Matteo Sisti Sette a écrit :
Hi,
On my Vista machine, I get an enormous instability of the framerate with
Gem, even if dsp is switched off. However, if I run PD with the
"-noaudio" flag, then the framerate is perfectly stable.
Is it normal?
When I say "enormous" I mean the time elapsed between a frame and the
next one often goes below one millisecond and above 80ms, though an
avarage of 40ms is always maintained.
wow.
look like windows is still not very good with real time applications.
try upgrading to a better OS.
with linux, i don't have anything under 32, and nothing above 42.
I am testing this with the attached patch, which has only a gemhead and
a [realtime], so there's no actual processing of image or video.
If anyone doubts that it can be just the time shown by [realtime] that
is unreliable,
i do trust realtime.
note that if I run Pd with -noaudio the measured
framerate actually _is_ much more stable (rarely below 37ms or above
43ms a frame) and also, I have tried it with a simple video (homer.avi)
and I could note the jerky playing.
Isn't it strange that turning off DSP does not change anything while
running Pd with -noaudio does??
no.
-noaudio is not the same thing than dsp off.
cyrille
thanks
m.
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