//--------------------------------------------------------------------------- void File_Amr::FileHeader_Parse() { //From a container if (!Codec.empty()) { Accept("AMR"); Finish("AMR"); return; } //Parsing int64u Signature; Skip_C5( "Signature (Common)"); Peek_B8(Signature); if ((Signature&0xFF00000000000000LL)==0x0A00000000000000LL) //\n { IsWB=false; Channels=1; } else if ((Signature&0xFFFFFFFFFFFFFF00LL)==0x5F4D43312E300A00LL) //_MC1.0\n { IsWB=false; Channels=2; //Or more, see later } else if ((Signature&0xFFFFFF0000000000LL)==0x2D57420000000000LL) //-WB { Skip_C3( "Signature (WB)"); IsWB=true; Peek_B8(Signature); if ((Signature&0xFF00000000000000LL)==0x0A00000000000000LL) //\n { Channels=1; } else if ((Signature&0xFFFFFFFFFFFFFF00LL)==0x5F4D43312E300A00LL) //_MC1.0\n { Channels=2; //Or more, see later } } else Channels=0; Skip_B1( "Signature (Carriage return)"); /* if (Channels==2) //Mutli-channels { BS_Begin(); Skip_S4(28, "Reserved"); Get_S1 ( 4, Channels, "Channels"); } */ Header_Size=(int8u)Element_Offset; FILLING_BEGIN(); Accept("AMR"); if (Channels!=1 || IsWB) Finish("AMR"); FILLING_END(); }
//--------------------------------------------------------------------------- void File_OpenMG::FileHeader_Parse() { //Parsing int16u Size, FrameSize=0; int8u Flags, CodecID, SamplingRate_Code=0, Channels_Code=0; bool JointStereo=false; Skip_C3( "Code"); Get_B1 (Flags, "Flags"); Get_B2 (Size, "Size"); Skip_XX(26, "Unknown"); Get_B1 (CodecID, "Coded ID"); Param_Info1(OpenMG_CodecID_Format(CodecID)); if (CodecID<=1) //Atrac3 { BS_Begin(); Skip_S1(7, "Unknown"); Get_SB ( JointStereo, "Joint Stereo"); Get_S1 (3, SamplingRate_Code, "Sampling Rate"); Param_Info2(OpenMG_SamplingRate(SamplingRate_Code), " Hz"); Get_S1 (3, Channels_Code, "Channels"); Param_Info2(OpenMG_Channels(Channels_Code), " channel(s)"); Get_S2 (10, FrameSize, "Frame size"); BS_End(); } Skip_XX(Size-Element_Offset, "Unknown"); FILLING_BEGIN(); if (!Status[IsAccepted]) { File__Tags_Helper::Accept(); Fill(Stream_Audio, 0, Audio_Format, OpenMG_CodecID_Format(CodecID)); Fill(Stream_Audio, 0, Audio_Encryption, OpenMG_CodecID_Encryption(CodecID)); int64u StreamSize=(int64u)-1; if (File_Size!=(int64u)-1) { StreamSize=File_Size-(Buffer_Offset+Element_Size); Fill(Stream_Audio, 0, Audio_StreamSize, StreamSize); } if (CodecID<=1) // Atrac3 { Fill(Stream_Audio, 0, Audio_Channel_s_, OpenMG_Channels(Channels_Code)); Fill(Stream_Audio, 0, Audio_ChannelPositions, OpenMG_ChannelPositions(Channels_Code)); if (Channels_Code==1 && JointStereo) Fill(Stream_Audio, 0, Audio_Format_Settings_Mode, "Joint Stereo"); Fill(Stream_Audio, 0, Audio_SamplingRate, OpenMG_SamplingRate(SamplingRate_Code)); if (CodecID==1) //Protected FrameSize++; //Not sure FrameSize<<=3; //8-byte blocks int64u BitRate=OpenMG_SamplingRate(SamplingRate_Code)*FrameSize/256; Fill(Stream_Audio, 0, Audio_BitRate, BitRate); if (StreamSize!=(int64u)-1 && BitRate) Fill(Stream_Audio, 0, Audio_Duration, StreamSize*8*1000/BitRate); } } FILLING_END(); }
//--------------------------------------------------------------------------- void File_ArriRaw::Read_Buffer_Continue() { //Parsing Skip_C4( "Signature"); Skip_C1( "Signature"); Skip_C3( "Signature"); Skip_XX(File_Size-8, "Data"); FILLING_BEGIN(); Frame_Count++; if (Frame_Count_NotParsedIncluded!=(int64u)-1) Frame_Count_NotParsedIncluded++; if (!Status[IsFilled]) { Fill(); if (Config->ParseSpeed<1.0) Finish(); } FILLING_END(); }
//--------------------------------------------------------------------------- void File_Mpc::FileHeader_Parse() { //Parsing Element_Begin("SV7 header", 21); Ztring Encoder; int32u FrameCount; int16u TitleGain, AlbumGain; int8u Profile, Link, SampleFreq, EncoderVersion; Skip_C3( "Signature"); BS_Begin(); Skip_S1(4, "PNS"); Skip_S1(4, "Version"); BS_End(); Get_L4 (FrameCount, "FrameCount"); Skip_L2( "MaxLevel"); BS_Begin(); Get_S1 (4, Profile, "Profile"); Param_Info(Mpc_Profile[Profile]); Get_S1 (2, Link, "Link"); Param_Info(Mpc_Link[Link]); Get_S1 (2, SampleFreq, "SampleFreq"); Param_Info(Mpc_SampleFreq[SampleFreq]); Skip_SB( "IntensityStereo"); Skip_SB( "MidSideStereo"); Skip_S1(6, "MaxBand"); BS_End(); Skip_L2( "TitlePeak"); Get_L2 (TitleGain, "TitleGain"); Param_Info(((float32)((int16s)TitleGain))/1000, 2, " dB"); Skip_L2( "AlbumPeak"); Get_L2 (AlbumGain, "AlbumGain"); Param_Info(((float32)((int16s)TitleGain))/1000, 2, " dB"); BS_Begin(); Skip_S2(16, "unused"); Skip_S1( 4, "LastFrameLength (part 1)"); Skip_SB( "FastSeekingSafe"); Skip_S1( 3, "unused"); Skip_SB( "TrueGapless"); Skip_S1( 7, "LastFrameLength (part 2)"); BS_End(); Get_L1 (EncoderVersion, "EncoderVersion"); Encoder.From_Number(((float)EncoderVersion)/100, 2); if (EncoderVersion%10==0); else if (EncoderVersion%2==0) Encoder+=_T(" Beta"); else if (EncoderVersion%2==1) Encoder+=_T(" Alpha"); Param_Info(Encoder); Element_End(); FILLING_BEGIN(); File__Tags_Helper::Accept("Musepack SV7"); File__Tags_Helper::Stream_Prepare(Stream_Audio); Fill(Stream_Audio, 0, Audio_SamplingRate, Mpc_SampleFreq[SampleFreq]); Fill(Stream_Audio, 0, Audio_SamplingCount, FrameCount*1152); Fill(Stream_Audio, 0, Audio_Format, "Musepack SV7"); Fill(Stream_Audio, 0, Audio_Codec, "SV7"); Fill(Stream_Audio, 0, Audio_Codec_Settings, Mpc_Profile[Profile]); Fill(Stream_Audio, 0, Audio_Encoded_Library, Encoder); Fill(Stream_Audio, 0, Audio_Resolution, 16); //MPC support only 16 bits Fill(Stream_Audio, 0, Audio_Duration, ((int64u)FrameCount)*1152*1000/Mpc_SampleFreq[SampleFreq]); if (FrameCount) Fill(Stream_Audio, 0, Audio_BitRate, (File_Size-25)*8*Mpc_SampleFreq[SampleFreq]/FrameCount/1152); //No more need data File__Tags_Helper::Finish("Musepack SV7"); FILLING_END(); }
//--------------------------------------------------------------------------- void File_Id3::Read_Buffer_Continue() { //Buffer size if (Buffer_Size<128) return; int32u Magic; Peek_B4(Magic); Ztring TitleAddition; Ztring ArtistAddition; Ztring AlbumAddition; Ztring GenreAddition; if (Magic==0x5441472B) { if (Buffer_Size<227+128) return; Skip_C4 ( "ID"); Get_Local (60, TitleAddition, "Title"); Get_Local (60, ArtistAddition, "Artist"); Get_Local (60, AlbumAddition, "Album"); Skip_B1 ( "Speed"); Get_Local (30, GenreAddition, "Genre"); Skip_Local(6, "Start time"); //mmm:ss Skip_Local(6, "End time"); //mmm:ss TitleAddition.TrimRight(); ArtistAddition.TrimRight(); AlbumAddition.TrimRight(); GenreAddition.TrimRight(); } //Parsing Ztring Title, Artist, Album, Year, Comment; int8u Track=0, Genre; Skip_C3 ( "ID"); Get_Local (30, Title, "Title"); Get_Local (30, Artist, "Artist"); Get_Local (30, Album, "Album"); Get_Local ( 4, Year, "Year"); Get_Local (30, Comment, "Comment"); if (Comment.size()<29) //Id3v1.1 specifications : Track number addition { Element_Offset-=2; int8u Zero; Peek_B1(Zero); if (Zero==0) { Skip_B1( "Zero"); Get_B1 (Track, "Track"); } else Element_Offset+=2; } Get_B1 (Genre, "Genre"); FILLING_BEGIN(); if (TitleAddition.empty()) Title.TrimRight(); if (ArtistAddition.empty()) Artist.TrimRight(); if (AlbumAddition.empty()) Album.TrimRight(); Year.TrimRight(); Comment.TrimRight(); Accept("Id3"); Stream_Prepare(Stream_General); Fill(Stream_General, 0, General_Album, Album+AlbumAddition); Fill(Stream_General, 0, General_Track, Title+TitleAddition); Fill(Stream_General, 0, General_Performer, Artist+ArtistAddition); Fill(Stream_General, 0, General_Comment, Comment); Fill(Stream_General, 0, General_Recorded_Date, Year); if (GenreAddition.empty()) Fill(Stream_General, 0, General_Genre, GenreAddition); if (Genre && Genre!=(int8u)-1) Fill(Stream_General, 0, General_Genre, Genre); if (Track) Fill(Stream_General, 0, General_Track_Position, Track); Finish("Id3"); FILLING_END(); }