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Topic: Error when embedding EAC extraction log in flac file using metaflac (Read 5318 times) previous topic - next topic
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Error when embedding EAC extraction log in flac file using metaflac

Hi. I just ripped an extremely old CD into a single file FLAC image + CUE sheet. When I try to embed the EAC extraction log file into the image, I get the following error:

Code: [Select]
C:\Users\Me\Desktop>metaflac.exe --set-tag-from-file="eaclog=1.log" 1.flac
1.flac: ERROR: file '1.log' for 'eaclog' tag value has embedded NULs


I am able to embed other files such as the CUE sheet into the 'cuesheet' block using the same command without any problems.

I have seen REACT2 embed EAC log files into the 'eaclog' block without any problems before, so I don't understand why this operation fails when executed separately on the command line.

For the record, I use Windows 7 64-bit and I am logged in as the administrator.

Please help me embed the file into the said metadata block.

Error when embedding EAC extraction log in flac file using metaflac

Reply #1 –
Silly me!! I just used FB2K to embed the metadata.

Wonder why I didn't think of it earlier 

Error when embedding EAC extraction log in flac file using metaflac

Reply #2 –
Still, I wonder why the log had a NUL in it?

Error when embedding EAC extraction log in flac file using metaflac

Reply #4 –
Oh, so metaflac doesn’t support Unicode; thanks for the explanation.

Error when embedding EAC extraction log in flac file using metaflac

Reply #5 –
metaflac apparently supports Unicode. metaflac uses UTF-8 for tagging;
UTF-8 is one of Unicode byte representations, which is ASCII compatible and far more preferable than UTF-16LE as a text encoding.
It's just that metaflac doesn't support UTF-16LE as external text encoding by any means.

metaflac assumes locale charset (or codepage in Windows) as external text encoding (command line args, and text files) by default.
When --no-utf8-convert option is specified, it assumes UTF-8 is used, and doesn't do any character encoding conversion.
However, no UTF-16LE.

So, in this case, the following will work:
  • Convert UTF-16LE encoded EAC log to UTF-8 (notepad can be used in Windows).
  • Then, pass metaflac the UTF-8 encoded log with --no-utf8-convert specified.

Error when embedding EAC extraction log in flac file using metaflac

Reply #6 –
Quote from: nu774 on
metaflac apparently supports Unicode. metaflac uses UTF-8 for tagging;
UTF-8 is one of Unicode byte representations, which is ASCII compatible and far more preferable than UTF-16LE as a text encoding.
It's just that metaflac doesn't support UTF-16LE as external text encoding by any means.

metaflac assumes locale charset (or codepage in Windows) as external text encoding (command line args, and text files) by default.
When --no-utf8-convert option is specified, it assumes UTF-8 is used, and doesn't do any character encoding conversion.
However, no UTF-16LE.

So, in this case, the following will work:
  • Convert UTF-16LE encoded EAC log to UTF-8 (notepad can be used in Windows).
  • Then, pass metaflac the UTF-8 encoded log with --no-utf8-convert specified.


I tried --no-utf8-convert with --set-tag=FIELD and doesn't work. How can Unicode tags be set with metaflac?

Error when embedding EAC extraction log in flac file using metaflac

Reply #7 –
^ Got it to work by using --set-tag-from-file=FIELD