size_t MediaInfoDLL_Load()
00307 {
00308     size_t Errors=0;
00309 
00310     if (Module_Count>0)
00311     {
00312         Module_Count++;
00313         return 1;
00314     }
00315 
00316     /* Load library */
00317     #ifdef MEDIAINFO_GLIBC
00318         MediaInfo_Module=g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
00319     #elif defined (_WIN32) || defined (WIN32)
00320         MediaInfo_Module=LoadLibrary(MEDIAINFODLL_NAME);
00321     #else
00322         MediaInfo_Module=dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
00323         if (!MediaInfo_Module)
00324             MediaInfo_Module=dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
00325         if (!MediaInfo_Module)
00326             MediaInfo_Module=dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00327         if (!MediaInfo_Module)
00328             MediaInfo_Module=dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00329         if (!MediaInfo_Module)
00330             MediaInfo_Module=dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00331         if (!MediaInfo_Module)
00332             MediaInfo_Module=dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00333     #endif
00334     if (!MediaInfo_Module)
00335         return (size_t)-1;
00336 
00337     /* Load methods */
00338     MEDIAINFO_ASSIGN    (New,"New")
00339     MEDIAINFOLIST_ASSIGN(New,"New")
00340     MEDIAINFO_ASSIGN    (Delete,"Delete")
00341     MEDIAINFOLIST_ASSIGN(Delete,"Delete")
00342     MEDIAINFO_ASSIGN    (Open,"Open")
00343     MEDIAINFOLIST_ASSIGN(Open,"Open")
00344     MEDIAINFO_ASSIGN    (Open_Buffer_Init,"Open_Buffer_Init")
00345     MEDIAINFO_ASSIGN    (Open_Buffer_Continue,"Open_Buffer_Continue")
00346     MEDIAINFO_ASSIGN    (Open_Buffer_Continue_GoTo_Get,"Open_Buffer_Continue_GoTo_Get")
00347     MEDIAINFO_ASSIGN    (Open_Buffer_Finalize,"Open_Buffer_Finalize")
00348     MEDIAINFO_ASSIGN    (Open_NextPacket,"Open_NextPacket")
00349     MEDIAINFO_ASSIGN    (Close,"Close")
00350     MEDIAINFOLIST_ASSIGN(Close,"Close")
00351     MEDIAINFO_ASSIGN    (Inform,"Inform")
00352     MEDIAINFOLIST_ASSIGN(Inform,"Inform")
00353     MEDIAINFO_ASSIGN    (GetI,"GetI")
00354     MEDIAINFOLIST_ASSIGN(GetI,"GetI")
00355     MEDIAINFO_ASSIGN    (Get,"Get")
00356     MEDIAINFOLIST_ASSIGN(Get,"Get")
00357     MEDIAINFO_ASSIGN    (Output_Buffer_Get,"Output_Buffer_Get")
00358     MEDIAINFO_ASSIGN    (Output_Buffer_GetI,"Output_Buffer_GetI")
00359     MEDIAINFO_ASSIGN    (Option,"Option")
00360     MEDIAINFOLIST_ASSIGN(Option,"Option")
00361     MEDIAINFO_ASSIGN    (State_Get,"State_Get")
00362     MEDIAINFOLIST_ASSIGN(State_Get,"State_Get")
00363     MEDIAINFO_ASSIGN    (Count_Get,"Count_Get")
00364     MEDIAINFOLIST_ASSIGN(Count_Get,"Count_Get")
00365     MEDIAINFOLIST_ASSIGN(Count_Get_Files,"Count_Get_Files")
00366     if (Errors>0)
00367     {
00368         // Unload DLL with errors
00369         #ifdef MEDIAINFO_GLIBC
00370             g_module_close(MediaInfo_Module);
00371         #elif defined (_WIN32) || defined (WIN32)
00372             FreeLibrary(MediaInfo_Module);
00373         #else
00374             dlclose(MediaInfo_Module);
00375        #endif
00376        MediaInfo_Module=NULL;
00377        return (size_t)-1;
00378     }
00379 
00380     Module_Count++;
00381     return (size_t)1;
00382 }
00383 
00384 static size_t MediaInfoDLL_IsLoaded()
00385 {
00386     if (MediaInfo_Module)
00387         return 1;
00388     else
00389         return 0;
00390 }
00391 
00392 static void MediaInfoDLL_UnLoad()
00393 {
00394     Module_Count--;
00395     if (Module_Count>0)
00396         return;
00397 
00398     #ifdef MEDIAINFO_GLIBC
00399         g_module_close(MediaInfo_Module);
00400     #elif defined (_WIN32) || defined (WIN32)
00401         FreeLibrary(MediaInfo_Module);
00402     #else
00403         dlclose(MediaInfo_Module);
00404     #endif
00405     MediaInfo_Module=NULL;
00406 }
00407 
00408 #ifdef __cplusplus
00409 }
00410 #endif /*__cplusplus*/
00411 
00412 /***************************************************************************/
00413 /***************************************************************************/
00414 /***************************************************************************/
00415 
00416 #ifdef __cplusplus
00417 //DLL C++ wrapper for C functions
00418 
00419 //---------------------------------------------------------------------------
00420 #include <string>
00421 #include <sstream>
00422 //---------------------------------------------------------------------------
00423 
00424 namespace MediaInfoDLL
00425 {
00426 
00427 //---------------------------------------------------------------------------
00428 //MediaInfo_Char types
00429 #undef  __T
00430 #define __T(__x)     __T(__x)
00431 #if defined(UNICODE) || defined (_UNICODE)
00432     typedef wchar_t Char;
00433     #undef  __T
00434     #define __T(__x) L ## __x
00435 #else
00436     typedef char Char;
00437     #undef  __T
00438     #define __T(__x) __x
00439 #endif
00440 typedef std::basic_string<Char>        String;
00441 typedef std::basic_stringstream<Char>  StringStream;
00442 typedef std::basic_istringstream<Char> iStringStream;
00443 typedef std::basic_ostringstream<Char> oStringStream;
00444 typedef std::basic_istringstream<Char> tiStringStream; // Legacy
00445 typedef std::basic_ostringstream<Char> toStringStream; //Legacy
00446 const size_t Error=(size_t)(-1);
00447 //---------------------------------------------------------------------------
00448 
00449 //---------------------------------------------------------------------------
00451 enum stream_t
00452 {
00453     Stream_General,                 
00454     Stream_Video,                   
00455     Stream_Audio,                   
00456     Stream_Text,                    
00457     Stream_Chapters,                
00458     Stream_Image,                   
00459     Stream_Menu,                    
00460     Stream_Max,
00461 };
00462 
00464 enum info_t
00465 {
00466     Info_Name,                      
00467     Info_Text,                      
00468     Info_Measure,                   
00469     Info_Options,                   
00470     Info_Name_Text,                 
00471     Info_Measure_Text,              
00472     Info_Info,                      
00473     Info_HowTo,                     
00474     Info_Max
00475 };
00476 
00481 enum infooptions_t
00482 {
00483     InfoOption_ShowInInform,        
00484     InfoOption_Reserved,            
00485     InfoOption_ShowInSupported,     
00486     InfoOption_TypeOfValue,         
00487     InfoOption_Max
00488 };
00489 
00491 enum fileoptions_t
00492 {
00493     FileOption_Nothing      =0x00,
00494     FileOption_NoRecursive  =0x01,  
00495     FileOption_CloseAll     =0x02,  
00496     FileOption_Max          =0x04
00497 };
00498 
00499 const String Unable_Load_DLL=__T("Unable to load ")MEDIAINFODLL_NAME;
00500 #define MEDIAINFO_TEST_VOID \
00501     if (!IsReady()) return
00502 #define MEDIAINFO_TEST_INT \
00503     if (!IsReady()) return 0
00504 #define MEDIAINFO_TEST_STRING \
00505     if (!IsReady()) return Unable_Load_DLL
00506 #define MEDIAINFO_TEST_STRING_STATIC \
00507     if (!MediaInfo_Module) return Unable_Load_DLL
00508 
00509 //---------------------------------------------------------------------------
00510 class MediaInfo
00511 {
00512 public :
00513     MediaInfo ()                {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle=NULL; return;}; Handle=MediaInfo_New();};
00514     ~MediaInfo ()               {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
00515 
00516     //File
00517     size_t Open (const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
00518     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);};
00519     size_t Open_Buffer_Continue (MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
00520     MediaInfo_int64u Open_Buffer_Continue_GoTo_Get () {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
00521     size_t Open_Buffer_Finalize () {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
00522     size_t Open_NextPacket () {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
00523     //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
00524     void Close () {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
00525 
00526     //General information
00527     String Inform ()  {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
00528     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);};
00529     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);};
00530     //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());};
00531     //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());};
00532     size_t Output_Buffer_Get (const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
00533     size_t Output_Buffer_Get (size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
00534     String        Option (const String &Option, const String &Value=__T(""))  {MEDIAINFO_TEST_STRING; return MediaInfo_Option (Handle, Option.c_str(), Value.c_str());};
00535     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());};
00536     size_t                  State_Get ()  {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
00537     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);};
00538 
00539     bool IsReady() {return (Handle && MediaInfo_Module)?true:false;}
00540 
00541 private :
00542     void* Handle;
00543 };
00544 
00545 class MediaInfoList
00546 {
00547 public :
00548     MediaInfoList ()                {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle=NULL; return;}; Handle=MediaInfoList_New();};
00549     ~MediaInfoList ()               {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
00550 
00551     //File
00552     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);};
00553     //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
00554     void Close (size_t FilePos=(size_t)-1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
00555 
00556     //General information
00557     String Inform (size_t FilePos=(size_t)-1)  {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
00558     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);};
00559     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);};
00560     //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());};
00561     //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());};
00562     String        Option (const String &Option, const String &Value=__T(""))  {MEDIAINFO_TEST_STRING; return MediaInfoList_Option (Handle, Option.c_str(), Value.c_str());};
00563     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());};
00564     size_t        State_Get ()  {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
00565     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);};
00566     size_t        Count_Get ()  {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
00567 
00568     bool IsReady() {return (Handle && MediaInfo_Module)?true:false;}
00569 
00570 private :
00571     void* Handle;
00572 };
00573 
00574 } //NameSpace
00575 #endif /*__cplusplus*/
00576 
00577 #endif