[Flac-dev] Problems when using libFLAC to encode 24 bit content

[Josh Coalson]

--- Justin Frankel <justin at blorp.com> wrote:
> Hi everybody,
> 
> We have FLAC supported for input/output in REAPER
> (http://www.reaper.fm), and the problem is that
> when writing 24 bit FLAC files, the data isn't compressed (i.e. the
> FLAC is slightly larger than
> if it was writing to .WAV). The files play back fine, however, and 16
> bit mode works great.
> 
> We're using flac-1.1.2, built on win32 with MSVC6 w/ SP5 + VCPP, and
> NASM version 0.98.39

hmm... on the encoding side there are quite a few things that could
affect that, so first I'll ask:

- are you calling the flac binary or calling into libFLAC?
  - if flac, what is the command-line string?
  - if libFLAC, can you post the calls you are using to set up
    the encoder before initialization?
- if you do 'flac -a some24bitfile.flac' that you made, are most/all
of the subframe types VERBATIM?

Josh


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