[FFmpeg-trac] #10423(ffmpeg:new): ID3v2 compilation Tag on MP3 gets lost

[FFmpeg]

#10423: ID3v2 compilation Tag on MP3 gets lost
-------------------------------------+-------------------------------------
             Reporter:  Sigi         |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  git-
             Keywords:  ID3v2        |  master
  compilation Tag MP3                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I am using ffmpeg just to edit ID3v2 tags of MP3 files on Win10.
 During conversion the TCMP tag is lost.
 The parameter -metadata compilation="1" doesn't work / fix this.
 You can verify this bug by opening the TestNew.mp3 with any TAG-Editor.

 E:\>ffmpeg.exe -i E:\Test.mp3 -c copy TestNew.mp3

 Input #0, mp3, from 'E:\Test.mp3':
   Metadata:
     album_artist    : Various Artists
     album           : Test-Album
     artist          : Test-Artist
     comment         :
     title           : Test-Title
     compilation     : 1
     date            : 2020
 ...
 Output #0, mp3, to 'TestNew.mp3':
     TPE2            : Various Artists
     TALB            : Test-Album
     TPE1            : Test-Artist
     comment         :
     TIT2            : Test-Title
     TDRC            : 2020
     TCMP            : 1
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10423>
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