Hi Romain,
I'll try sequence() instead of add() as you recommended and let you know.
Thanks
On Wed, Mar 7, 2012 at 10:28 AM, Romain Beauxis <[email protected]>wrote:
> Hi James!
>
> Le 6 mars 2012 17:06, James Moon <[email protected]> a écrit :
> > I'm having a problem with transition on input.harbor.
> > Blow is the portion of the code:
> >
> > # transition function
> > def transition(a,b) =
> > log("transition called...")
> > add(normalize=false,
> > [fade.initial(duration=5.,b),fade.final(duration=5.,a)])
> > end
> >
> >
> > # how I called switch function
> > dj_live = input.harbor(id="live_dj_harbor", dj_harbor_input_mount_point,
> > port=dj_harbor_input_port, auth=check_dj_client, buffer=10., max=20.)
> > ignore(output.dummy(dj_live, fallible=true))
> > switch(id="live_dj_switch", track_sensitive=false,
> transitions=[transition,
> > transition], [({!live_dj_enabled},dj_live), ({true}, s)])
> >
> > When I turn on/off live_dj_enabled predicate, transition works, but not
> > nicely.
> >
> > When transition from s->dj_live, I notice that s is not fading out
> > gradually. It suddenly reduces volume of s and the fade in of dj_live
> come
> > in ok.
> > When transition from dj_live->s, samething happens but the only
> difference
> > is that when the volume of old source(dj_live in this case), drop more
> > dramatically.
> >
> > Do you have any idea why I don't get smooth transition?
> > Thank you for your support.
>
> As a general advice, you should always remember that input.harbor and
> other live sources have to work at real-time. This means that all
> transitions that consume data at a higher rate, such as crossfades,
> are bound to fail with those.
>
> That being said, I am not sure that this is the case with you. fade.*
> operations should not consume more than real-time. However, add() may.
>
> Have you tested with a sequence instead of an add(), just to see what it
> does?
>
> Romain
>
--
James Moon
Software Developer, Sourcefabric
[email protected]
www.sourcefabric.com | *www.sourcefabric.org*
720 Bathurst St. Suite 203
M5S 2R4, Toronto, ON, Canada
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