[flac-dev] [PATCH] for flac/decode.c

Richard Ash richard at audacityteam.org
Sun Dec 14 15:20:36 PST 2014

On Sun, 14 Dec 2014 21:02:12 +0300
lvqcl <lvqcl.mail at gmail.com> wrote:

> Richard Ash wrote:
> > As someone who get this warning quite a lot when encoding (because
> > the .wav files come from a closed hardware recorder which isn't
> > going to get a firmware update), I don't mind too much which header
> > gets written (because the wav file will be read with libsndfile),
> > but I would mind if it meant that --verify when encoding didn't
> > work for these files (I have no idea at what point the verification
> > is done, but changing this does mean that the decoded file header
> > will be different to the original input file, which might be the
> > reason it's the way it is).
> Currently the header of a decoded WAV file can be different to the
> original WAV file because FLAC doesn't preserve 'fmt ' chunk.
> For example: create a 24-bit stereo .wav file with
> WAVEFORMATEXTENSIBLE header with channel mask == 3. Encode it
> to .flac then decode back to .wav. FLAC creates a 24-bit stereo .wav
> file with WAVEFORMATEX header.

That makes sense, thanks!


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