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errors adding Replay Gain metadata to flac files
geezerj
post Oct 6 2012, 17:38
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I was recently trying to add replay gain metadata to about 12,000 flac files. The files were all ripped by me using CD-DA Extractor. About half the files completed the replay gain scan successfully, but 6500 tracks failed the scan with the message "could not instantiate R128 object". could someone point me to where this error message is documented, or interpret it? thanks.
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Peter
post Oct 12 2012, 07:27
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I think I'll add a special notice when you try to scan a suspiciously large group of tracks as a single album, this is way too easy to mistrigger by wrong click or alike.

PS I've seen this bug reported before so you're not the first person to do this.
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geezerj
post Oct 15 2012, 19:19
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QUOTE (Peter @ Oct 11 2012, 23:27) *
I think I'll add a special notice when you try to scan a suspiciously large group of tracks as a single album, this is way too easy to mistrigger by wrong click or alike.

PS I've seen this bug reported before so you're not the first person to do this.

*******************************
one final note. while my creds may be limited after attempting to scan as a single album, I think the impact of running short on resources may be somewhat serious. Here are the steps I took:
1. load 12,000 .flac files into foobar and attempt to scan as a single album
2. resources run out halfway through. I removed the replay gain tag information, again using foobar (did all 12,000 as a precaution)
3. load files back in, and scan on a per-track basis. foobar reports success
4. write updated tags with replay gain information. foobar reports success

after this sequence, I found **none of my flac files were playable**. I tried using foobar, xmms, sonos - all reported ill-formed flac files. mp3tag could not read the tags.
I keep good backups so I used rsync to restore all the flacs, no harm done. In retrospect, I should have done some test cases before operating on a large repository (duh).

after the restore, I repeated the per-track scan of the flac files with foobar, and updated the tags with the replay gain information. (needless to say, this time I proceeded incrementally, with mucho checking of tag contents and playability...) All the files are fine, and the tags read properly, including the replay gain info in the extended tags. Thus I conclude the files were left in a corrupted state after step 2. above. I apologize that I did not keep one of the un-playable flacs for analysis: at the time, I was focused on recovering my music....

This post has been edited by geezerj: Oct 15 2012, 19:21
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