does the frame rate affect this.
An earlier reply noted a rounding error in cinelerra.
I don't notice any flickers, but I operate at 25 fps (PAL). Is 30fps
really 29.97, which might cause this?
On 18/11/11 12:33, Ichthyostega wrote:
Am 17.11.2011 23:32, schrieb Nicolas Ecarnot:
I have a still picture staying there for 10 seconds, at say 30 fps.
I add a blur effect on the whole track ...
- At the beginning of the track, I set up blur radius = 0.
- At the end of the track, I set up blur radius = 30.
Rendering that, I was expecting my still image to progressively get more and
more blurred. Actually, this is what's happening, except this happens while
heavily flickering (flickering between blurred pictures and completely sharp
original).
Hi Nicolas,
from your description this rather sounds like a bug.
What happens if you manually move your second keyframe a bit to the
left, causing the progression of the blur amount to stop a bit earlier,
not at the end? What happens with the flicker *after* that second keyframe
- does it continue to flicker?
- does it just stay there blurred and otherwise static?
-- Hermann V.
PS: the blur effect can actually create some quite surprising flicker when
applied to interlaced video material, but that's another story altogether.
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