Am 2014-04-18 06:14, schrieb Dan Dennedy:
> On Thu, Apr 17, 2014 at 3:52 PM, Hungerburg wrote:
>
> I noticed that the filter is loaded twice, is this by design?
>
> If there is no -profile option on the command line and no profile
> element in the MLT XML, then yes. It loads things once to get the first
> frame and generate a profile from its attributes (auto-profile), and
> then runs everything again with the auto-profile.
Indeed, with eg "-profile hdv_720_25p" the filter gets loaded only once.
Per se that tells me, that filters better be idempotent.
I noticed too, that on the qmelt command line arbitrary values can be
passed to the filter, eg "out=200 fps=25 sfs=2 sfd=2" which can easily
be read from the webvfx code:
> var fps = webvfx.getNumberParameter("fps") || 25;
PS: Maybe it was generally useful, if the HTML-Overlay in Shotcut had a
way to set the OUT point of the effect…
Thank You
--
peter
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