/home/Zenitram/MI/DLL/MediaInfo_DLL_GNU_Prepare/MediaInfoLib/Release/MediaInfo_DLL_GNU_FromSource/MediaInfoLib/Source/MediaInfo/MediaInfo.h

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00001 // MediaInfo - All information about media files
00002 // Copyright (C) 2002-2008 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 // Give information about a lot of media files
00021 // Dispatch the file to be tested by all containers
00022 //
00023 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
00024 
00025 //---------------------------------------------------------------------------
00026 #ifndef MediaInfoH
00027 #define MediaInfoH
00028 //---------------------------------------------------------------------------
00029 
00030 //---------------------------------------------------------------------------
00031 #include <MediaInfo/MediaInfo_Const.h>
00032 //---------------------------------------------------------------------------
00033 
00034 namespace MediaInfoLib
00035 {
00036 
00037 class File__Analyze;
00038 class Internet__Base;
00039 
00040 //***************************************************************************
00043 //***************************************************************************
00044 
00045 class MediaInfo
00046 {
00047 public :
00048     //Constructor/Destructor
00049     MediaInfo ();
00050     ~MediaInfo ();
00051     //File
00057     size_t Open (const String &File_Name);
00067     size_t Open (const ZenLib::int8u* Begin, size_t Begin_Size, const ZenLib::int8u* End=NULL, size_t End_Size=0, ZenLib::int64u File_Size=0);
00072     size_t Open_Buffer_Init (ZenLib::int64u File_Size=(ZenLib::int64u)-1, ZenLib::int64u File_Offset=0);
00077     size_t Open_Buffer_Continue (const ZenLib::int8u* Buffer, size_t Buffer_Size);
00082     ZenLib::int64u Open_Buffer_Continue_GoTo_Get ();
00085     size_t Open_Buffer_Finalize ();
00090     size_t Save ();
00094     void Close ();
00095 
00096     //General information
00100     String Inform (size_t Reserved=0);
00101 
00102     //Get
00111     String Get (stream_t StreamKind, size_t StreamNumber, size_t Parameter, info_t InfoKind=Info_Text);
00122     String Get (stream_t StreamKind, size_t StreamNumber, const String &Parameter, info_t InfoKind=Info_Text, info_t SearchKind=Info_Name);
00123 
00124     //Set
00134     size_t Set (const String &ToSet, stream_t StreamKind, size_t StreamNumber, size_t Parameter, const String &OldValue=_T(""));
00144     size_t Set (const String &ToSet, stream_t StreamKind, size_t StreamNumber, const String &Parameter, const String &OldValue=_T(""));
00145 
00146     //Output_Buffered
00153     size_t Output_Buffer_Get (const String &Value, unsigned char** Output_Buffer=NULL);
00154 
00155     //Info
00195     String        Option (const String &Option, const String &Value=_T(""));
00201     static String Option_Static (const String &Option, const String &Value=_T(""));
00209     size_t                  State_Get ();
00213     size_t                  Count_Get (stream_t StreamKind, size_t StreamNumber=(size_t)-1);
00214 
00215 private :
00216     friend class File_Cdxa; //Theses classes need access to internal structure for optimization. There is recursivity with theses formats
00217 
00218     //Format testing
00219     int Format_Test();
00220     int Format_Test_Buffer();
00221     int Format_Test_FillBuffer_Init();
00222     int Format_Test_FillBuffer_Continue();
00223     int Format_Test_FillBuffer_Close();
00224 
00225     //File
00226     String File_Name;
00227     void*             File_Handle;
00228     ZenLib::int64u   File_Size;
00229     ZenLib::int64u   File_Offset;
00230     bool             File_AlreadyBuffered;
00231 
00232     //Buffer
00233     unsigned char*   Buffer;
00234     size_t           Buffer_Size;
00235     size_t           Buffer_Size_Max;
00236     const unsigned char* BufferConst;
00237 
00238     //Parsing handles
00239     File__Analyze*  Info;
00240     Internet__Base* Internet;
00241 
00242     //Thread
00243     void* Thread;
00244     blockmethod_t BlockMethod; //Open() returns when?
00245 
00246     //Helpers
00247     int  InternalMethod; //1=Open file, 3=Supported formats
00248     int  ApplyMethod();
00249     int  ListFormats();
00250     void Buffer_Clear(); //Clear the buffer
00251     void SelectFromExtension (const String &Parser); //Select File_* from the parser name
00252     bool LibraryIsModified(); //Is the library has been modified? (#defines...)
00253     void CreateDummy (const String& Value); //Create dummy Information
00254 
00255     MediaInfo(const MediaInfo&); // Copy Constructor
00256 
00257     //Open Buffer
00258     bool MultipleParsing_IsDetected;
00259 };
00260 
00261 } //NameSpace
00262 #endif

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