On Thu, Sep 22, 2016 at 12:36 AM, Larry Gritz <l...@imageworks.com> wrote:
> 1. As Kevin points out, we can use something akin to Karl's mapping (I'll
> find a cubic curve that maps these smoothly?) of quality's 0-100 scale into
> settings for DWA compression quality. I don't know if that will give you a
> "smooth" response either visually or in terms of file size. If somebody
> wants to do a little research and try to map out a more perceptually or
> size-wise linear response, please volunteer.
> 2. Another approach is to skip --quality, and just allow the compression
> setting to be built into the compression name! How does this look:
> --compression dwaa:45 or --compression dwaa:200. The idea is that anything
> starting with "dwaa" would turn on dwaa compression, and any optional
> trailing numbers would set the dwaaCompressionQuality.
Oiio-dev mailing list