521 lines
24 KiB
C++
521 lines
24 KiB
C++
// The authors have released ID3Lib as Public Domain (PD) and claim no copyright,
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// patent or other intellectual property protection in this work. This means that
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// it may be modified, redistributed and used in commercial and non-commercial
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// software and hardware without restrictions. ID3Lib is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
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//
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// The ID3Lib authors encourage improvements and optimisations to be sent to the
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// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved
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// submissions may be altered, and will be included and released under these terms.
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//
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// Mon Nov 23 18:34:01 1998
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// improved/optimized/whatever 10/30/00 JF
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#include <windows.h>
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#include <string.h>
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#include "id3_field.h"
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static ID3_FieldDef ID3FD_URL[] =
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{
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{ID3FN_URL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD},
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_UserURL[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_URL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Text[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_UserText[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_GeneralText[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_LANGUAGE, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Picture[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_IMAGEFORMAT, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_LOWER, NULL, ID3FN_NOFIELD },
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{ID3FN_MIMETYPE, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_PICTURETYPE, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_GEO[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_MIMETYPE, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_FILENAME, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_UFI[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_PRIVATE[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_PlayCounter[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_COUNTER, ID3FTY_INTEGER, 4, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Popularimeter[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_EMAIL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_RATING, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_COUNTER, ID3FTY_INTEGER, 4, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Registration[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD },
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{ID3FN_SYMBOL, ID3FTY_INTEGER, 1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_InvolvedPeople[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_NULLDIVIDE | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Volume[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_VOLUMEADJ, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NUMBITS, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_VOLCHGRIGHT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS },
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{ID3FN_VOLCHGLEFT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS },
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{ID3FN_PEAKVOLRIGHT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS },
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{ID3FN_PEAKVOLLEFT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_MCDI[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_CD_TOC, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD},
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Text_v2_4[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 4, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 4, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Timestamp1[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TIMESTAMP, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FieldDef ID3FD_Timestamp2[] =
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{
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// FIELD FIELD FIXED RENDER IF OR
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// NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD
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{ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_LANGUAGE, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_TIMESTAMP, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_CONTENTTYPE, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD },
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{ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD },
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{ID3FN_NOFIELD }
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};
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static ID3_FrameDef ID3_FrameDefs[] =
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{
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//FRAME ID SHORTID LONGID PRI TAGDISCARD FILEDISCARD HANDLER FIELDDEFS
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{ID3FID_ENCODEDBY, "TEN", "TENC", false, true, NULL, ID3FD_Text },
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{ID3FID_ORIGALBUM, "TOT", "TOAL", false, false, NULL, ID3FD_Text },
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{ID3FID_PUBLISHER, "TPB", "TPUB", false, false, NULL, ID3FD_Text },
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{ID3FID_ENCODERSETTINGS, "TSS", "TSSE", false, false, NULL, ID3FD_Text },
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{ID3FID_ORIGFILENAME, "TOF", "TOFN", false, false, NULL, ID3FD_Text },
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{ID3FID_LANGUAGE, "TLA", "TLAN", false, false, NULL, ID3FD_Text },
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{ID3FID_PARTINSET, "TPA", "TPOS", false, false, NULL, ID3FD_Text },
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{ID3FID_DATE, "TDA", "TDAT", false, false, NULL, ID3FD_Text },
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{ID3FID_TIME, "TIM", "TIME", false, false, NULL, ID3FD_Text },
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{ID3FID_RECORDINGDATES, "TRD", "TRDA", false, false, NULL, ID3FD_Text },
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{ID3FID_MEDIATYPE, "TMT", "TMED", false, false, NULL, ID3FD_Text },
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{ID3FID_FILETYPE, "TFT", "TFLT", false, false, NULL, ID3FD_Text },
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{ID3FID_NETRADIOSTATION, "TRN", "TRSN", false, false, NULL, ID3FD_Text },
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{ID3FID_NETRADIOOWNER, "TRO", "TRSO", false, false, NULL, ID3FD_Text },
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{ID3FID_LYRICIST, "TXT", "TEXT", false, false, NULL, ID3FD_Text },
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{ID3FID_ORIGARTIST, "TOA", "TOPE", false, false, NULL, ID3FD_Text },
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{ID3FID_ORIGLYRICIST, "TOL", "TOLY", false, false, NULL, ID3FD_Text },
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{ID3FID_CONTENTGROUP, "TT1", "TIT1", false, false, NULL, ID3FD_Text },
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{ID3FID_TITLE, "TT2", "TIT2", false, false, NULL, ID3FD_Text },
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{ID3FID_SUBTITLE, "TT3", "TIT3", false, false, NULL, ID3FD_Text },
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{ID3FID_LEADARTIST, "TP1", "TPE1", false, false, NULL, ID3FD_Text },
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{ID3FID_BAND, "TP2", "TPE2", false, false, NULL, ID3FD_Text },
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{ID3FID_CONDUCTOR, "TP3", "TPE3", false, false, NULL, ID3FD_Text },
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{ID3FID_MIXARTIST, "TP4", "TPE4", false, false, NULL, ID3FD_Text },
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{ID3FID_ALBUM, "TAL", "TALB", false, false, NULL, ID3FD_Text },
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{ID3FID_YEAR, "TYE", "TYER", false, false, NULL, ID3FD_Text },
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{ID3FID_COMPOSER, "TCM", "TCOM", false, false, NULL, ID3FD_Text },
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{ID3FID_COPYRIGHT, "TCR", "TCOP", false, false, NULL, ID3FD_Text },
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{ID3FID_PRODUCEDNOTICE, " ", "TPRO", false, false, NULL, ID3FD_Text },
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{ID3FID_CONTENTTYPE, "TCO", "TCON", false, false, NULL, ID3FD_Text },
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{ID3FID_TRACKNUM, "TRK", "TRCK", false, false, NULL, ID3FD_Text },
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{ID3FID_USERTEXT, "TXX", "TXXX", false, false, NULL, ID3FD_UserText },
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{ID3FID_COMMENT, "COM", "COMM", false, false, NULL, ID3FD_GeneralText },
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{ID3FID_TERMSOFUSE, " ", "USER", false, false, NULL, ID3FD_GeneralText },
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{ID3FID_UNSYNCEDLYRICS, "ULT", "USLT", false, false, NULL, ID3FD_GeneralText },
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{ID3FID_SYNCEDLYRICS, "SLT", "SYLT", false, false, NULL, ID3FD_Timestamp2 },
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{ID3FID_SYNCEDTEMPOCODE, "STC", "SYTC", false, false, NULL, ID3FD_Timestamp1 },
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// URL Frames
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{ID3FID_WWWAUDIOFILE, "WAF", "WOAF", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWARTIST, "WAR", "WOAR", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWAUDIOSOURCE, "WAS", "WOAS", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWCOMMERCIALINFO, "WCM", "WCOM", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWCOPYRIGHT, "WCP", "WCOP", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWPUBLISHER, "WPB", "WPUB", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWPAYMENT, "WPY", "WPAY", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWRADIOPAGE, "WRA", "WORS", false, false, NULL, ID3FD_URL },
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{ID3FID_WWWUSER, "WXX", "WXXX", false, false, NULL, ID3FD_UserURL },
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// misc frames
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{ID3FID_INVOLVEDPEOPLE, "IPL", "IPLS", false, false, NULL, ID3FD_InvolvedPeople },
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{ID3FID_PICTURE, "PIC", "APIC", false, false, NULL, ID3FD_Picture },
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{ID3FID_GENERALOBJECT, "GEO", "GEOB", false, false, NULL, ID3FD_GEO },
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{ID3FID_UNIQUEFILEID, "UFI", "UFID", false, false, NULL, ID3FD_UFI },
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{ID3FID_PRIVATE, " ", "PRIV", false, false, NULL, ID3FD_PRIVATE },
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{ID3FID_PLAYCOUNTER, "CNT", "PCNT", false, false, NULL, ID3FD_PlayCounter },
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{ID3FID_POPULARIMETER, "POP", "POPM", false, false, NULL, ID3FD_Popularimeter },
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{ID3FID_CRYPTOREG, " ", "ENCR", false, false, NULL, ID3FD_Registration },
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{ID3FID_GROUPINGREG, " ", "GRID", false, false, NULL, ID3FD_Registration },
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{ID3FID_SIGNATURE, " ", "SIGN", false, false, NULL, ID3FD_Registration },
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{ID3FID_MCDI, "MCI", "MCDI", false, false, NULL, ID3FD_MCDI},
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{ID3FID_BPM, "TBP", "TBPM", false, false, NULL, ID3FD_Text},
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{ID3FID_KEY, "TKE", "TKEY", false, false, NULL, ID3FD_Text},
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{ID3FID_MOOD, " ", "TMOO", false, false, NULL, ID3FD_Text},
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{ID3FID_ISRC, "TRC", "TSRC", false, false, NULL, ID3FD_Text},
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{ID3FID_RECORDINGTIME, " ", "TDRC", false, false, NULL, ID3FD_Text},
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{ID3FID_COMPILATION, "TCP", "TCMP", false, false, NULL, ID3FD_Text},
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{ID3FID_ALBUMSORT, "TSA", "TSOA", false, false, NULL, ID3FD_Text},
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{ID3FID_ALBUMARTISTSORT, "TS2", "TSO2", false, false, NULL, ID3FD_Text},
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{ID3FID_PERFORMERSORT, "TSP", "TSOP", false, false, NULL, ID3FD_Text},
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{ID3FID_COMPOSERSORT, "TSC", "TSOC", false, false, NULL, ID3FD_Text},
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{ID3FID_TITLESORT, "TST", "TSOT", false, false, NULL, ID3FD_Text},
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{ID3FID_REPLAYGAIN, " ", "RGAD", false, false, NULL, ID3FD_UserText },
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{ID3FID_VOLUMEADJ, "RVA", "RVAD", false, false, NULL, ID3FD_Volume },
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{ID3FID_INVOLVEDPEOPLE2, " ", "TIPL", false, false, NULL, ID3FD_InvolvedPeople },
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{ID3FID_CREDITS, " ", "TMCL", false, false, NULL, ID3FD_InvolvedPeople },
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{ID3FID_ENCODINGTIME, " ", "TDEN", false, false, NULL, ID3FD_Text },
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{ID3FID_FILEOWNER, " ", "TOWN", false, false, NULL, ID3FD_Text },
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{ID3FID_LENGTH, "TLE", "TLEN", false, false, NULL, ID3FD_Text },
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{ID3FID_ORIGYEAR, "TOR", "TORY", false, false, NULL, ID3FD_Text },
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{ID3FID_ORIGRELEASETIME, " ", "TDOR", false, false, NULL, ID3FD_Text },
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{ID3FID_RELEASETIME, " ", "TDRL", false, false, NULL, ID3FD_Text },
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{ID3FID_SETSUBTITLE, " ", "TSST", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_TAGGINGTIME, " ", "TDTG", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PLAYLISTDELAY, "TDY", "TDLY", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PODCAST, " ", "PCST", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PODCASTCATEGORY, " ", "TCAT", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PODCASTDESC, " ", "TDES", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PODCASTID, " ", "TGID", false, false, NULL, ID3FD_Text },
|
|
{ID3FID_PODCASTURL, " ", "WFED", false, false, NULL, ID3FD_URL },
|
|
{ID3FID_NOFRAME }
|
|
};
|
|
|
|
ID3_Field::ID3_Field(void)
|
|
{
|
|
name = ID3FN_NOFIELD;
|
|
type = ID3FTY_INTEGER;
|
|
data = 0;
|
|
size = 0;
|
|
flags = 0;
|
|
//SetVersion(3,0);
|
|
version = 3;
|
|
revision = 0;
|
|
fixedLength = -1;
|
|
ioVersion = 3;
|
|
ioRevision = 0;
|
|
control = ID3VC_HIGHER;
|
|
|
|
Clear();
|
|
}
|
|
|
|
ID3_Field::~ID3_Field(void)
|
|
{
|
|
Clear();
|
|
}
|
|
|
|
void ID3_Field::Clear(void)
|
|
{
|
|
if (data && type != ID3FTY_INTEGER) free(data);
|
|
|
|
type = ID3FTY_INTEGER;
|
|
data = 0;
|
|
size = sizeof (luint);
|
|
hasChanged = true;
|
|
|
|
return;
|
|
}
|
|
|
|
void ID3_Field::SetVersion (uchar ver, uchar rev)
|
|
{
|
|
if (version != ver || revision != rev) hasChanged = true;
|
|
|
|
version = ver;
|
|
revision = rev;
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
bool ID3_Field::HasChanged (void)
|
|
{
|
|
return hasChanged;
|
|
}
|
|
|
|
|
|
luint ID3_Field::Size(void)
|
|
{
|
|
return BinSize (false);
|
|
}
|
|
|
|
|
|
luint ID3_Field::BinSize(bool withExtras)
|
|
{
|
|
luint bytes = 0;
|
|
|
|
if (control == ID3VC_HIGHER)
|
|
{
|
|
if (version < ioVersion || revision < ioRevision)
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
if (version > ioVersion || revision > ioRevision)
|
|
return 0;
|
|
}
|
|
|
|
bytes = size;
|
|
|
|
if (withExtras)
|
|
{
|
|
if (!data && size)
|
|
{
|
|
if (flags & ID3FF_NULL)
|
|
bytes = 2;
|
|
else
|
|
bytes = 0;
|
|
}
|
|
|
|
// if we are a Unicode string, add 2 bytes for the BOM (but
|
|
// only if there is a string to render - regardless of NULL)
|
|
if (type == ID3FTY_UNICODESTRING && data && size) bytes += 2;
|
|
|
|
// if we are an ASCII string, divide by sizeof (wchar_t)
|
|
// because internally we store the string as Unicode, so
|
|
// the ASCII version will only be half as long
|
|
if (type == ID3FTY_UTF8STRING)
|
|
{
|
|
if (data && size)
|
|
bytes = WideCharToMultiByte(CP_UTF8, 0, (const wchar_t *)data, (int)(size/sizeof(wchar_t)), 0, 0, 0, 0);
|
|
else
|
|
bytes /= sizeof(wchar_t);
|
|
}
|
|
|
|
if (type == ID3FTY_ASCIISTRING)
|
|
{
|
|
// TODO: this statement isn't correct (especially for double byte)
|
|
// we could use WideCharToMultiByte to determine an exact byte count
|
|
bytes /= sizeof (wchar_t);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// because it seems that the application called us via ID3_Field::Size()
|
|
// we are going to return the number of characters, not bytes, so if
|
|
// the string is Unicode, we will half the 'bytes' variable because
|
|
// Unicode strings have twice as many bytes as they do characters
|
|
if (type == ID3FTY_UNICODESTRING)
|
|
bytes /= sizeof(wchar_t);
|
|
}
|
|
|
|
// check to see if we are within the legal limit for this field
|
|
// -1 means arbitrary length field
|
|
if (fixedLength != -1)
|
|
bytes = fixedLength;
|
|
|
|
return bytes;
|
|
}
|
|
|
|
|
|
luint ID3_Field::Parse(uchar *buffer, luint posn, luint buffSize)
|
|
{
|
|
if (control == ID3VC_HIGHER)
|
|
{
|
|
if (version < ioVersion || revision < ioRevision)
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
if (version > ioVersion || revision > ioRevision)
|
|
return 0;
|
|
}
|
|
|
|
switch(type)
|
|
{
|
|
case ID3FTY_INTEGER:
|
|
return ParseInteger(buffer, posn, buffSize);
|
|
case ID3FTY_BINARY:
|
|
return ParseBinary(buffer, posn, buffSize);
|
|
case ID3FTY_ASCIISTRING:
|
|
return ParseASCIIString(buffer, posn, buffSize);
|
|
case ID3FTY_UNICODESTRING:
|
|
return ParseUnicodeString(buffer, posn, buffSize);
|
|
case ID3FTY_UTF8STRING:
|
|
return ParseUTF8String(buffer, posn, buffSize);
|
|
default:
|
|
//ID3_THROW (ID3E_UnknownFieldType);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
ID3_FrameDef *ID3_FindFrameDef(ID3_FrameID id)
|
|
{
|
|
luint cur = 0;
|
|
while (1)
|
|
{
|
|
if (ID3_FrameDefs[cur].id == id)
|
|
return &ID3_FrameDefs[cur];
|
|
if (ID3_FrameDefs[cur].id == ID3FID_NOFRAME)
|
|
return NULL;
|
|
cur++;
|
|
}
|
|
}
|
|
|
|
ID3_FrameID ID3_FindFrameID(const char *id)
|
|
{
|
|
luint cur = 0;
|
|
while (1)
|
|
{
|
|
if (ID3_FrameDefs[cur].id == ID3FID_NOFRAME)
|
|
return ID3FID_NOFRAME;
|
|
if (((strncmp(ID3_FrameDefs[cur].shortTextID, id, 3) == 0) && strlen (id) == 3)
|
|
|| ((strncmp(ID3_FrameDefs[cur].longTextID, id, 4) == 0) && strlen (id) == 4))
|
|
return ID3_FrameDefs[cur].id;
|
|
cur++;
|
|
}
|
|
}
|
|
|
|
luint ID3_Field::Render(uchar *buffer)
|
|
{
|
|
if (control == ID3VC_HIGHER)
|
|
{
|
|
if (version < ioVersion || revision < ioRevision)
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
if (version > ioVersion || revision > ioRevision)
|
|
return 0;
|
|
}
|
|
|
|
switch(type)
|
|
{
|
|
case ID3FTY_INTEGER:
|
|
return RenderInteger(buffer);
|
|
case ID3FTY_BINARY:
|
|
return RenderBinary(buffer);
|
|
case ID3FTY_ASCIISTRING:
|
|
return RenderLatinString(buffer);
|
|
case ID3FTY_UNICODESTRING:
|
|
return RenderUnicodeString(buffer);
|
|
case ID3FTY_UTF8STRING:
|
|
return RenderUTF8String(buffer);
|
|
default:
|
|
// ID3_THROW (ID3E_UnknownFieldType);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|