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 Lesser General Public License as published by
00006 // the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU Lesser 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     #define MEDIAINFODLL_NAME  "MediaInfo.dll"
00133 #elif defined(__APPLE__) && defined(__MACH__)
00134     #define MEDIAINFODLL_NAME  "libmediainfo.0.dylib"
00135     #define __stdcall
00136 #else
00137     #define MEDIAINFODLL_NAME  "libmediainfo.so.0"
00138     #define __stdcall
00139 #endif //!defined(_WIN32) || defined (WIN32)
00140 
00141 /*-------------------------------------------------------------------------*/
00142 /*Char types                                                               */
00143 #undef  _T
00144 #define _T(__x)     __T(__x)
00145 #if defined(UNICODE) || defined (_UNICODE)
00146     typedef wchar_t MediaInfo_Char;
00147     #undef  __T
00148     #define __T(__x) L ## __x
00149     #define MEDIAINFO_Ansi ""
00150 #else
00151     typedef char MediaInfo_Char;
00152     #undef  __T
00153     #define __T(__x) __x
00154     #define MEDIAINFO_Ansi "A"
00155 #endif
00156 /*-------------------------------------------------------------------------*/
00157 
00158 /*-------------------------------------------------------------------------*/
00159 /*8-bit int                                                                */
00160 typedef unsigned char       MediaInfo_int8u;
00161 /*-------------------------------------------------------------------------*/
00162 
00163 /*-------------------------------------------------------------------------*/
00164 /*64-bit int                                                               */
00165 #if defined(__MINGW32__) || defined(__CYGWIN32__) || defined(__UNIX__) || defined(__MACOSX__)
00166     #undef  MAXTYPE_INT
00167     #define MAXTYPE_INT 64
00168     typedef unsigned long long  MediaInfo_int64u;
00169 #elif defined(__WIN32__) || defined(_WIN32)
00170     #undef  MAXTYPE_INT
00171     #define MAXTYPE_INT 64
00172     typedef unsigned __int64    MediaInfo_int64u;
00173 #else
00174     #pragma message This machine has no 64-bit integer type?
00175 #endif
00176 /*-------------------------------------------------------------------------*/
00177 
00178 /*-------------------------------------------------------------------------*/
00179 /*NULL                                                                      */
00180 #ifndef NULL
00181     #define NULL 0
00182 #endif
00183 /*-------------------------------------------------------------------------*/
00184 
00186 typedef enum MediaInfo_stream_t
00187 {
00188     MediaInfo_Stream_General,
00189     MediaInfo_Stream_Video,
00190     MediaInfo_Stream_Audio,
00191     MediaInfo_Stream_Text,
00192     MediaInfo_Stream_Chapters,
00193     MediaInfo_Stream_Image,
00194     MediaInfo_Stream_Menu,
00195     MediaInfo_Stream_Max
00196 } MediaInfo_stream_C;
00197 
00199 typedef enum MediaInfo_info_t
00200 {
00201     MediaInfo_Info_Name,
00202     MediaInfo_Info_Text,
00203     MediaInfo_Info_Measure,
00204     MediaInfo_Info_Options,
00205     MediaInfo_Info_Name_Text,
00206     MediaInfo_Info_Measure_Text,
00207     MediaInfo_Info_Info,
00208     MediaInfo_Info_HowTo,
00209     MediaInfo_Info_Max
00210 } MediaInfo_info_C;
00211 
00213 typedef enum MediaInfo_infooptions_t
00214 {
00215     MediaInfo_InfoOption_ShowInInform,
00216     MediaInfo_InfoOption_Reserved,
00217     MediaInfo_InfoOption_ShowInSupported,
00218     MediaInfo_InfoOption_TypeOfValue,
00219     MediaInfo_InfoOption_Max
00220 } MediaInfo_infooptions_C;
00221 
00223 typedef enum MediaInfo_fileoptions_t
00224 {
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)(); static MEDIAINFO_New MediaInfo_New;
00273 typedef void* (__stdcall *MEDIAINFOLIST_New)(); static MEDIAINFOLIST_New MediaInfoList_New;
00274 typedef void (__stdcall *MEDIAINFO_Delete)(void*); static MEDIAINFO_Delete MediaInfo_Delete;
00275 typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*); static MEDIAINFOLIST_Delete MediaInfoList_Delete;
00276 typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*); static MEDIAINFO_Open MediaInfo_Open;
00277 typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C); static MEDIAINFOLIST_Open MediaInfoList_Open;
00278 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;
00279 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;
00280 typedef MediaInfo_int64u (__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*); static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
00281 typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*); static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
00282 typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*); static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
00283 typedef void (__stdcall *MEDIAINFO_Close)(void*); static MEDIAINFO_Close MediaInfo_Close;
00284 typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t); static MEDIAINFOLIST_Close MediaInfoList_Close;
00285 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved); static MEDIAINFO_Inform MediaInfo_Inform;
00286 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved); static MEDIAINFOLIST_Inform MediaInfoList_Inform;
00287 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;
00288 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;
00289 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;
00290 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;
00291 typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter); static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
00292 typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos); static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
00293 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFO_Option MediaInfo_Option;
00294 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFOLIST_Option MediaInfoList_Option;
00295 typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*); static MEDIAINFO_State_Get MediaInfo_State_Get;
00296 typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*); static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
00297 typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFO_Count_Get MediaInfo_Count_Get;
00298 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
00299 typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*); static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
00300 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*); static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
00301 
00302 static size_t MediaInfoDLL_Load()
00303 {
00304     size_t Errors=0;
00305 
00306     if (Module_Count>0)
00307     {
00308         Module_Count++;
00309         return 1;
00310     }
00311 
00312     /* Load library */
00313     #ifdef MEDIAINFO_GLIBC
00314         MediaInfo_Module=g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
00315     #elif defined (_WIN32) || defined (WIN32)
00316         MediaInfo_Module=LoadLibrary(_T(MEDIAINFODLL_NAME));
00317     #else
00318         MediaInfo_Module=dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
00319         if (!MediaInfo_Module)
00320             MediaInfo_Module=dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
00321         if (!MediaInfo_Module)
00322             MediaInfo_Module=dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00323         if (!MediaInfo_Module)
00324             MediaInfo_Module=dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00325         if (!MediaInfo_Module)
00326             MediaInfo_Module=dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
00327         if (!MediaInfo_Module)
00328             MediaInfo_Module=dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
00329     #endif
00330     if (!MediaInfo_Module)
00331         return (size_t)-1;
00332 
00333     /* Load methods */
00334     MEDIAINFO_ASSIGN    (New,"New")
00335     MEDIAINFOLIST_ASSIGN(New,"New")
00336     MEDIAINFO_ASSIGN    (Delete,"Delete")
00337     MEDIAINFOLIST_ASSIGN(Delete,"Delete")
00338     MEDIAINFO_ASSIGN    (Open,"Open")
00339     MEDIAINFOLIST_ASSIGN(Open,"Open")
00340     MEDIAINFO_ASSIGN    (Open_Buffer_Init,"Open_Buffer_Init")
00341     MEDIAINFO_ASSIGN    (Open_Buffer_Continue,"Open_Buffer_Continue")
00342     MEDIAINFO_ASSIGN    (Open_Buffer_Continue_GoTo_Get,"Open_Buffer_Continue_GoTo_Get")
00343     MEDIAINFO_ASSIGN    (Open_Buffer_Finalize,"Open_Buffer_Finalize")
00344     MEDIAINFO_ASSIGN    (Open_NextPacket,"Open_NextPacket")
00345     MEDIAINFO_ASSIGN    (Close,"Close")
00346     MEDIAINFOLIST_ASSIGN(Close,"Close")
00347     MEDIAINFO_ASSIGN    (Inform,"Inform")
00348     MEDIAINFOLIST_ASSIGN(Inform,"Inform")
00349     MEDIAINFO_ASSIGN    (GetI,"GetI")
00350     MEDIAINFOLIST_ASSIGN(GetI,"GetI")
00351     MEDIAINFO_ASSIGN    (Get,"Get")
00352     MEDIAINFOLIST_ASSIGN(Get,"Get")
00353     MEDIAINFO_ASSIGN    (Output_Buffer_Get,"Output_Buffer_Get")
00354     MEDIAINFO_ASSIGN    (Output_Buffer_GetI,"Output_Buffer_GetI")
00355     MEDIAINFO_ASSIGN    (Option,"Option")
00356     MEDIAINFOLIST_ASSIGN(Option,"Option")
00357     MEDIAINFO_ASSIGN    (State_Get,"State_Get")
00358     MEDIAINFOLIST_ASSIGN(State_Get,"State_Get")
00359     MEDIAINFO_ASSIGN    (Count_Get,"Count_Get")
00360     MEDIAINFOLIST_ASSIGN(Count_Get,"Count_Get")
00361     MEDIAINFOLIST_ASSIGN(Count_Get_Files,"Count_Get_Files")
00362     if (Errors>0)
00363         {
00364                 // Unload DLL with errors
00365                 #ifdef MEDIAINFO_GLIBC
00366             g_module_close(MediaInfo_Module);
00367         #elif defined (_WIN32) || defined (WIN32)
00368             FreeLibrary(MediaInfo_Module);
00369         #else
00370             dlclose(MediaInfo_Module);
00371        #endif
00372        return (size_t)-1;
00373         }
00374 
00375     Module_Count++;
00376     return (size_t)1;
00377 }
00378 
00379 static size_t MediaInfoDLL_IsLoaded()
00380 {
00381     if (MediaInfo_Module)
00382         return 1;
00383     else
00384         return 0;
00385 }
00386 
00387 static void MediaInfoDLL_UnLoad()
00388 {
00389     Module_Count--;
00390     if (Module_Count>0)
00391         return;
00392 
00393     #ifdef MEDIAINFO_GLIBC
00394         g_module_close(MediaInfo_Module);
00395     #elif defined (_WIN32) || defined (WIN32)
00396         FreeLibrary(MediaInfo_Module);
00397     #else
00398         dlclose(MediaInfo_Module);
00399     #endif
00400     MediaInfo_Module=NULL;
00401 }
00402 
00403 #ifdef __cplusplus
00404 }
00405 #endif /*__cplusplus*/
00406 
00407 /***************************************************************************/
00408 /***************************************************************************/
00409 /***************************************************************************/
00410 
00411 #ifdef __cplusplus
00412 //DLL C++ wrapper for C functions
00413 
00414 //---------------------------------------------------------------------------
00415 #include <string>
00416 #include <sstream>
00417 //---------------------------------------------------------------------------
00418 
00419 namespace MediaInfoDLL
00420 {
00421 
00422 //---------------------------------------------------------------------------
00423 //MediaInfo_Char types
00424 #undef  _T
00425 #define _T(__x)     __T(__x)
00426 #if defined(UNICODE) || defined (_UNICODE)
00427     typedef wchar_t Char;
00428     #undef  __T
00429     #define __T(__x) L ## __x
00430 #else
00431     typedef char Char;
00432     #undef  __T
00433     #define __T(__x) __x
00434 #endif
00435 typedef std::basic_string<Char>        String;
00436 typedef std::basic_stringstream<Char>  StringStream;
00437 const size_t Error=(size_t)(-1);
00438 //---------------------------------------------------------------------------
00439 
00440 //---------------------------------------------------------------------------
00442 enum stream_t
00443 {
00444     Stream_General,                 
00445     Stream_Video,                   
00446     Stream_Audio,                   
00447     Stream_Text,                    
00448     Stream_Chapters,                
00449     Stream_Image,                   
00450     Stream_Menu,                    
00451     Stream_Max,
00452 };
00453 
00455 enum info_t
00456 {
00457     Info_Name,                      
00458     Info_Text,                      
00459     Info_Measure,                   
00460     Info_Options,                   
00461     Info_Name_Text,                 
00462     Info_Measure_Text,              
00463     Info_Info,                      
00464     Info_HowTo,                     
00465     Info_Max
00466 };
00467 
00472 enum infooptions_t
00473 {
00474     InfoOption_ShowInInform,        
00475     InfoOption_Reserved,            
00476     InfoOption_ShowInSupported,     
00477     InfoOption_TypeOfValue,         
00478     InfoOption_Max
00479 };
00480 
00482 enum fileoptions_t
00483 {
00484     FileOption_Nothing      =0x00,
00485     FileOption_NoRecursive  =0x01,  
00486     FileOption_CloseAll     =0x02,  
00487     FileOption_Max          =0x04
00488 };
00489 
00490 const String Unable_Load_DLL=_T("Unable to load ")_T(MEDIAINFODLL_NAME);
00491 #define MEDIAINFO_TEST_VOID \
00492     if (!IsReady()) return
00493 #define MEDIAINFO_TEST_INT \
00494     if (!IsReady()) return 0
00495 #define MEDIAINFO_TEST_STRING \
00496     if (!IsReady()) return Unable_Load_DLL
00497 #define MEDIAINFO_TEST_STRING_STATIC \
00498     if (!MediaInfo_Module) return Unable_Load_DLL
00499 
00500 //---------------------------------------------------------------------------
00501 class MediaInfo
00502 {
00503 public :
00504     MediaInfo ()                {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle=NULL; return;}; Handle=MediaInfo_New();};
00505     ~MediaInfo ()               {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
00506 
00507     //File
00508     size_t Open (const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
00509     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);};
00510     size_t Open_Buffer_Continue (MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
00511     MediaInfo_int64u Open_Buffer_Continue_GoTo_Get () {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
00512     size_t Open_Buffer_Finalize () {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
00513     size_t Open_NextPacket () {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
00514     //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
00515     void Close () {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
00516 
00517     //General information
00518     String Inform ()  {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
00519     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);};
00520     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);};
00521     //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());};
00522     //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());};
00523     size_t Output_Buffer_Get (const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
00524     size_t Output_Buffer_Get (size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
00525     String        Option (const String &Option, const String &Value=_T(""))  {MEDIAINFO_TEST_STRING; return MediaInfo_Option (Handle, Option.c_str(), Value.c_str());};
00526     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());};
00527     size_t                  State_Get ()  {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
00528     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);};
00529 
00530     bool IsReady() {return (Handle && MediaInfo_Module)?true:false;}
00531 
00532 private :
00533     void* Handle;
00534 };
00535 
00536 class MediaInfoList
00537 {
00538 public :
00539     MediaInfoList ()                {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle=NULL; return;}; Handle=MediaInfoList_New();};
00540     ~MediaInfoList ()               {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
00541 
00542     //File
00543     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);};
00544     //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
00545     void Close (size_t FilePos=(size_t)-1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
00546 
00547     //General information
00548     String Inform (size_t FilePos=(size_t)-1)  {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
00549     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);};
00550     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);};
00551     //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());};
00552     //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());};
00553     String        Option (const String &Option, const String &Value=_T(""))  {MEDIAINFO_TEST_STRING; return MediaInfoList_Option (Handle, Option.c_str(), Value.c_str());};
00554     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());};
00555     size_t        State_Get ()  {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
00556     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);};
00557     size_t        Count_Get ()  {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
00558 
00559     bool IsReady() {return (Handle && MediaInfo_Module)?true:false;}
00560 
00561 private :
00562     void* Handle;
00563 };
00564 
00565 } //NameSpace
00566 #endif /*__cplusplus*/
00567 
00568 #endif