[ogg-dev] Fixing ogg vorbis corruption caused by bad metadata

Adam Rosi-Kessel adam at rosi-kessel.org
Thu Jun 25 12:52:57 PDT 2009

Can I fix the checksum with a hex editor?

Sent from my iPhone

On Jun 25, 2009, at 3:23 PM, Monty Montgomery <monty at xiph.org> wrote:

> Confirmed--- the checksum on the second page (the comment page where
> the album art was added) is incorrect.  Vorbis players are not allowed
> to decode any stream in which one of the setup headers is corrupt, and
> a bad checksum counts as corrupt.
> Unfortunately, this means none of the remuxing ogg tools in our
> toolchains will touch those pages either; they will remux and fix most
> problems with valid pages, but a bad checksum usually means the page
> is toast, so they won't try.
> Monty

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