Re: FxProgressAPI and progress bar
Re: FxProgressAPI and progress bar
- Subject: Re: FxProgressAPI and progress bar
- From: Paul Schneider <email@hidden>
- Date: Tue, 15 Jan 2008 09:44:08 -0500
Hi, Gary,
neither FCP nor Motion implement a progress bar today. The
FxProgressAPI leaves room for future hosts to implement one. Today,
the only part of the FxProgressAPI that FCP and Motion implement is
checking to see if you should abort your render due to user activity.
This is what the Slow SolidColor plugin is meant to demonstrate.
If you want a progress bar today, you'll have to implement your own.
This can be tricky; the hosts aren't expecting your plugin to enter an
event loop during rendering, and they may call you from a non-main
thread. It might be easiest to simply use the FxProgressAPI and pick
up the progress bar when the hosts have a chance to implement it.
- Paul
On Jan 15, 2008, at 4:07 AM, Gary Fielke wrote:
Hi all,
I always thought Apple's "Slow SolidColor" sample generator was
meant to display a progress bar somewhere due to its use of
FxProgressAPI. It never has displayed such a progress bar for me
(neither on latest FCP or Motion) so.....is it, in fact, supposed to?
If not, is it the plugin's responsibility to display such a progress
bar, or will future updates to the host apps display one?
Thanks
Gary
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