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00026 #ifndef MediaInfoDLLH
00027 #define MediaInfoDLLH
00028
00029
00030 #if defined(_WIN32)
00031 #define MEDIAINFODLL_NAME "MediaInfo.dll"
00032 #else
00033 #define MEDIAINFODLL_NAME "libmediainfo.so.0"
00034 #define __stdcall
00035 #endif
00036 #ifdef __cplusplus
00037 #include <new>
00038 #endif //__cplusplus
00039
00040
00041
00042 #undef _T
00043 #define _T(__x) __T(__x)
00044 #if defined(UNICODE) || defined (_UNICODE)
00045 typedef wchar_t MediaInfo_Char;
00046 #undef __T
00047 #define __T(__x) L ## __x
00048 #define MEDIAINFO_Ansi ""
00049 #else
00050 typedef char MediaInfo_Char;
00051 #undef __T
00052 #define __T(__x) __x
00053 #define MEDIAINFO_Ansi "A"
00054 #endif
00055
00056
00057
00058
00059 #ifndef NULL
00060 #define NULL 0
00061 #endif
00062
00063
00065 typedef enum MediaInfo_stream_t
00066 {
00067 MediaInfo_Stream_General,
00068 MediaInfo_Stream_Video,
00069 MediaInfo_Stream_Audio,
00070 MediaInfo_Stream_Text,
00071 MediaInfo_Stream_Chapters,
00072 MediaInfo_Stream_Image,
00073 MediaInfo_Stream_Menu,
00074 MediaInfo_Stream_Max
00075 } MediaInfo_stream_C;
00076
00078 typedef enum MediaInfo_info_t
00079 {
00080 MediaInfo_Info_Name,
00081 MediaInfo_Info_Text,
00082 MediaInfo_Info_Measure,
00083 MediaInfo_Info_Options,
00084 MediaInfo_Info_Name_Text,
00085 MediaInfo_Info_Measure_Text,
00086 MediaInfo_Info_Info,
00087 MediaInfo_Info_HowTo,
00088 MediaInfo_Info_Max
00089 } MediaInfo_info_C;
00090
00092 typedef enum MediaInfo_infooptions_t
00093 {
00094 MediaInfo_InfoOption_ShowInInform,
00095 MediaInfo_InfoOption_Reserved,
00096 MediaInfo_InfoOption_ShowInSupported,
00097 MediaInfo_InfoOption_TypeOfValue,
00098 MediaInfo_InfoOption_Max
00099 } MediaInfo_infooptions_C;
00100
00102 typedef enum MediaInfo_fileoptions_t
00103 {
00104 MediaInfo_FileOption_Nothing =0x00,
00105 MediaInfo_FileOption_Recursive =0x01,
00106 MediaInfo_FileOption_CloseAll =0x02,
00107 MediaInfo_FileOption_Max =0x04
00108 } MediaInfo_fileoptions_C;
00109
00110
00111 #ifdef __cplusplus
00112 extern "C"
00113 {
00114 #endif
00115
00116 #ifdef MEDIAINFO_GLIBC
00117 #include <gmodule.h>
00118 static GModule* Module=NULL;
00119 #elif defined (_WIN32) || defined (WIN32)
00120 #include <windows.h>
00121 static HMODULE Module=NULL;
00122 #else
00123 #include <dlfcn.h>
00124 static void* Module=NULL;
00125 #endif
00126 static size_t Module_Count=0;
00127
00128 #ifdef MEDIAINFO_GLIBC
00129 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00130 if (!g_module_symbol (Module, "MediaInfo"MEDIAINFO_Ansi"_"_Name2, (gpointer*)&MediaInfo_##_Name)) \
00131 Errors++; \
00132 if (!g_module_symbol (Module, "MediaInfoList"MEDIAINFO_Ansi"_"_Name2, (gpointer*)&MediaInfoList_##_Name)) \
00133 Errors++;
00134 #elif defined (_WIN32) || defined (WIN32)
00135 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00136 MediaInfo_##_Name=(MEDIAINFO_##_Name)GetProcAddress(Module, "MediaInfo"MEDIAINFO_Ansi"_"_Name2); \
00137 if (MediaInfo_##_Name==NULL) Errors++; \
00138 MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)GetProcAddress(Module, "MediaInfoList"MEDIAINFO_Ansi"_"_Name2); \
00139 if (MediaInfoList_##_Name==NULL) Errors++;
00140 #else
00141 #define MEDIAINFO_ASSIGN(_Name,_Name2) \
00142 MediaInfo_##_Name=(MEDIAINFO_##_Name)dlsym(Module, "MediaInfo"MEDIAINFO_Ansi"_"_Name2); \
00143 if (MediaInfo_##_Name==NULL) Errors++; \
00144 MediaInfoList_##_Name=(MEDIAINFOLIST_##_Name)dlsym(Module, "MediaInfoList"MEDIAINFO_Ansi"_"_Name2); \
00145 if (MediaInfoList_##_Name==NULL) Errors++;
00146 #endif
00147
00148 typedef void* (__stdcall *MEDIAINFO_New)(); static MEDIAINFO_New MediaInfo_New;
00149 typedef void* (__stdcall *MEDIAINFOLIST_New)(); static MEDIAINFOLIST_New MediaInfoList_New;
00150 typedef void (__stdcall *MEDIAINFO_Delete)(void*); static MEDIAINFO_Delete MediaInfo_Delete;
00151 typedef void (__stdcall *MEDIAINFOLIST_Delete)(void*); static MEDIAINFOLIST_Delete MediaInfoList_Delete;
00152 typedef size_t (__stdcall *MEDIAINFO_Open)(void*, const MediaInfo_Char*); static MEDIAINFO_Open MediaInfo_Open;
00153 typedef size_t (__stdcall *MEDIAINFOLIST_Open)(void*, const MediaInfo_Char*, const MediaInfo_fileoptions_C); static MEDIAINFOLIST_Open MediaInfoList_Open;
00154 typedef void (__stdcall *MEDIAINFO_Close)(void*); static MEDIAINFO_Close MediaInfo_Close;
00155 typedef void (__stdcall *MEDIAINFOLIST_Close)(void*, size_t); static MEDIAINFOLIST_Close MediaInfoList_Close;
00156 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Inform)(void*, size_t Reserved); static MEDIAINFO_Inform MediaInfo_Inform;
00157 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Inform)(void*, size_t, size_t Reserved); static MEDIAINFOLIST_Inform MediaInfoList_Inform;
00158 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;
00159 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;
00160 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;
00161 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;
00162 typedef const MediaInfo_Char* (__stdcall *MEDIAINFO_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFO_Option MediaInfo_Option;
00163 typedef const MediaInfo_Char* (__stdcall *MEDIAINFOLIST_Option)(void*, const MediaInfo_Char* Parameter, const MediaInfo_Char* Value); static MEDIAINFOLIST_Option MediaInfoList_Option;
00164 typedef size_t (__stdcall *MEDIAINFO_State_Get)(void*); static MEDIAINFO_State_Get MediaInfo_State_Get;
00165 typedef size_t (__stdcall *MEDIAINFOLIST_State_Get)(void*); static MEDIAINFOLIST_State_Get MediaInfoList_State_Get;
00166 typedef size_t (__stdcall *MEDIAINFO_Count_Get)(void*, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFO_Count_Get MediaInfo_Count_Get;
00167 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get)(void*, size_t, MediaInfo_stream_C StreamKind, size_t StreamNumber); static MEDIAINFOLIST_Count_Get MediaInfoList_Count_Get;
00168 typedef size_t (__stdcall *MEDIAINFO_Count_Get_Files)(void*); static MEDIAINFO_Count_Get_Files MediaInfo_Count_Get_Files;
00169 typedef size_t (__stdcall *MEDIAINFOLIST_Count_Get_Files)(void*); static MEDIAINFOLIST_Count_Get_Files MediaInfoList_Count_Get_Files;
00170
00171 static size_t MediaInfoDLL_Load()
00172 {
00173 if (Module_Count>0)
00174 {
00175 Module_Count++;
00176 return 1;
00177 }
00178
00179
00180 #ifdef MEDIAINFO_GLIBC
00181 Module=g_module_open(MEDIAINFODLL_NAME, G_MODULE_BIND_LAZY);
00182 #elif defined (_WIN32) || defined (WIN32)
00183 Module=LoadLibrary(_T(MEDIAINFODLL_NAME));
00184 #else
00185 Module=dlopen(MEDIAINFODLL_NAME, RTLD_LAZY);
00186 if (!Module)
00187 Module=dlopen("./"MEDIAINFODLL_NAME, RTLD_LAZY);
00188 #endif
00189 if (!Module)
00190 return -1;
00191
00192
00193 size_t Errors=0;
00194 MEDIAINFO_ASSIGN(New,"New")
00195 MEDIAINFO_ASSIGN(Delete,"Delete")
00196 MEDIAINFO_ASSIGN(Open,"Open")
00197 MEDIAINFO_ASSIGN(Close,"Close")
00198 MEDIAINFO_ASSIGN(Inform,"Inform")
00199 MEDIAINFO_ASSIGN(GetI,"GetI")
00200 MEDIAINFO_ASSIGN(Get,"Get")
00201 MEDIAINFO_ASSIGN(Option,"Option")
00202 MEDIAINFO_ASSIGN(State_Get,"State_Get")
00203 MEDIAINFO_ASSIGN(Count_Get,"Count_Get")
00204 MEDIAINFO_ASSIGN(Count_Get_Files,"Count_Get_Files")
00205 if (Errors>1)
00206 return -1;
00207
00208 Module_Count++;
00209 return 1;
00210 }
00211
00212 static size_t MediaInfoDLL_IsLoaded()
00213 {
00214 if (Module)
00215 return 1;
00216 else
00217 return 0;
00218 }
00219
00220 static void MediaInfoDLL_UnLoad()
00221 {
00222 Module_Count--;
00223 if (Module_Count>0)
00224 return;
00225
00226 #ifdef MEDIAINFO_GLIBC
00227 g_module_close(Module);
00228 #elif defined (_WIN32) || defined (WIN32)
00229 FreeLibrary(Module);
00230 #else
00231 dlclose(Module);
00232 #endif
00233 Module=NULL;
00234 }
00235
00236 #ifdef __cplusplus
00237 }
00238 #endif
00239
00240
00241
00242
00243
00244 #ifdef __cplusplus
00245
00246
00247
00248 #include <string>
00249 #include <sstream>
00250
00251
00252 namespace MediaInfoLib
00253 {
00254
00255
00256
00257 #undef _T
00258 #define _T(__x) __T(__x)
00259 #if defined(UNICODE) || defined (_UNICODE)
00260 typedef wchar_t Char;
00261 #undef __T
00262 #define __T(__x) L ## __x
00263 #else
00264 typedef char Char;
00265 #undef __T
00266 #define __T(__x) __x
00267 #endif
00268 typedef std::basic_string<Char> String;
00269 typedef std::basic_stringstream<Char> StringStream;
00270 typedef std::basic_istringstream<Char> tiStringStream;
00271 typedef std::basic_ostringstream<Char> toStringStream;
00272 const size_t Error=(size_t)(-1);
00273
00274
00275
00277 enum stream_t
00278 {
00279 Stream_General,
00280 Stream_Video,
00281 Stream_Audio,
00282 Stream_Text,
00283 Stream_Chapters,
00284 Stream_Image,
00285 Stream_Menu,
00286 Stream_Max,
00287 };
00288
00290 enum info_t
00291 {
00292 Info_Name,
00293 Info_Text,
00294 Info_Measure,
00295 Info_Options,
00296 Info_Name_Text,
00297 Info_Measure_Text,
00298 Info_Info,
00299 Info_HowTo,
00300 Info_Max
00301 };
00302
00307 enum infooptions_t
00308 {
00309 InfoOption_ShowInInform,
00310 InfoOption_Reserved,
00311 InfoOption_ShowInSupported,
00312 InfoOption_TypeOfValue,
00313 InfoOption_Max
00314 };
00315
00317 enum fileoptions_t
00318 {
00319 FileOption_Nothing =0x00,
00320 FileOption_Recursive =0x01,
00321 FileOption_CloseAll =0x02,
00322 FileOption_Max =0x04
00323 };
00324
00325 const String Unable_Load_DLL=_T("Unable to load ")_T(MEDIAINFODLL_NAME);
00326 #define MEDIAINFO_TEST_VOID \
00327 if (!IsReady()) return
00328 #define MEDIAINFO_TEST_INT \
00329 if (!IsReady()) return 0
00330 #define MEDIAINFO_TEST_STRING \
00331 if (!IsReady()) return Unable_Load_DLL
00332 #define MEDIAINFO_TEST_STRING_STATIC \
00333 if (!Module) return Unable_Load_DLL
00334
00335
00336 class MediaInfo
00337 {
00338 public :
00339 MediaInfo () {if (!Module) MediaInfoDLL_Load(); if (!Module) {Handle=NULL; return;}; Handle=MediaInfo_New();};
00340 ~MediaInfo () {MEDIAINFO_TEST_VOID; MediaInfo_Delete(Handle);};
00341
00342
00343 size_t Open (const String &File) {MEDIAINFO_TEST_INT; return MediaInfo_Open(Handle, File.c_str());};
00344
00345
00346 void Close () {MEDIAINFO_TEST_VOID; return MediaInfo_Close(Handle);};
00347
00348
00349 String Inform () {MEDIAINFO_TEST_STRING; return MediaInfo_Inform(Handle, 0);};
00350 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);};
00351 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);};
00352
00353
00354 String Option (const String &Option, const String &Value=_T("")) {MEDIAINFO_TEST_STRING; return MediaInfo_Option (Handle, Option.c_str(), Value.c_str());};
00355 static String Option_Static (const String &Option, const String &Value=_T("")) {MEDIAINFO_TEST_STRING_STATIC; return MediaInfo_Option (NULL, Option.c_str(), Value.c_str());};
00356 size_t State_Get () {MEDIAINFO_TEST_INT; return MediaInfo_State_Get(Handle);};
00357 size_t Count_Get (stream_t StreamKind, size_t StreamNumber=-1) {MEDIAINFO_TEST_INT; return MediaInfo_Count_Get(Handle, (MediaInfo_stream_C)StreamKind, StreamNumber);};
00358
00359 bool IsReady() {return (Handle && Module)?true:false;}
00360
00361 private :
00362 void* Handle;
00363 };
00364
00365 class MediaInfoList
00366 {
00367 public :
00368 MediaInfoList () {MediaInfoDLL_Load(); if (!MediaInfoDLL_IsLoaded()) {Handle=NULL; return;}; Handle=MediaInfoList_New();};
00369 ~MediaInfoList () {MEDIAINFO_TEST_VOID; MediaInfoList_Delete(Handle); MediaInfoDLL_UnLoad();};
00370
00371
00372 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);};
00373
00374
00375 void Close (size_t FilePos=(size_t)-1) {MEDIAINFO_TEST_VOID; return MediaInfoList_Close(Handle, FilePos);};
00376
00377
00378 String Inform (size_t FilePos=(size_t)-1) {MEDIAINFO_TEST_STRING; return MediaInfoList_Inform(Handle, FilePos, 0);};
00379 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);};
00380 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);};
00381
00382
00383 String Option (const String &Option, const String &Value=_T("")) {MEDIAINFO_TEST_STRING; return MediaInfoList_Option (Handle, Option.c_str(), Value.c_str());};
00384 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());};
00385 size_t State_Get () {MEDIAINFO_TEST_INT; return MediaInfoList_State_Get(Handle);};
00386 size_t Count_Get (size_t FilePos, stream_t StreamKind, size_t StreamNumber=-1) {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get(Handle, FilePos, (MediaInfo_stream_C)StreamKind, StreamNumber);};
00387 size_t Count_Get () {MEDIAINFO_TEST_INT; return MediaInfoList_Count_Get_Files(Handle);};
00388
00389 bool IsReady() {return (Handle && Module)?true:false;}
00390
00391 private :
00392 void* Handle;
00393 };
00394
00395 }
00396 #endif
00397
00398 #endif