[FFmpeg-devel] FFMpeg Developer Required

[Stefano Sabatini]

On date Thursday 2014-06-12 20:31:52 -0500, Reuben Martin encoded:
> On Thursday, June 12, 2014 09:13:32 PM Patrick Shirkey wrote:
> > On Thu, June 12, 2014 6:21 pm, Paul B Mahol wrote:
> > > On 6/12/14, Reuben Martin <reuben.m at gmail.com> wrote:
> > >> On Wednesday, June 11, 2014 11:42:07 AM Ray Hilton wrote:
> > >>>  I'd like to adjust the volume of one stream smoothly, and
> > >>> 
> > >>> dynamically, based on whether there is input on the other.  For
> > >>> example, as a user talks, we level down the other audio so they are
> > >>> more easily audible.
> > >> 
> > >> It's called a "ducker" and I believe there exists ladspa / lv2 plugins
> > >> that
> > >> 
> > >> will already do that for you.
> > > 
> > > Do you have exact link to LADSPA plugin as libavfilter have ladspa filter?
> > 
> > This topic has been discussed on linux audio users mailing list previously.
> > 
> > http://linuxaudio.org/mailarchive/lau/2008/11/12/150037
> > 
> > There is a sidechain compressor in the swh ladspa plugins and also the
> > calf lv2 plugins.
> > 
> 
> There is also the "ducka" lv2 plugin: http://openavproductions.com/artyfx/

Let us know if you are able to use the ladspa plugin or something
else, if you don't please open a feature request on trac.
-- 
FFmpeg = Funny & Faithless Murdering Picky Egregious Gorilla