[Flac-dev] ogg-flac?

[Josh Coalson]

wow, this is pretty cool, but I may not get to play with it for
a little while.  trying to have 0.9 out this weekend.  but this
is a good proof of concept.  do you have any numbers as to how
much the file size increases on average?

Josh

--- Matt Zimmerman <mdz at debian.org> wrote:
> On Mon, Mar 26, 2001 at 11:34:04AM -0800, Josh Coalson wrote:
> 
> > --- "smoerk at gmx.de" <smoerk at gmx.de> wrote:
> > > hi,
> > > 
> > > would it be possible to use ogg as container for flac? so you
> could use all
> > > the features of the ogg format.
> > >
> > A long time back I looked into that but couldn't find a detailed
> enough spec.
> > I plan on taking a look again when I get a chance.
> > 
> > Monty has plans to revive Squish but he's a busy guy and may not
> get around
> > to it for a while.  Also, almost all codecs I tested beat Squish
> '98 so the
> > bar is a little higher nowadays.
> > 
> > If FLAC fits into Ogg and the Ogg group is willing, I'm all for it.
> 
> As a sort of proof of concept (and an excuse to mess around with Ogg
> a little),
> I hacked up the command-line encoder/decoder to output a FLAC stream
> inside an
> Ogg bitstream.  Notes:
> 
> - I had to disable the metadata callback, because it would seek back
> and
>   overwrite the (correct) stream that had already been written. 
> Don't ask me
>   how much time I spent debugging before I discovered this.  It's not
> clear to
>   me whether there is a way to make this work without seekable
> output.
> 
> - The Ogg library's memory allocation model isn't entirely clear to
> me yet.
>   This code may leak memory like a sieve.  Since if this were ever
> implemented
>   for real, it would be in the library and not in this code, I don't
> consider
>   this worth messing with.
> 
> - Using this code, I was able to successfully encode and decode (I
> tried with
>   several different packet sizes) exactly one test file, which is all
> I tried.
> 
> That said, attached is a patch (apply from inside src/flac).
>[patch snipped]


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