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ID3v2Library.pas
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ID3v2Library.pas
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//********************************************************************************************************************************
//* *
//* ID3v2 Library 2.0.16.38 © 3delite 2010-2013 *
//* See ID3v2 Library 2.0 Readme.txt for details *
//* *
//* Two licenses are available for commercial usage of this component: *
//* Shareware License: 50 Euros *
//* Commercial License: 250 Euros *
//* *
//* http://www.shareit.com/product.html?productid=300294127 *
//* *
//* Using the component in free programs is free. *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/id3v2library.html *
//* *
//* There is also an APEv2 Library available at: *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/APEv2Library.html *
//* *
//* and also an MP4 Tag Library available at: *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/MP4TagLibrary.html *
//* *
//* and also an Ogg Vorbis and Opus Tag Library available at: *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/OpusTagLibrary.html *
//* *
//* and also a Flac Tag Library available at: *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/FlacTagLibrary.html *
//* *
//* and also a WMA Tag Library available at: *
//* *
//* http://www.3delite.hu/Object%20Pascal%20Developer%20Resources/WMATagLibrary.html *
//* *
//* For other Delphi components see the home page: *
//* *
//* http://www.3delite.hu/ *
//* *
//* If you have any questions or enquiries please mail: 3delite@3delite.hu *
//* *
//* Good coding! :) *
//* 3delite *
//********************************************************************************************************************************
unit ID3v2Library;
{$mode delphi}
{$Optimization Off}
interface
Uses
Classes;
Const
ID3V2LIBRARY_VERSION = $02001333;
type
DWord = Cardinal;
type
TID3v2ID = Array [0..2] of AnsiChar;
TFrameID = Array [0..3] of AnsiChar;
TLanguageID = Array [0..2] of AnsiChar;
TRIFFID = Array [0..3] of AnsiChar;
TRIFFChunkID = Array [0..3] of AnsiChar;
TAIFFID = Array [0..3] of AnsiChar;
TAIFFChunkID = Array [0..3] of AnsiChar;
Const
ID3V2LIBRARY_SUCCESS = 0;
ID3V2LIBRARY_ERROR = $FFFF;
ID3V2LIBRARY_ERROR_NO_TAG_FOUND = 1;
ID3V2LIBRARY_ERROR_EMPTY_TAG = 2;
ID3V2LIBRARY_ERROR_EMPTY_FRAMES = 3;
ID3V2LIBRARY_ERROR_OPENING_FILE = 4;
ID3V2LIBRARY_ERROR_READING_FILE = 5;
ID3V2LIBRARY_ERROR_WRITING_FILE = 6;
ID3V2LIBRARY_ERROR_DOESNT_FIT = 7;
ID3V2LIBRARY_ERROR_NOT_SUPPORTED_VERSION = 8;
ID3V2LIBRARY_ERROR_NOT_SUPPORTED_FORMAT = 9;
ID3V2LIBRARY_ERROR_NEED_EXCLUSIVE_ACCESS = 10;
const
ID3V2LIBRARY_DEFAULT_PADDING_SIZE = 4096;
const
ID3V2LIBRARY_SESC_ID = $55555555;
ID3V2LIBRARY_SESC_VERSION2: Byte = $02;
type
TWaveds64 = record
ds64Size: DWORD;
RIFFSizeLow: DWORD;
RIFFSizeHigh: DWORD;
DataSizeLow: DWORD;
DataSizeHigh: DWORD;
SampleCountLow: DWORD;
SampleCountHigh: DWORD;
TableLength: DWORD;
end;
type
TID3v2ExtendedHeader3 = class
Size: Dword;
CodedSize: Cardinal;
Data: TMemoryStream;
Flags: Word;
CRCPresent: Boolean;
Constructor Create;
Destructor Destroy; override;
procedure DecodeExtendedHeaderSize;
procedure DecodeExtendedHeaderFlags;
end;
type
TID3v2ExtendedHeader4TagSizeRestriction = (
NoMoreThan128FramesAnd1MBTotalTagSize,
NoMoreThan64FramesAnd128KBTotalTagSize,
NoMoreThan32FramesAnd40KBTotalTagSize,
NoMoreThan32FramesAnd4KBTotalTagSize
);
type
TID3v2ExtendedHeader4TextEncodingRestriction = (
NoTextEncodingRestrictions,
OnlyEncodedWithISO88591OrUTF8
);
type
TID3v2ExtendedHeader4TextFieldsSizeRestriction = (
NoTextFieldsSizeRestrictions,
NoStringIsLongerThan1024Characters,
NoStringIsLongerThan128Characters,
NoStringIsLongerThan30Characters
);
type
TID3v2ExtendedHeader4ImageEncodingRestriction = (
NoImageEncodingRestrictions,
ImagesAreEncodedOnlyWithPNGOrJPEG
);
type
TID3v2ExtendedHeader4ImageSizeRestriction = (
NoImageSizeRestrictions,
AllImagesAre256x256PixelsOrSmaller,
AllImagesAre64x64PixelsOrSmaller,
AllImagesAreExactly64x64PixelsUnlessRequiredOtherwise
);
type
TID3v2ExtendedHeader4 = class
Size: DWord;
CodedSize: Cardinal;
FlagBytes: Byte;
Flags: Byte;
ExtendedFlagsDataSize: Cardinal;
ExtendedFlagsData: Array of Byte;
TagIsAnUpdate: Boolean;
CRCPresent: Boolean;
TagRestrictions: Boolean;
TagRestrictionsData: TID3v2ExtendedHeader4TagSizeRestriction;
TextEncodingRestrictions: TID3v2ExtendedHeader4TextEncodingRestriction;
TextFieldsSizeRestriction: TID3v2ExtendedHeader4TextFieldsSizeRestriction;
ImageEncodingRestriction: TID3v2ExtendedHeader4ImageEncodingRestriction;
ImageSizeRestriction: TID3v2ExtendedHeader4ImageSizeRestriction;
Constructor Create;
Destructor Destroy; override;
procedure DecodeExtendedHeaderSize;
procedure DecodeExtendedHeaderFlags;
procedure CalculateExtendedFlagsDataSize;
procedure DecodeExtendedHeaderFlagData;
end;
type
TID3v2SampleCache = Array of Byte;
type
TID3v2Frame = class
private
public
ID: TFrameID;
Size: Cardinal;
CodedSize: Cardinal;
Stream: TMemoryStream;
Flags: Word;
TagAlterPreservation: Boolean;
FileAlterPreservation: Boolean;
ReadOnly: Boolean;
Compressed: Boolean;
Encrypted: Boolean;
GroupingIdentity: Boolean;
Unsynchronised: Boolean;
DataLengthIndicator: Boolean;
GroupIdentifier: Byte;
EncryptionMethod: Byte;
DataLengthIndicatorValue: Cardinal;
Constructor Create;
Destructor Destroy; override;
procedure DecodeFlags3;
procedure EncodeFlags3;
procedure DecodeFlags4;
procedure EncodeFlags4;
function Compress: Boolean;
function DeCompress: Boolean;
function RemoveUnsynchronisation: Boolean;
function ApplyUnsynchronisation: Boolean;
function Assign(ID3v2Frame: TID3v2Frame): Boolean;
procedure Clear;
end;
type
TID3v2Tag = class
private
CodedSize: Cardinal;
procedure DecodeFlags;
procedure EncodeFlags;
procedure DecodeSize;
procedure EncodeSize;
function ReadExtendedHeader(TagStream: TStream): Boolean;
//function WriteExtendedHeader(TagStream: TStream): Boolean;
function RemoveUnsynchronisationOnExtendedHeaderSize: Boolean;
function ApplyUnsynchronisationOnExtendedHeaderSize: Boolean;
function RemoveUnsynchronisationOnExtendedHeaderData: Boolean;
function ApplyUnsynchronisationOnExtendedHeaderData: Boolean;
function LoadFrame(TagStream: TStream): Boolean;
procedure LoadFrameData(TagStream: TStream; FrameIndex: Integer);
procedure CompactFrameList;
function WriteAllFrames(var TagStream: TStream): Integer;
function WriteAllHeaders(var TagStream: TStream): Integer;
function Convertv2Tov3(FrameIndex: Integer): Boolean;
function Convertv2PICtoAPIC(FrameIndex: Integer): Boolean;
public
FileName: String;
Loaded: Boolean;
MajorVersion: Byte;
MinorVersion: Byte;
Flags: Byte;
Unsynchronised: Boolean;
Compressed: Boolean;
ExtendedHeader: Boolean;
Experimental: Boolean;
FooterPresent: Boolean;
Size: Cardinal;
Frames: Array of TID3v2Frame;
FrameCount: Integer;
ExtendedHeader3: TID3v2ExtendedHeader3;
ExtendedHeader4: TID3v2ExtendedHeader4;
PaddingSize: Cardinal;
PaddingToWrite: Cardinal;
Constructor Create;
Destructor Destroy; override;
function LoadFromFile(FileName: String): Integer;
function LoadFromStream(TagStream: TStream): Integer;
function SaveToFile(FileName: String): Integer;
function SaveToStream(var TagStream: TStream; PaddingSizeToWrite: Integer = 0): Integer;
function AddFrame(FrameID: TFrameID): Integer; overload;
function AddFrame(FrameID: AnsiString): Integer; overload;
function InsertFrame(FrameID: TFrameID; Position: Integer): Integer; overload;
function InsertFrame(FrameID: AnsiString; Position: Integer): Integer; overload;
function DeleteFrame(FrameIndex: Integer): Boolean; overload;
function DeleteFrame(FrameID: TFrameID): Boolean; overload;
function DeleteFrame(FrameID: AnsiString): Boolean; overload;
procedure DeleteAllFrames;
procedure Clear;
procedure Assign(ID3v2Tag: TID3v2Tag);
function RemoveUnsynchronisationOnAllFrames: Boolean;
function ApplyUnsynchronisationOnAllFrames: Boolean;
function FrameExists(FrameID: TFrameID): Integer; overload;
function FrameExists(FrameID: AnsiString): Integer; overload;
function FrameTypeCount(FrameID: TFrameID): Integer;
function CalculateTotalFramesSize: Integer;
function CalculateTagSize(PaddingSize: Integer): Integer;
function FullFrameSize(FrameIndex: Cardinal): Cardinal;
function CalculateTagCRC32: Cardinal;
function GetUnicodeText(FrameIndex: Integer): String; overload;
function GetUnicodeText(FrameID: AnsiString): String; overload;
function SetUnicodeText(FrameIndex: Integer; Text: String): Boolean; overload;
function SetUnicodeText(FrameID: AnsiString; Text: String): Boolean; overload;
function SetText(FrameID: AnsiString; Text: AnsiString): Boolean; overload;
function SetText(FrameIndex: Integer; Text: AnsiString): Boolean; overload;
function SetUTF8Text(FrameID: AnsiString; Text: String): Boolean; overload;
function SetUTF8Text(FrameIndex: Integer; Text: String): Boolean; overload;
function SetRawText(FrameIndex: Integer; Text: AnsiString): Boolean; overload;
function SetRawText(FrameID: AnsiString; Text: AnsiString): Boolean; overload;
function GetUnicodeContent(FrameIndex: Integer; var LanguageID: TLanguageID; var Description: String): String; overload;
function GetUnicodeContent(FrameID: AnsiString; var LanguageID: TLanguageID; var Description: String): String; overload;
function SetContent(FrameIndex: Integer; Content: AnsiString; LanguageID: TLanguageID; Description: AnsiString): Boolean; overload;
function SetContent(FrameID: AnsiString; Content: AnsiString; LanguageID: TLanguageID; Description: AnsiString): Boolean; overload;
function SetUTF8Content(FrameIndex: Integer; Content: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUTF8Content(FrameID: AnsiString; Content: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUnicodeContent(FrameIndex: Integer; Content: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUnicodeContent(FrameID: AnsiString; Content: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function GetUnicodeComment(FrameIndex: Integer; var LanguageID: TLanguageID; var Description: String): String; overload;
function GetUnicodeComment(FrameID: AnsiString; var LanguageID: TLanguageID; var Description: String): String; overload;
function FindUnicodeCommentByDescription(Description: String; var LanguageID: TLanguageID; var Comment: String): Integer;
function SetUnicodeComment(FrameIndex: Integer; Comment: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUnicodeComment(FrameID: AnsiString; Comment: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUnicodeCommentByDescription(Description: String; LanguageID: TLanguageID; Comment: String): Boolean;
function GetUnicodeLyrics(FrameIndex: Integer; var LanguageID: TLanguageID; var Description: String): String; overload;
function GetUnicodeLyrics(FrameID: AnsiString; var LanguageID: TLanguageID; var Description: String): String; overload;
function SetUnicodeLyrics(FrameIndex: Integer; Lyrics: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function SetUnicodeLyrics(FrameID: AnsiString; Lyrics: String; LanguageID: TLanguageID; Description: String): Boolean; overload;
function GetUnicodeCoverPictureStream(FrameIndex: Integer; var PictureStream: TStream; var MIMEType: AnsiString; var Description: String; var CoverType: Integer): Boolean; overload;
function GetUnicodeCoverPictureStream(FrameID: AnsiString; var PictureStream: TStream; var MIMEType: AnsiString; var Description: String; var CoverType: Integer): Boolean; overload;
function SetUnicodeCoverPictureFromStream(FrameIndex: Integer; Description: String; PictureStream: TStream; MIMEType: AnsiString; CoverType: Integer): Boolean; overload;
function SetUnicodeCoverPictureFromStream(FrameID: AnsiString; Description: String; PictureStream: TStream; MIMEType: AnsiString; CoverType: Integer): Boolean; overload;
function SetUnicodeCoverPictureFromFile(FrameIndex: Integer; Description: String; PictureFileName: String; MIMEType: AnsiString; CoverType: Integer): Boolean; overload;
function SetUnicodeCoverPictureFromFile(FrameID: AnsiString; Description: String; PictureFileName: String; MIMEType: AnsiString; CoverType: Integer): Boolean; overload;
function GetURL(FrameIndex: Integer): AnsiString; overload;
function GetURL(FrameID: AnsiString): AnsiString; overload;
function SetURL(FrameIndex: Integer; URL: AnsiString): Boolean; overload;
function SetURL(FrameID: AnsiString; URL: AnsiString): Boolean; overload;
function GetUnicodeUserDefinedURLLink(FrameIndex: Integer; var Description: String): AnsiString; overload;
function GetUnicodeUserDefinedURLLink(FrameID: AnsiString; var Description: String): AnsiString; overload;
function FindUnicodeUserDefinedURLLinkByDescription(Description: String; var URL: AnsiString): Integer;
function SetUserDefinedURLLink(FrameIndex: Integer; URL: AnsiString; Description: AnsiString): Boolean; overload;
function SetUserDefinedURLLink(FrameID: AnsiString; URL: AnsiString; Description: AnsiString): Boolean; overload;
function SetUTF8UserDefinedURLLink(FrameIndex: Integer; URL: AnsiString; Description: String): Boolean; overload;
function SetUTF8UserDefinedURLLink(FrameID: AnsiString; URL: AnsiString; Description: String): Boolean; overload;
function SetUnicodeUserDefinedURLLink(FrameIndex: Integer; URL: AnsiString; Description: String): Boolean; overload;
function SetUnicodeUserDefinedURLLink(FrameID: AnsiString; URL: AnsiString; Description: String): Boolean; overload;
function SetUnicodeUserDefinedURLLinkByDescription(Description: String; URL: AnsiString): Boolean;
function GetTime(FrameIndex: Integer): TDateTime; overload;
function GetTime(FrameID: AnsiString): TDateTime; overload;
function SetTime(FrameIndex: Integer; DateTime: TDateTime): Boolean; overload;
function SetTime(FrameID: AnsiString; DateTime: TDateTime): Boolean; overload;
function GetSEBR(FrameIndex: Integer): {$IFDEF CPUX64}Double{$ELSE}Extended{$ENDIF}; overload;
function GetSEBR(FrameID: AnsiString): {$IFDEF CPUX64}Double{$ELSE}Extended{$ENDIF}; overload;
function GetSEBRString(FrameIndex: Integer): AnsiString;
function SetSEBR(FrameIndex: Integer; BitRate: AnsiString): Boolean; overload;
function SetSEBR(FrameID: AnsiString; BitRate: AnsiString): Boolean; overload;
{$IFNDEF CPUX64}
function SetSEBR(FrameIndex: Integer; BitRate: Extended): Boolean; overload;
function SetSEBR(FrameID: AnsiString; BitRate: Extended): Boolean; overload;
{$ENDIF}
function GetSampleCache(FrameIndex: Integer; ForceDecompression: Boolean; var Version: Byte; var Channels: Integer): TID3v2SampleCache;
function SetSampleCache(FrameIndex: Integer; SESC: TID3v2SampleCache; Channels: Integer): Boolean;
function GetSEFC(FrameIndex: Integer): Int64;
function SetSEFC(FrameIndex: Integer; SEFC: Int64): Boolean;
function SetAlbumColors(FrameIndex: Integer; TitleColor, TextColor: Cardinal): Boolean; overload;
function SetAlbumColors(FrameID: AnsiString; TitleColor, TextColor: Cardinal): Boolean; overload;
function GetAlbumColors(FrameIndex: Integer; var TitleColor, TextColor: Cardinal): Boolean; overload;
function GetAlbumColors(FrameID: AnsiString; var TitleColor, TextColor: Cardinal): Boolean; overload;
function SetTLEN(FrameIndex: Integer; TLEN: Integer): Boolean; overload;
function SetTLEN(FrameID: AnsiString; TLEN: Integer): Boolean; overload;
function GetPlayCount(FrameIndex: Integer): Cardinal; overload;
function GetPlayCount(FrameID: AnsiString): Cardinal; overload;
function SetPlayCount(FrameIndex: Integer; PlayCount: Cardinal): Boolean; overload;
function SetPlayCount(FrameID: AnsiString; PlayCount: Cardinal): Boolean; overload;
function FindCustomFrame(FrameID: AnsiString; Description: String): Integer;
function GetUnicodeUserDefinedTextInformation(FrameIndex: Integer; var Description: String): String;
function SetUserDefinedTextInformation(FrameIndex: Integer; Description: AnsiString; Text: AnsiString): Boolean; overload;
function SetUserDefinedTextInformation(FrameID: AnsiString; Description: AnsiString; Text: AnsiString): Boolean; overload;
function SetUTF8UserDefinedTextInformation(FrameIndex: Integer; Description: String; Text: String): Boolean; overload;
function SetUTF8UserDefinedTextInformation(FrameID: AnsiString; Description: String; Text: String): Boolean; overload;
function SetUnicodeUserDefinedTextInformation(FrameIndex: Integer; Description: String; Text: String): Boolean; overload;
function SetUnicodeUserDefinedTextInformation(FrameID: AnsiString; Description: String; Text: String): Boolean; overload;
function GetPopularimeter(FrameIndex: Integer; var Email: AnsiString; var Rating: Byte; var PlayCounter: Cardinal): Boolean;
function FindPopularimeter(Email: AnsiString; var Rating: Byte; var PlayCounter: Cardinal): Integer;
function SetPopularimeterByEmail(Email: AnsiString; Rating: Byte; PlayCounter: Cardinal = 0): Boolean;
function SetPopularimeter(FrameIndex: Integer; Email: AnsiString; Rating: Byte; PlayCounter: Cardinal): Boolean;
function FindTXXXByDescription(Description: String; var Text: String): Integer;
function GetUnicodeTXXX(FrameIndex: Integer; var Description: String): String;
function SetUnicodeTXXXByDescription(Description: String; Text: String): Boolean;
function SetUnicodeTXXX(Index: Integer; Description: String; Text: String): Boolean;
function GetUnicodeListFrame(FrameID: AnsiString; var List: TStrings): Boolean; overload;
function GetUnicodeListFrame(FrameIndex: Integer; var List: TStrings): Boolean; overload;
function SetUnicodeListFrame(FrameID: AnsiString; List: TStrings): Boolean; overload;
function SetUnicodeListFrame(Index: Integer; List: TStrings): Boolean; overload;
function GetUFID(FrameIndex: Integer; var OwnerIdentifier: AnsiString): AnsiString; overload;
function GetUFID(FrameID: AnsiString; var OwnerIdentifier: AnsiString): AnsiString; overload;
function FindUFIDByOwnerIdentifier(OwnerIdentifier: AnsiString; var Identifier: AnsiString): Integer;
function SetUFID(FrameIndex: Integer; OwnerIdentifier: AnsiString; Identifier: AnsiString): Boolean; overload;
function SetUFID(FrameID: AnsiString; OwnerIdentifier: AnsiString; Identifier: AnsiString): Boolean; overload;
function SetUFIDByOwnerIdentifier(OwnerIdentifier: AnsiString; Identifier: AnsiString): Boolean;
end;
type
TID3v2FrameType = (ftUnknown, ftText, ftTextWithDescription, ftTextWithDescriptionAndLangugageID, ftTextList, ftURL, ftUserDefinedURL);
// The constants here are for the CRC-32 generator
// polynomial, as defined in the Microsoft
// Systems Journal, March 1995, pp. 107-108
Const
CRC32Table: array[0..255] of DWORD =
($00000000, $77073096, $EE0E612C, $990951BA,
$076DC419, $706AF48F, $E963A535, $9E6495A3,
$0EDB8832, $79DCB8A4, $E0D5E91E, $97D2D988,
$09B64C2B, $7EB17CBD, $E7B82D07, $90BF1D91,
$1DB71064, $6AB020F2, $F3B97148, $84BE41DE,
$1ADAD47D, $6DDDE4EB, $F4D4B551, $83D385C7,
$136C9856, $646BA8C0, $FD62F97A, $8A65C9EC,
$14015C4F, $63066CD9, $FA0F3D63, $8D080DF5,
$3B6E20C8, $4C69105E, $D56041E4, $A2677172,
$3C03E4D1, $4B04D447, $D20D85FD, $A50AB56B,
$35B5A8FA, $42B2986C, $DBBBC9D6, $ACBCF940,
$32D86CE3, $45DF5C75, $DCD60DCF, $ABD13D59,
$26D930AC, $51DE003A, $C8D75180, $BFD06116,
$21B4F4B5, $56B3C423, $CFBA9599, $B8BDA50F,
$2802B89E, $5F058808, $C60CD9B2, $B10BE924,
$2F6F7C87, $58684C11, $C1611DAB, $B6662D3D,
$76DC4190, $01DB7106, $98D220BC, $EFD5102A,
$71B18589, $06B6B51F, $9FBFE4A5, $E8B8D433,
$7807C9A2, $0F00F934, $9609A88E, $E10E9818,
$7F6A0DBB, $086D3D2D, $91646C97, $E6635C01,
$6B6B51F4, $1C6C6162, $856530D8, $F262004E,
$6C0695ED, $1B01A57B, $8208F4C1, $F50FC457,
$65B0D9C6, $12B7E950, $8BBEB8EA, $FCB9887C,
$62DD1DDF, $15DA2D49, $8CD37CF3, $FBD44C65,
$4DB26158, $3AB551CE, $A3BC0074, $D4BB30E2,
$4ADFA541, $3DD895D7, $A4D1C46D, $D3D6F4FB,
$4369E96A, $346ED9FC, $AD678846, $DA60B8D0,
$44042D73, $33031DE5, $AA0A4C5F, $DD0D7CC9,
$5005713C, $270241AA, $BE0B1010, $C90C2086,
$5768B525, $206F85B3, $B966D409, $CE61E49F,
$5EDEF90E, $29D9C998, $B0D09822, $C7D7A8B4,
$59B33D17, $2EB40D81, $B7BD5C3B, $C0BA6CAD,
$EDB88320, $9ABFB3B6, $03B6E20C, $74B1D29A,
$EAD54739, $9DD277AF, $04DB2615, $73DC1683,
$E3630B12, $94643B84, $0D6D6A3E, $7A6A5AA8,
$E40ECF0B, $9309FF9D, $0A00AE27, $7D079EB1,
$F00F9344, $8708A3D2, $1E01F268, $6906C2FE,
$F762575D, $806567CB, $196C3671, $6E6B06E7,
$FED41B76, $89D32BE0, $10DA7A5A, $67DD4ACC,
$F9B9DF6F, $8EBEEFF9, $17B7BE43, $60B08ED5,
$D6D6A3E8, $A1D1937E, $38D8C2C4, $4FDFF252,
$D1BB67F1, $A6BC5767, $3FB506DD, $48B2364B,
$D80D2BDA, $AF0A1B4C, $36034AF6, $41047A60,
$DF60EFC3, $A867DF55, $316E8EEF, $4669BE79,
$CB61B38C, $BC66831A, $256FD2A0, $5268E236,
$CC0C7795, $BB0B4703, $220216B9, $5505262F,
$C5BA3BBE, $B2BD0B28, $2BB45A92, $5CB36A04,
$C2D7FFA7, $B5D0CF31, $2CD99E8B, $5BDEAE1D,
$9B64C2B0, $EC63F226, $756AA39C, $026D930A,
$9C0906A9, $EB0E363F, $72076785, $05005713,
$95BF4A82, $E2B87A14, $7BB12BAE, $0CB61B38,
$92D28E9B, $E5D5BE0D, $7CDCEFB7, $0BDBDF21,
$86D3D2D4, $F1D4E242, $68DDB3F8, $1FDA836E,
$81BE16CD, $F6B9265B, $6FB077E1, $18B74777,
$88085AE6, $FF0F6A70, $66063BCA, $11010B5C,
$8F659EFF, $F862AE69, $616BFFD3, $166CCF45,
$A00AE278, $D70DD2EE, $4E048354, $3903B3C2,
$A7672661, $D06016F7, $4969474D, $3E6E77DB,
$AED16A4A, $D9D65ADC, $40DF0B66, $37D83BF0,
$A9BCAE53, $DEBB9EC5, $47B2CF7F, $30B5FFE9,
$BDBDF21C, $CABAC28A, $53B39330, $24B4A3A6,
$BAD03605, $CDD70693, $54DE5729, $23D967BF,
$B3667A2E, $C4614AB8, $5D681B02, $2A6F2B94,
$B40BBE37, $C30C8EA1, $5A05DF1B, $2D02EF8D);
procedure UnSyncSafe(var Source; const SourceSize: Integer; var Dest: Cardinal);
procedure SyncSafe(Source: Cardinal; var Dest; const DestSize: Integer);
function Min(const B1, B2: Integer): Integer; inline;
function Max(const B1, B2: Integer): Integer; inline;
function ReverseBytes(Value: Cardinal): Cardinal; overload;
function Swap16(ASmallInt: SmallInt): SmallInt; register;
function RemoveUnsynchronisationScheme(Source, Dest: TStream; BytesToRead: Integer): Boolean;
function ApplyUnsynchronisationScheme(Source, Dest: TStream; BytesToRead: Integer): Boolean;
function RemoveUnsynchronisationOnStream(Stream: TMemoryStream): Boolean;
function ApplyUnsynchronisationOnStream(Stream: TMemoryStream): Boolean;
function ID3v2EncodeTime(DateTime: TDateTime): String;
function ID3v2DecodeTime(ID3v2DateTime: String): TDateTime;
function ID3v2DecodeTimeToNumbers(ID3v2DateTime: String; var Year, Month, Day, Hour, Minute, Second: Integer): Boolean;
function ValidID3v2FrameID(FrameID: TFrameID): Boolean;
function ValidID3v2FrameID2(FrameID: TFrameID): Boolean;
function LanguageIDtoString(LangageId : TLanguageID): String;
procedure AnsiStringToPAnsiChar(const Source: AnsiString; Dest: PAnsiChar; const MaxLength: Integer);
procedure StringToLanguageID(const Source: String; var Dest: TLanguageID);
function APICType2Str(PictureType: Integer): String;
function APICTypeStr2No(PictureType: String): Integer;
function ID3v2ValidTag(TagStream: TStream): Boolean;
function CheckRIFF(TagStream: TStream): Boolean;
function SeekRIFF(TagStream: TStream): Integer;
function CheckAIFF(TagStream: TStream): Boolean;
function SeekAIFF(TagStream: TStream): Integer;
function CheckRF64(TagStream: TStream): Boolean;
function SeekRF64(TagStream: TStream): Integer;
function ID3v2RemoveTag(FileName: String): Integer;
procedure CalcCRC32(P: Pointer; ByteCount: DWORD; var CRCValue: DWORD);
function CalculateStreamCRC32(Stream: TStream; var CRCvalue: DWORD): Boolean;
function RIFFCreateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PaddingToWrite: Integer): Integer;
function RIFFUpdateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PreviousTagSize: Integer; PaddingToWrite: Integer): Integer;
function AIFFCreateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PaddingToWrite: Integer): Integer;
function AIFFUpdateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PreviousTagSize: Integer; PaddingToWrite: Integer): Integer;
function RF64CreateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PaddingToWrite: Integer): Integer;
function RF64UpdateID3v2(FileName: String; TagStream: TStream; WriteTagTotalSize: Integer; PreviousTagSize: Integer; PaddingToWrite: Integer): Integer;
function WritePadding(var TagStream: TStream; PaddingSize: Integer): Integer;
function RemoveRIFFID3v2(FileName: String): Integer;
function RemoveAIFFID3v2(FileName: String): Integer;
function RemoveRF64ID3v2(FileName: String): Integer;
function ID3v2TagErrorCode2String(ErrorCode: Integer): String;
function MakeInt64(LowDWord, HiDWord: DWord): Int64;
function LowDWordOfInt64(Value: Int64): Cardinal;
function HighDWordOfInt64(Value: Int64): Cardinal;
function GetID3v2FrameType(FrameID: TFrameID): TID3v2FrameType;
var
ID3v2ID: TID3v2ID;
RIFFID: TRIFFID;
RF64ID: TRIFFID;
RIFFWAVEID: TRIFFChunkID;
RIFFID3v2ID: TRIFFChunkID;
AIFFID: TAIFFID;
AIFFChunkID: TAIFFChunkID;
AIFCChunkID: TAIFFChunkID;
AIFFID3v2ID: TAIFFChunkID;
implementation
Uses
SysUtils,
//Dialogs,
//ZLibEx,
// ZLib,
LConvEncoding;
function MakeInt64(LowDWord, HiDWord: DWord): Int64;
begin
Result := LowDWord OR (Int64(HiDWord) SHL 32);
end;
function LowDWordOfInt64(Value: Int64): Cardinal;
begin
Result := (Value SHL 32) SHR 32;
end;
function HighDWordOfInt64(Value: Int64): Cardinal;
begin
Result := Value SHR 32;
end;
Constructor TID3v2ExtendedHeader3.Create;
begin
inherited;
Flags := 0;
Size := 0;
//SizeData := TMemoryStream.Create;
Data := TMemoryStream.Create;
end;
Destructor TID3v2ExtendedHeader3.Destroy;
begin
//FreeAndNil(SizeData);
FreeAndNil(Data);
inherited;
end;
procedure TID3v2ExtendedHeader3.DecodeExtendedHeaderSize;
begin
UnSyncSafe(CodedSize, 4, Size);
end;
procedure TID3v2ExtendedHeader3.DecodeExtendedHeaderFlags;
var
Bit: Byte;
begin
Flags := Swap16(Flags);
Bit := Flags SHR 15;
CRCPresent := Boolean(Bit);
end;
Constructor TID3v2ExtendedHeader4.Create;
begin
inherited;
TagIsAnUpdate := False;
CRCPresent := False;
TagRestrictions := False;
TagRestrictionsData := NoMoreThan128FramesAnd1MBTotalTagSize;
TextEncodingRestrictions := NoTextEncodingRestrictions;
TextFieldsSizeRestriction := NoTextFieldsSizeRestrictions;
ImageEncodingRestriction := NoImageEncodingRestrictions;
ImageSizeRestriction := NoImageSizeRestrictions;
end;
Destructor TID3v2ExtendedHeader4.Destroy;
begin
inherited;
end;
procedure TID3v2ExtendedHeader4.DecodeExtendedHeaderSize;
begin
UnSyncSafe(CodedSize, 4, Size);
end;
procedure TID3v2ExtendedHeader4.DecodeExtendedHeaderFlags;
var
Bit: Byte;
begin
Bit := Flags SHL 1;
Bit := Bit SHR 7;
TagIsAnUpdate := Boolean(Bit);
Bit := Flags SHL 2;
Bit := Bit SHR 7;
CRCPresent := Boolean(Bit);
Bit := Flags SHL 3;
Bit := Bit SHR 7;
TagRestrictions := Boolean(Bit);
end;
procedure TID3v2ExtendedHeader4.CalculateExtendedFlagsDataSize;
begin
ExtendedFlagsDataSize := 0;
if TagIsAnUpdate then begin
//* No flag data
end;
if CRCPresent then begin
ExtendedFlagsDataSize := ExtendedFlagsDataSize + 5;
end;
if TagRestrictions then begin
ExtendedFlagsDataSize := ExtendedFlagsDataSize + 1;
end;
end;
procedure TID3v2ExtendedHeader4.DecodeExtendedHeaderFlagData;
begin
//* Not yet implemented
end;
Constructor TID3v2Frame.Create;
begin
Inherited;
ID := '';
Flags := 0;
TagAlterPreservation := False;
FileAlterPreservation := False;
ReadOnly := False;
Compressed := False;
Encrypted := False;
GroupingIdentity := False;
Unsynchronised := False;
DataLengthIndicator := False;
Stream := TMemoryStream.Create;
Unsynchronised := False;
DataLengthIndicatorValue := 0;
GroupIdentifier := 0;
EncryptionMethod := 0;
end;
Destructor TID3v2Frame.Destroy;
begin
ID := #0#0#0#0;
FreeAndNil(Stream);
Inherited;
end;
procedure TID3v2Frame.DecodeFlags3;
var
Bit: Word;
begin
Bit := Flags SHR 15;
TagAlterPreservation := Boolean(Bit);
Bit := Flags SHL 1;
Bit := Bit SHR 15;
FileAlterPreservation := Boolean(Bit);
Bit := Flags SHL 2;
Bit := Bit SHR 15;
ReadOnly := Boolean(Bit);
Bit := Flags SHL 8;
Bit := Bit SHR 15;
Compressed := Boolean(Bit);
Bit := Flags SHL 9;
Bit := Bit SHR 15;
Encrypted := Boolean(Bit);
Bit := Flags SHL 10;
Bit := Bit SHR 15;
GroupingIdentity := Boolean(Bit);
end;
procedure TID3v2Frame.EncodeFlags3;
var
EncodedFlags: Word;
Bit: Word;
begin
EncodedFlags := 0;
if TagAlterPreservation then begin
Bit := 1 SHL 7;
EncodedFlags := EncodedFlags OR Bit;
end;
if FileAlterPreservation then begin
Bit := 1 SHL 6;
EncodedFlags := EncodedFlags OR Bit;
end;
if ReadOnly then begin
Bit := 1 SHL 5;
EncodedFlags := EncodedFlags OR Bit;
end;
if Compressed then begin
Bit := 1 SHL 15;
EncodedFlags := EncodedFlags OR Bit;
end;
if Encrypted then begin
Bit := 1 SHL 14;
EncodedFlags := EncodedFlags OR Bit;
end;
if GroupingIdentity then begin
Bit := 1 SHL 13;
EncodedFlags := EncodedFlags OR Bit;
end;
Flags := EncodedFlags;
end;
procedure TID3v2Frame.DecodeFlags4;
var
Bit: Word;
begin
Bit := Flags SHR 14;
TagAlterPreservation := Boolean(Bit);
Bit := Flags SHL 1;
Bit := Bit SHR 14;
FileAlterPreservation := Boolean(Bit);
Bit := Flags SHL 2;
Bit := Bit SHR 14;
ReadOnly := Boolean(Bit);
Bit := Flags SHL 9;
Bit := Bit SHR 15;
GroupingIdentity := Boolean(Bit);
Bit := Flags SHL 12;
Bit := Bit SHR 15;
Compressed := Boolean(Bit);
Bit := Flags SHL 13;
Bit := Bit SHR 15;
Encrypted := Boolean(Bit);
Bit := Flags SHL 14;
Bit := Bit SHR 15;
Unsynchronised := Unsynchronised OR Boolean(Bit);
Bit := Flags SHL 15;
Bit := Bit SHR 15;
DataLengthIndicator := Boolean(Bit);
end;
procedure TID3v2Frame.EncodeFlags4;
var
EncodedFlags: Word;
Bit: Word;
begin
EncodedFlags := 0;
if TagAlterPreservation then begin
Bit := 1 SHL 14;
EncodedFlags := EncodedFlags OR Bit;
end;
if FileAlterPreservation then begin
Bit := 1 SHL 13;
EncodedFlags := EncodedFlags OR Bit;
end;
if ReadOnly then begin
Bit := 1 SHL 12;
EncodedFlags := EncodedFlags OR Bit;
end;
if GroupingIdentity then begin
Bit := 1 SHL 6;
EncodedFlags := EncodedFlags OR Bit;
end;
if Compressed then begin
Bit := 1 SHL 3;
EncodedFlags := EncodedFlags OR Bit;
end;
if Encrypted then begin
Bit := 1 SHL 2;
EncodedFlags := EncodedFlags OR Bit;
end;
if Unsynchronised then begin
Bit := 1 SHL 1;
EncodedFlags := EncodedFlags OR Bit;
end;
if DataLengthIndicator then begin
Bit := 1;
EncodedFlags := EncodedFlags OR Bit;
end;
Flags := EncodedFlags;
end;
function TID3v2Frame.Compress: Boolean;
{
var
CompressionStream: TZCompressionStream;
CompressedStream: TStream;
UnCompressedSize: DWord;
SyncSafeSize: DWord;
}
begin
Result := False;
{
if Stream.Size = 0 then begin
Exit;
end;
CompressionStream := nil;
CompressedStream := nil;
try
try
CompressedStream := TMemoryStream.Create;
CompressionStream := TZCompressionStream.Create(CompressedStream, zcMax);
Stream.Seek(0, soBeginning);
CompressionStream.CopyFrom(Stream, Stream.Size);
//* Needed to flush the buffer
FreeAndNil(CompressionStream);
if CompressedStream.Size > 0 then begin
UnCompressedSize := Stream.Size;
SyncSafe(UnCompressedSize, SyncSafeSize, 4);
Stream.Clear;
//Stream.Write(SyncSafeSize, 4);
DataLengthIndicatorValue := SyncSafeSize;
CompressedStream.Seek(0, soBeginning);
Stream.CopyFrom(CompressedStream, CompressedStream.Size);
Compressed := True;
DataLengthIndicator := True;
Result := True;
end;
except
//*
end;
finally
if Assigned(CompressionStream) then begin
FreeAndNil(CompressionStream);
end;
if Assigned(CompressedStream) then begin
FreeAndNil(CompressedStream);
end;
end;
}
end;
function TID3v2Frame.DeCompress: Boolean;
{
var
DeCompressionStream: TZDeCompressionStream;
UnCompressedStream: TMemoryStream;
}
begin
Result := False;
{
if Stream.Size <= 4 then begin
Exit;
end;
DeCompressionStream := nil;
UnCompressedStream := nil;
try
try
UnCompressedStream := TMemoryStream.Create;
Stream.Seek(0, soBeginning);
DeCompressionStream := TZDeCompressionStream.Create(Stream);
DeCompressionStream.Seek(0, soBeginning);
UnCompressedStream.CopyFrom(DeCompressionStream, 0);
Stream.Clear;
Stream.CopyFrom(UnCompressedStream, 0);
Stream.Seek(0, soBeginning);
Compressed := False;
DataLengthIndicator := False;
Result := True;
except
//*
end;
finally
if Assigned(DeCompressionStream) then begin
FreeAndNil(DeCompressionStream);
end;
if Assigned(UnCompressedStream) then begin
FreeAndNil(UnCompressedStream);
end;
end;
}
end;
function TID3v2Frame.RemoveUnsynchronisation: Boolean;
begin
Result := RemoveUnsynchronisationOnStream(Stream);
if Result then begin
Unsynchronised := False;
end;
end;
function TID3v2Frame.ApplyUnsynchronisation: Boolean;
begin
Result := ApplyUnsynchronisationOnStream(Stream);
if Result then begin
Unsynchronised := True;
end;
end;
function TID3v2Frame.Assign(ID3v2Frame: TID3v2Frame): Boolean;
begin
Result := False;
Clear;
if ID3v2Frame <> nil then begin
ID := ID3v2Frame.ID;
Size := ID3v2Frame.Size;
Flags := ID3v2Frame.Flags;
TagAlterPreservation := ID3v2Frame.TagAlterPreservation;
FileAlterPreservation := ID3v2Frame.FileAlterPreservation;
ReadOnly := ID3v2Frame.ReadOnly;
Compressed := ID3v2Frame.Compressed;
Encrypted := ID3v2Frame.Encrypted;
GroupingIdentity := ID3v2Frame.GroupingIdentity;
Unsynchronised := ID3v2Frame.Unsynchronised;
DataLengthIndicator := ID3v2Frame.DataLengthIndicator;
GroupIdentifier := ID3v2Frame.GroupIdentifier;
EncryptionMethod := ID3v2Frame.EncryptionMethod;
ID3v2Frame.Stream.Seek(0, soBeginning);
Stream.CopyFrom(ID3v2Frame.Stream, ID3v2Frame.Stream.Size);
ID3v2Frame.Stream.Seek(0, soBeginning);
end;
end;
procedure TID3v2Frame.Clear;
begin
ID := '';
Size := 0;
Flags := 0;
TagAlterPreservation := False;
FileAlterPreservation := False;
ReadOnly := False;
Compressed := False;
Encrypted := False;
GroupingIdentity := False;
Unsynchronised := False;
DataLengthIndicator := False;
GroupIdentifier := 0;
EncryptionMethod := 0;
Stream.Clear;
end;
Constructor TID3v2Tag.Create;
begin
Inherited;
ExtendedHeader3 := TID3v2ExtendedHeader3.Create;
ExtendedHeader4 := TID3v2ExtendedHeader4.Create;
Clear;
end;
Destructor TID3v2Tag.Destroy;
begin
Clear;
FreeAndNil(ExtendedHeader3);
FreeAndNil(ExtendedHeader4);
Inherited;
end;
procedure TID3v2Tag.DeleteAllFrames;
var
i: Integer;
begin
for i := 0 to Length(Frames) - 1 do begin
FreeAndNil(Frames[i]);
end;
SetLength(Frames, 0);
FrameCount := 0;
end;
function TID3v2Tag.LoadFromStream(TagStream: TStream): Integer;
var
ValidFrameLoaded: Boolean;
PreviousPosition: Int64;
begin
Result := ID3V2LIBRARY_ERROR;
Loaded := False;
Clear;
PreviousPosition := TagStream.Position;
if NOT ID3v2ValidTag(TagStream) then begin
TagStream.Seek(PreviousPosition, soBeginning);
//* WAV
if CheckRIFF(TagStream) then begin
if SeekRIFF(TagStream) = 0 then begin
Result := ID3V2LIBRARY_ERROR_NO_TAG_FOUND;
Exit;
end;
end else begin
//* WAV64
TagStream.Seek(PreviousPosition, soBeginning);
if CheckRF64(TagStream) then begin
if SeekRF64(TagStream) = 0 then begin
Result := ID3V2LIBRARY_ERROR_NO_TAG_FOUND;
Exit;
end;
end else begin
//* AIFF
TagStream.Seek(PreviousPosition, soBeginning);