path: root/include/MediaInfoDLL.h

/*  Copyright (c) MediaArea.net SARL. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license that can
 *  be found in the License.html file in the root of the source tree.
 */

//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
// Public DLL interface implementation
// Wrapper for MediaInfo Library
// See MediaInfo.h for help
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

#ifndef MediaInfoDLLH
#define MediaInfoDLLH

//***************************************************************************
// Platforms (from libzen)
//***************************************************************************

/*---------------------------------------------------------------------------*/
/*Win32*/
#if defined(__NT__) || defined(_WIN32) || defined(WIN32)
    #ifndef WIN32
        #define WIN32
    #endif
    #ifndef _WIN32
        #define _WIN32
    #endif
    #ifndef __WIN32__
        #define __WIN32__ 1
    #endif
#endif

/*---------------------------------------------------------------------------*/
/*Win64*/
#if defined(_WIN64) || defined(WIN64)
    #ifndef WIN64
        #define WIN64
    #endif
    #ifndef _WIN64
        #define _WIN64
    #endif
    #ifndef __WIN64__
        #define __WIN64__ 1
    #endif
#endif

/*---------------------------------------------------------------------------*/
/*Windows*/
#if defined(WIN32) || defined(WIN64)
    #ifndef WINDOWS
        #define WINDOWS
    #endif
    #ifndef _WINDOWS
        #define _WINDOWS
    #endif
    #ifndef __WINDOWS__
        #define __WINDOWS__ 1
    #endif
#endif

/*---------------------------------------------------------------------------*/
/*Unix (Linux, HP, Sun, BeOS...)*/
#if defined(UNIX) || defined(_UNIX) || defined(__UNIX__)                    \
    || defined(__unix) || defined(__unix__)                                 \
    || defined(____SVR4____) || defined(__LINUX__) || defined(__sgi)        \
    || defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) \
    || defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
    #ifndef UNIX
        #define UNIX
    #endif
    #ifndef _UNIX
        #define _UNIX
    #endif
    #ifndef __UNIX__
        #define __UNIX__ 1
    #endif
#endif

/*---------------------------------------------------------------------------*/
/*MacOS Classic*/
#if defined(macintosh)
    #ifndef MACOS
        #define MACOS
    #endif
    #ifndef _MACOS
        #define _MACOS
    #endif
    #ifndef __MACOS__
        #define __MACOS__ 1
    #endif
#endif

/*---------------------------------------------------------------------------*/
/*MacOS X*/
#if defined(__APPLE__) && defined(__MACH__)
    #ifndef MACOSX
        #define MACOSX
    #endif
    #ifndef _MACOSX
        #define _MACOSX
    #endif
    #ifndef __MACOSX__
        #define __MACOSX__ 1
    #endif
#endif

/*Test of targets*/
#if defined(WINDOWS) && defined(UNIX) && defined(MACOS) && defined(MACOSX)
    #pragma message Multiple platforms???
#endif

#if !defined(WIN32) && !defined(UNIX) && !defined(MACOS) && !defined(MACOSX)
    #pragma message No known platforms, assume default
#endif

/*-------------------------------------------------------------------------*/
#if defined(_WIN32) || defined(WIN32)
    #ifdef _UNICODE
        #define MEDIAINFODLL_NAME L"MediaInfo.dll"
    #else //_UNICODE
        #define MEDIAINFODLL_NAME "MediaInfo.dll"
    #endif //_UNICODE
#elif defined(__APPLE__) && defined(__MACH__)
    #define MEDIAINFODLL_NAME "libmediainfo.0.dylib"
    #define __stdcall
    #ifdef __cplusplus
        #include <new> //for size_t
    #else /* __cplusplus */
        #include <stddef.h> //for size_t
    #endif /* __cplusplus */
#else
    #define MEDIAINFODLL_NAME "libmediainfo.so.0"
    #define __stdcall
#endif //!defined(_WIN32) || defined(WIN32)

/*-------------------------------------------------------------------------*/
/*Char types                                                               */
#undef  __T
#define __T(__x)    __T(__x)
#if defined(UNICODE) || defined(_UNICODE)
    typedef wchar_t MediaInfo_Char;
    #undef  __T
    #define __T(__x) L ## __x
    #define MEDIAINFO_Ansi ""
#else
    typedef char MediaInfo_Char;
    #undef  __T
    #define __T(__x) __x
    #define MEDIAINFO_Ansi "A"
#endif
/*-------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------*/
/*8-bit int                                                                */
typedef unsigned char MediaInfo_int8u;
/*-------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------*/
/*64-bit int                                                               */
#if defined(__MINGW32__) || defined(__CYGWIN32__) || defined(__UNIX__) || defined(__MACOSX__)
    #undef  MAXTYPE_INT
    #define MAXTYPE_INT 64
    typedef unsigned long long MediaInfo_int64u;
#elif defined(__WIN32__) || defined(_WIN32)
    #undef  MAXTYPE_INT
    #define MAXTYPE_INT 64
    typedef unsigned __int64   MediaInfo_int64u;
#else
    #pragma message This machine has no 64-bit integer type?
#endif
/*-------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------*/
/*NULL                                                                     */
#ifndef NULL
    #define NULL 0
#endif
/*-------------------------------------------------------------------------*/

/** @brief Kinds of Stream */
typedef enum MediaInfo_stream_t {
    MediaInfo_Stream_General,
    MediaInfo_Stream_Video,
    MediaInfo_Stream_Audio,
    MediaInfo_Stream_Text,
    MediaInfo_Stream_Other,
    MediaInfo_Stream_Image,
    MediaInfo_Stream_Menu,
    MediaInfo_Stream_Max
} MediaInfo_stream_C;

/** @brief Kinds of Info */
typedef enum MediaInfo_info_t {
    MediaInfo_Info_Name,
    MediaInfo_Info_Text,
    MediaInfo_Info_Measure,
    MediaInfo_Info_Options,
    MediaInfo_Info_Name_Text,
    MediaInfo_Info_Measure_Text,
    MediaInfo_Info_Info,
    MediaInfo_Info_HowTo,
    MediaInfo_Info_Max
} MediaInfo_info_C;

/** @brief Option if InfoKind = Info_Options */
typedef enum MediaInfo_infooptions_t {
    MediaInfo_InfoOption_ShowInInform,
    MediaInfo_InfoOption_Reserved,
    MediaInfo_InfoOption_ShowInSupported,
    MediaInfo_InfoOption_TypeOfValue,
    MediaInfo_InfoOption_Max
} MediaInfo_infooptions_C;

/** @brief File opening options */
typedef enum MediaInfo_fileoptions_t {
    MediaInfo_FileOption_Nothing     = 0x00,
    MediaInfo_FileOption_NoRecursive = 0x01,
    MediaInfo_FileOption_CloseAll    = 0x02,
    MediaInfo_FileOption_Max         = 0x04
} MediaInfo_fileoptions_C;


#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */

#ifdef MEDIAINFO_GLIBC
    #include <gmodule.h>
    static GModule* MediaInfo_Module = NULL;
#elif defined(_WIN32) || defined(WIN32)
    #include <windows.h>
    static HMODULE MediaInfo_Module = NULL;
#else
    #ifdef MACOSX
        #include <CoreFoundation/CFBundle.h>
    #endif

    #include <dlfcn.h>
    static void* MediaInfo_Module = NULL;
#endif
    static size_t Module_Count = 0;

#ifdef MEDIAINFO_GLIBC
#define MEDIAINFO_ASSIGN(_Name,_Name2) \
    if (!g_module_symbol (MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfo_##_Name)) \
        Errors++;
#define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
    if (!g_module_symbol (MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2, (gpointer*)&MediaInfoList_##_Name)) \
        Errors++;
#elif defined(_WIN32) || defined(WIN32)
#define MEDIAINFO_ASSIGN(_Name,_Name2) \
    MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
    if (MediaInfo_##_Name==NULL) Errors++;
#define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
    MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
    if (MediaInfoList_##_Name==NULL) Errors++;
#else
#define MEDIAINFO_ASSIGN(_Name,_Name2) \
    MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(MediaInfo_Module, "MediaInfo" MEDIAINFO_Ansi "_" _Name2); \
    if (MediaInfo_##_Name==NULL) Errors++;
#define MEDIAINFOLIST_ASSIGN(_Name,_Name2) \
    MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(MediaInfo_Module, "MediaInfoList" MEDIAINFO_Ansi "_" _Name2); \
    if (MediaInfoList_##_Name==NULL) Errors++;
#endif

    typedef void* (__stdcall *MEDIAINFO_New)();
    static MEDIAINFO_New MediaInfo_New;
    typedef void* (__stdcall *MEDIAINFOLIST_New)();
    static MEDIAINFOLIST_New MediaInfoList_New;
    typedef void (__stdcall *MEDIAINFO_Delete)(void*);
    static MEDIAINFO_Delete MediaInfo_Delete;
    typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*);
    static MEDIAINFOLIST_Delete MediaInfoList_Delete;
    typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*);
    static MEDIAINFO_Open MediaInfo_Open;
    typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C);
    static MEDIAINFOLIST_Open MediaInfoList_Open;
    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;
    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;
    typedef MediaInfo_int64u(__stdcall *MEDIAINFO_Open_Buffer_Continue_GoTo_Get)(void*);
    static MEDIAINFO_Open_Buffer_Continue_GoTo_Get MediaInfo_Open_Buffer_Continue_GoTo_Get;
    typedef size_t (__stdcall *MEDIAINFO_Open_Buffer_Finalize)(void*);
    static MEDIAINFO_Open_Buffer_Finalize MediaInfo_Open_Buffer_Finalize;
    typedef size_t (__stdcall *MEDIAINFO_Open_NextPacket)(void*);
    static MEDIAINFO_Open_NextPacket MediaInfo_Open_NextPacket;
    typedef void (__stdcall *MEDIAINFO_Close)(void*);
    static MEDIAINFO_Close MediaInfo_Close;
    typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t);
    static MEDIAINFOLIST_Close MediaInfoList_Close;
    typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved);
    static MEDIAINFO_Inform MediaInfo_Inform;
    typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved);
    static MEDIAINFOLIST_Inform MediaInfoList_Inform;
    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;
    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;
    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;
    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;
    typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_Get)(void*, const MediaInfo_Char* Parameter);
    static MEDIAINFO_Output_Buffer_Get MediaInfo_Output_Buffer_Get;
    typedef size_t (__stdcall *MEDIAINFO_Output_Buffer_GetI)(void*, size_t Pos);
    static MEDIAINFO_Output_Buffer_GetI MediaInfo_Output_Buffer_GetI;
    typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
    static MEDIAINFO_Option MediaInfo_Option;
    typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value);
    static MEDIAINFOLIST_Option MediaInfoList_Option;
    typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*);
    static MEDIAINFO_State_Get MediaInfo_State_Get;
    typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*);
    static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
    typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber);
    static MEDIAINFO_Count_Get MediaInfo_Count_Get;
    typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber);
    static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
    typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*);
    static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
    typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*);
    static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;

    static size_t MediaInfoDLL_Load()
    {
        size_t Errors = 0;

        if (Module_Count > 0) {
            Module_Count++;
            return 1;
        }

    /* Load library */
    #ifdef MEDIAINFO_GLIBC
        MediaInfo_Module = g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
    #elif defined(_WIN32) || defined(WIN32)
        MediaInfo_Module = LoadLibrary(MEDIAINFODLL_NAME);
    #else
        #ifdef MACOSX
            MediaInfo_Module = dlopen("@executable_path/" MEDIAINFODLL_NAME, RTLD_LAZY);
            if (!MediaInfo_Module)
            {
                CFBundleRef mainBundle = CFBundleGetMainBundle();

                // get full app path and delete app name
                CFURLRef app_url = CFBundleCopyExecutableURL(mainBundle);
                CFURLRef app_path_url = CFURLCreateCopyDeletingLastPathComponent(NULL, app_url);

                CFStringRef app_path = CFURLCopyFileSystemPath(app_path_url, kCFURLPOSIXPathStyle);

                CFMutableStringRef mut_app_path = CFStringCreateMutableCopy(NULL, NULL, app_path);
                CFStringAppend(mut_app_path, CFSTR("/"));
                CFStringAppend(mut_app_path, CFSTR(MEDIAINFODLL_NAME));
                CFStringEncoding encodingMethod = CFStringGetSystemEncoding();
                const char *fullPath = CFStringGetCStringPtr(mut_app_path, encodingMethod);

                MediaInfo_Module = dlopen(fullPath, RTLD_LAZY);

                CFRelease(app_url);
                CFRelease(app_path_url);
                CFRelease(app_path);
                CFRelease(mut_app_path);
            }
        #endif /* MACOSX*/

        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen("./" MEDIAINFODLL_NAME, RTLD_LAZY);
        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen("/usr/local/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen("/usr/local/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen("/usr/lib/" MEDIAINFODLL_NAME, RTLD_LAZY);
        if (!MediaInfo_Module)
            MediaInfo_Module = dlopen("/usr/lib64/" MEDIAINFODLL_NAME, RTLD_LAZY);
    #endif
        if (!MediaInfo_Module)
            return (size_t) - 1;

        /* Load methods */
        MEDIAINFO_ASSIGN(New, "New")
        MEDIAINFOLIST_ASSIGN(New, "New")
        MEDIAINFO_ASSIGN(Delete, "Delete")
        MEDIAINFOLIST_ASSIGN(Delete, "Delete")
        MEDIAINFO_ASSIGN(Open, "Open")
        MEDIAINFOLIST_ASSIGN(Open, "Open")
        MEDIAINFO_ASSIGN(Open_Buffer_Init, "Open_Buffer_Init")
        MEDIAINFO_ASSIGN(Open_Buffer_Continue, "Open_Buffer_Continue")
        MEDIAINFO_ASSIGN(Open_Buffer_Continue_GoTo_Get, "Open_Buffer_Continue_GoTo_Get")
        MEDIAINFO_ASSIGN(Open_Buffer_Finalize, "Open_Buffer_Finalize")
        MEDIAINFO_ASSIGN(Open_NextPacket, "Open_NextPacket")
        MEDIAINFO_ASSIGN(Close, "Close")
        MEDIAINFOLIST_ASSIGN(Close, "Close")
        MEDIAINFO_ASSIGN(Inform, "Inform")
        MEDIAINFOLIST_ASSIGN(Inform, "Inform")
        MEDIAINFO_ASSIGN(GetI, "GetI")
        MEDIAINFOLIST_ASSIGN(GetI, "GetI")
        MEDIAINFO_ASSIGN(Get, "Get")
        MEDIAINFOLIST_ASSIGN(Get, "Get")
        MEDIAINFO_ASSIGN(Output_Buffer_Get, "Output_Buffer_Get")
        MEDIAINFO_ASSIGN(Output_Buffer_GetI, "Output_Buffer_GetI")
        MEDIAINFO_ASSIGN(Option, "Option")
        MEDIAINFOLIST_ASSIGN(Option, "Option")
        MEDIAINFO_ASSIGN(State_Get, "State_Get")
        MEDIAINFOLIST_ASSIGN(State_Get, "State_Get")
        MEDIAINFO_ASSIGN(Count_Get, "Count_Get")
        MEDIAINFOLIST_ASSIGN(Count_Get, "Count_Get")
        MEDIAINFOLIST_ASSIGN(Count_Get_Files, "Count_Get_Files")
        if (Errors > 0) {
        // Unload DLL with errors
        #ifdef MEDIAINFO_GLIBC
            g_module_close(MediaInfo_Module);
        #elif defined(_WIN32) || defined(WIN32)
            FreeLibrary(MediaInfo_Module);
        #else
            dlclose(MediaInfo_Module);
       #endif
            MediaInfo_Module = NULL;
            return (size_t) - 1;
        }

        Module_Count++;
        return (size_t)1;
    }

    static size_t MediaInfoDLL_IsLoaded()
    {
        if (MediaInfo_Module)
            return 1;
        else
            return 0;
    }

    static void MediaInfoDLL_UnLoad()
    {
        Module_Count--;
        if (Module_Count > 0)
            return;

    #ifdef MEDIAINFO_GLIBC
        g_module_close(MediaInfo_Module);
    #elif defined(_WIN32) || defined(WIN32)
        FreeLibrary(MediaInfo_Module);
    #else
        dlclose(MediaInfo_Module);
    #endif
        MediaInfo_Module = NULL;
    }

#ifdef __cplusplus
}
#endif /*__cplusplus*/

/***************************************************************************/
/***************************************************************************/
/***************************************************************************/

#ifdef __cplusplus
//DLL C++ wrapper for C functions

//---------------------------------------------------------------------------
#include <string>
#include <sstream>
//---------------------------------------------------------------------------

namespace MediaInfoDLL
{

    //---------------------------------------------------------------------------
    //MediaInfo_Char types
#undef  __T
#define __T(__x)    __T(__x)
#if defined(UNICODE) || defined(_UNICODE)
    typedef wchar_t Char;
    #undef  __T
    #define __T(__x) L ## __x
#else
    typedef char Char;
    #undef  __T
    #define __T(__x) __x
#endif
    typedef std::basic_string<Char>        String;
    typedef std::basic_stringstream<Char>  StringStream;
    typedef std::basic_istringstream<Char> iStringStream;
    typedef std::basic_ostringstream<Char> oStringStream;
    typedef std::basic_istringstream<Char> tiStringStream; // Legacy
    typedef std::basic_ostringstream<Char> toStringStream; //Legacy
    const size_t Error = (size_t)(-1);
    //---------------------------------------------------------------------------

    //---------------------------------------------------------------------------
    /// @brief Kinds of Stream
    enum stream_t {
        Stream_General,                 ///< StreamKind = General
        Stream_Video,                   ///< StreamKind = Video
        Stream_Audio,                   ///< StreamKind = Audio
        Stream_Text,                    ///< StreamKind = Text
        Stream_Other,                   ///< StreamKind = Other
        Stream_Image,                   ///< StreamKind = Image
        Stream_Menu,                    ///< StreamKind = Menu
        Stream_Max
    };

    /// @brief Kind of information
    enum info_t {
        Info_Name,                      ///< InfoKind = Unique name of parameter
        Info_Text,                      ///< InfoKind = Value of parameter
        Info_Measure,                   ///< InfoKind = Unique name of measure unit of parameter
        Info_Options,                   ///< InfoKind = See infooptions_t
        Info_Name_Text,                 ///< InfoKind = Translated name of parameter
        Info_Measure_Text,              ///< InfoKind = Translated name of measure unit
        Info_Info,                      ///< InfoKind = More information about the parameter
        Info_HowTo,                     ///< InfoKind = Information : how data is found
        Info_Max
    };

    /// Get(...)[infooptions_t] return a string like "YNYN..." \n
    /// Use this enum to know at what correspond the Y (Yes) or N (No)
    /// If Get(...)[0]==Y, then :
    /// @brief Option if InfoKind = Info_Options
    enum infooptions_t {
        InfoOption_ShowInInform,        ///< Show this parameter in Inform()
        InfoOption_Reserved,            ///<
        InfoOption_ShowInSupported,     ///< Internal use only (info : Must be showed in Info_Capacities() )
        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)
        InfoOption_Max
    };

    /// @brief File opening options
    enum fileoptions_t {
        FileOption_Nothing      = 0x00,
        FileOption_NoRecursive  = 0x01, ///< Do not browse folders recursively
        FileOption_CloseAll     = 0x02, ///< Close all files before open
        FileOption_Max          = 0x04
    };

    const String Unable_Load_DLL = __T("Unable to load ")MEDIAINFODLL_NAME;
#define MEDIAINFO_TEST_VOID \
    if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return;}
#define MEDIAINFO_TEST_INT \
    if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return 0;}
#define MEDIAINFO_TEST_STRING \
    if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}
#define MEDIAINFO_TEST_STRING_STATIC \
    if (!MediaInfo_Module) {MediaInfoDLL_Load(); if (!MediaInfo_Module) return Unable_Load_DLL;}

    //---------------------------------------------------------------------------
    class MediaInfo
    {
    public :
        MediaInfo()        {if (!MediaInfo_Module) MediaInfoDLL_Load(); if (!MediaInfo_Module) {Handle = NULL; return;}; Handle = MediaInfo_New();};
        ~MediaInfo()       {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};

        //File
        size_t Open(const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
        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);};
        size_t Open_Buffer_Continue(MediaInfo_int8u* Buffer, size_t Buffer_Size) {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue(Handle, Buffer, Buffer_Size);};
        MediaInfo_int64u Open_Buffer_Continue_GoTo_Get() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Continue_GoTo_Get(Handle);};
        size_t Open_Buffer_Finalize() {MEDIAINFO_TEST_INT; return MediaInfo_Open_Buffer_Finalize(Handle);};
        size_t Open_NextPacket() {MEDIAINFO_TEST_INT; return MediaInfo_Open_NextPacket(Handle);};
        //size_t Save () {MEDIAINFO_TEST_INT; return MediaInfo_Save(Handle);};
        void Close() {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};

        //General information
        String Inform()  {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
        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);};
        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);};
        //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());};
        //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());};
        size_t Output_Buffer_Get(const String &Value) {return MediaInfo_Output_Buffer_Get(Handle, Value.c_str());}
        size_t Output_Buffer_Get(size_t Pos) {return MediaInfo_Output_Buffer_GetI(Handle, Pos);}
        String        Option(const String &Option, const String &Value = __T(""))  {MEDIAINFO_TEST_STRING; return MediaInfo_Option(Handle, Option.c_str(), Value.c_str());};
        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());};
        size_t        State_Get() {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
        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);};

        bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}

    private :
        void* Handle;
    };

    class MediaInfoList
    {
    public :
        MediaInfoList()        {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle = NULL; return;}; Handle = MediaInfoList_New();};
        ~MediaInfoList()       {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};

        //File
        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);};
        //size_t Save (size_t FilePos) {MEDIAINFO_TEST_INT; return MediaInfoList_Save(Handle, FilePos);};
        void Close(size_t FilePos = (size_t) - 1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};

        //General information
        String Inform(size_t FilePos = (size_t) - 1)  {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
        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);};
        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);};
        //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());};
        //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());};
        String        Option(const String &Option, const String &Value = __T(""))  {MEDIAINFO_TEST_STRING; return MediaInfoList_Option(Handle, Option.c_str(), Value.c_str());};
        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());};
        size_t        State_Get()  {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
        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);};
        size_t        Count_Get()  {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};

        bool IsReady() {return (Handle && MediaInfo_Module) ? true : false;}

    private :
        void* Handle;
    };

} //NameSpace
#endif /*__cplusplus*/

#endif