[FFmpeg-devel] [PATCH 1/2] avcodec/alacdec: split off decorrelate_stereo and append_extra_bits as alacdsp

[Timothy Gu]

On Sun, Oct 4, 2015 at 2:21 PM Michael Niedermayer <michaelni at gmx.at> wrote:

> there is a spec ?
>

Don't think so for the codec itself.


> i only know of soe reference source code and i looked yesterday
> and it usesed the full 8 bits unless i missed something
>

 https://alac.macosforge.org/trac/browser/trunk/codec/ALACEncoder.cpp says
that mixRes (aka decorr_left_weight) can be up to 4.

Timothy