File_Wm.cpp

/* 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. */ //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // Main part // //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ //--------------------------------------------------------------------------- // Pre-compilation #include "MediaInfo/PreComp.h" #ifdef __BORLANDC__ #pragma hdrstop #endif //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Setup.h" //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #ifdef MEDIAINFO_WM_YES //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Multiple/File_Wm.h" #if defined(MEDIAINFO_MPEGPS_YES) #include "MediaInfo/Multiple/File_MpegPs.h" #endif #if MEDIAINFO_EVENTS #include "MediaInfo/MediaInfo_Events.h" #endif //MEDIAINFO_EVENTS #include "ZenLib/Utils.h" using namespace ZenLib; //--------------------------------------------------------------------------- namespace MediaInfoLib { //*************************************************************************** // Format //*************************************************************************** //--------------------------------------------------------------------------- File_Wm::File_Wm() :File__Analyze() { //Configuration ParserName="Wm"; #if MEDIAINFO_EVENTS ParserIDs[0]=MediaInfo_Parser_Wm; StreamIDs_Width[0]=2; #endif //MEDIAINFO_EVENTS #if MEDIAINFO_DEMUX Demux_Level=2; //Container #endif //MEDIAINFO_DEMUX DataMustAlwaysBeComplete=false; //Stream Packet_Count=0; MaximumDataPacketSize=(int32u)-1; Header_ExtendedContentDescription_AspectRatioX=0; Header_ExtendedContentDescription_AspectRatioY=0; SizeOfMediaObject_BytesAlreadyParsed=0; FileProperties_Preroll=0; Codec_Description_Count=0; Stream_Number=0; Data_Parse_Padding=0; NumberPayloads=1; NumberPayloads_Pos=0; Data_Parse_Begin=true; IsDvrMs=false; } //*************************************************************************** // Streams management //*************************************************************************** //--------------------------------------------------------------------------- void File_Wm::Streams_Finish() { //Encryption management /*const Ztring& Encryption=Retrieve(Stream_General, 0, General_Encryption); if (!Encryption.empty()) { for (size_t StreamKind=Stream_General+1; StreamKind<Stream_Max; StreamKind++) for (size_t Pos=0; Pos<(*Stream[StreamKind]).size(); Pos++) Fill ((stream_t)StreamKind, 0, "Encryption", Encryption); } Fill("BitRate", CurrentBitRate[StreamNumber]); */ std::map<int16u, stream>::iterator Temp=Stream.begin(); while (Temp!=Stream.end()) { for (std::map<std::string, ZenLib::Ztring>::iterator Info_Temp=Temp->second.Info.begin(); Info_Temp!=Temp->second.Info.end(); ++Info_Temp) Fill(Temp->second.StreamKind, Temp->second.StreamPos, Info_Temp->first.c_str(), Info_Temp->second, true); //Codec Info for (size_t Pos=0; Pos<CodecInfos.size(); Pos++) { if ((CodecInfos[Pos].Type==1 && Temp->second.StreamKind==Stream_Video) || (CodecInfos[Pos].Type==2 && Temp->second.StreamKind==Stream_Audio)) { Fill(Temp->second.StreamKind, Temp->second.StreamPos, "CodecID_Description", CodecInfos[Pos].Info, true); Fill(Temp->second.StreamKind, Temp->second.StreamPos, "Codec_Description", CodecInfos[Pos].Info, true); } } if (Temp->second.StreamKind==Stream_Video) { //Some tests about the frame rate int32u PresentationTime_Previous=(int32u)-1; size_t TimeDiffs_Sum=0; std::map<int32u, size_t> TimeDiffs; for (std::set<int32u>::iterator PresentationTime=Temp->second.PresentationTimes.begin(); PresentationTime!=Temp->second.PresentationTimes.end(); ++PresentationTime) { if (PresentationTime_Previous!=(int32u)-1) TimeDiffs[*PresentationTime-PresentationTime_Previous]++; PresentationTime_Previous=*PresentationTime; } for (std::map<int32u, size_t>::iterator TimeDiff=TimeDiffs.begin(); TimeDiff!=TimeDiffs.end();) { if (TimeDiff->second<=2) TimeDiffs.erase(TimeDiff++); else { TimeDiffs_Sum+=TimeDiff->second; ++TimeDiff; } } if (TimeDiffs.empty() || (TimeDiffs.size()==1 && TimeDiffs_Sum<16) || (TimeDiffs.size()==2 && TimeDiffs_Sum<32) || TimeDiffs.begin()->first==1) { if (Temp->second.AverageTimePerFrame>0) Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate, ((float)10000000)/(Temp->second.AverageTimePerFrame*(Temp->second.Parser && Temp->second.Parser->Retrieve(Stream_Video, 0, Video_ScanType)==__T("Interlaced")?2:1)), 3, true); } else if (TimeDiffs.size()==1) { Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate, 1000/((float64)TimeDiffs.begin()->first), 3, true); if (Temp->second.AverageTimePerFrame>0) Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate_Nominal, ((float)10000000)/(Temp->second.AverageTimePerFrame*(Temp->second.Parser && Temp->second.Parser->Retrieve(Stream_Video, 0, Video_ScanType)==__T("Interlaced")?2:1)), 3, true); } else if (TimeDiffs.size()==2) { std::map<int32u, size_t>::iterator PresentationTime_Delta_Most=TimeDiffs.begin(); float64 PresentationTime_Deltas_1_Value=(float64)PresentationTime_Delta_Most->first; float64 PresentationTime_Deltas_1_Count=(float64)PresentationTime_Delta_Most->second; ++PresentationTime_Delta_Most; float64 PresentationTime_Deltas_2_Value=(float64)PresentationTime_Delta_Most->first; float64 PresentationTime_Deltas_2_Count=(float64)PresentationTime_Delta_Most->second; float64 FrameRate_Real=1000/(((PresentationTime_Deltas_1_Value*PresentationTime_Deltas_1_Count)+(PresentationTime_Deltas_2_Value*PresentationTime_Deltas_2_Count))/(PresentationTime_Deltas_1_Count+PresentationTime_Deltas_2_Count)); Fill(Temp->second.StreamKind, Temp->second.StreamPos, Video_FrameRate, FrameRate_Real, 3, true); if (Temp->second.AverageTimePerFrame>0) Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate_Nominal, ((float)10000000)/(Temp->second.AverageTimePerFrame*(Temp->second.Parser && Temp->second.Parser->Retrieve(Stream_Video, 0, Video_ScanType)==__T("Interlaced")?2:1)), 3, true); } else { Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate_Mode, "VFR"); if (Temp->second.AverageTimePerFrame>0) Fill(Stream_Video, Temp->second.StreamPos, Video_FrameRate_Nominal, ((float)10000000)/(Temp->second.AverageTimePerFrame*(Temp->second.Parser && Temp->second.Parser->Retrieve(Stream_Video, 0, Video_ScanType)==__T("Interlaced")?2:1)), 3, true); } } if (Temp->second.AverageBitRate>0) Fill(Temp->second.StreamKind, Temp->second.StreamPos, "BitRate", Temp->second.AverageBitRate, 10, true); if (Temp->second.LanguageID!=(int16u)-1 && Temp->second.LanguageID<(int16u)Languages.size()) Fill(Temp->second.StreamKind, Temp->second.StreamPos, "Language", Languages[Temp->second.LanguageID]); else if (!Language_ForAll.empty()) Fill(Temp->second.StreamKind, Temp->second.StreamPos, "Language", Language_ForAll); if (Temp->second.Parser) { if (Temp->second.StreamKind==Stream_Max) if (Temp->second.Parser->Count_Get(Stream_Audio)) { Stream_Prepare(Stream_Audio); Temp->second.StreamKind=StreamKind_Last; Temp->second.StreamPos=StreamPos_Last; } Ztring Format_Profile; if (Temp->second.StreamKind==Stream_Video) Format_Profile=Retrieve(Stream_Video, Temp->second.StreamPos, Video_Format_Profile); Finish(Temp->second.Parser); if (Temp->second.Parser->Get(Stream_Video, 0, Video_Format)==__T("MPEG Video")) { //Width/Height are junk Clear(Stream_Video, Temp->second.StreamPos, Video_Width); Clear(Stream_Video, Temp->second.StreamPos, Video_Height); Clear(Stream_Video, Temp->second.StreamPos, Video_PixelAspectRatio); Clear(Stream_Video, Temp->second.StreamPos, Video_DisplayAspectRatio); } //Delay (in case of MPEG-PS) if (Temp->second.TimeCode_First!=(int64u)-1) { Fill(Temp->second.StreamKind, Temp->second.StreamPos, Fill_Parameter(Temp->second.StreamKind, Generic_Delay), Temp->second.TimeCode_First, 10); Fill(Temp->second.StreamKind, Temp->second.StreamPos, Fill_Parameter(Temp->second.StreamKind, Generic_Delay_Source), "Container"); } Merge(*Temp->second.Parser, Temp->second.StreamKind, 0, Temp->second.StreamPos); if (!Format_Profile.empty() && Format_Profile.find(Retrieve(Stream_Video, Temp->second.StreamPos, Video_Format_Profile))==0) Fill(Stream_Video, Temp->second.StreamPos, Video_Format_Profile, Format_Profile, true); } ++Temp; } if (Count_Get(Stream_Video)==0 && Count_Get(Stream_Image)==0) Fill(Stream_General, 0, General_InternetMediaType, "audio/x-ms-wma", Unlimited, true, true); //Purge what is not needed anymore if (!File_Name.empty()) //Only if this is not a buffer, with buffer we can have more data Stream.clear(); } //*************************************************************************** // Buffer //*************************************************************************** //--------------------------------------------------------------------------- void File_Wm::Header_Parse() { if (!MustUseAlternativeParser) { //Parsing int128u Name; int64u Size; Get_GUID(Name, "Name"); Get_L8 (Size, "Size"); //Filling Header_Fill_Code(Name.hi, Ztring().From_GUID(Name)); Header_Fill_Size(Size); } else { Header_Fill_Code(0, "Packet"); Header_Fill_Size(MaximumDataPacketSize); } } //*************************************************************************** // C++ //*************************************************************************** } //NameSpace #endif //MEDIAINFO_WM_YES

↑ V730 Not all members of a class are initialized inside the constructor. Consider inspecting: Data_Parse_MultiplePayloads, Data_Parse_CompressedPayload, Streams_Count, Header_StreamProperties_StreamOrder, Data_AfterTheDataChunk, ReplicatedDataLengthType, ...

↑ V783 Dereferencing of the invalid iterator 'PresentationTime_Delta_Most' might take place.

↑ V807 Decreased performance. Consider creating a reference to avoid using the 'Temp->second' expression repeatedly.