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Welll my knowledge of computers is stuck on Commodore 64, so my ideas
can be somewhat outdated for nowdays computers, but here go anyway...
visual glitz and windows --> refresh issues --> repaint?, windows messages?
data resurrection --> If you are reading from a buffer, and its circular,
and you miss a "eof" flag, you will be reading old data
thats whats my 0.00 ç
:I
computers are logical machines
Douglas G. Danforth wrote:
> Folks,
>
> I have given Helmut a first cut at GftAudio but have discovered a very
> strange interaction between mouse and audio interaction. I hope someone
> can lend a little insight into what might be going on.
>
> What works:
> Audio recording and playing to files. No gliches in sound recorded when
> played back.
>
> Display of waveform on screen in real time (see below).
>
> What doesn't work:
> While displaying realtime audio waveform if the mouse is used to drag
> the window then either
> (1) waveform continues correctly
> or
> (2) waveform is only displayed in left 1/4 of screen and right 3/4
> shows value of waveform when left mouse was first clicked and held.
>
> Frozen right part is not fixed but is shifted version of itself from one
> repetition to the next (it jiggles on screen or looks like it is
> shifting due to spinning spoke like effect). I am double buffering the
> data and yet the number of shifted versions exceeds 2 (there are at
> least 3 or 4 different shifts).
>
> What I can say: Data coming from audio card is real. I zero the data
> buffer before returning it to the card and yet the card returns it again
> on the next cycle.
>
[...]
--- BlackBox
--- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy
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Received on Wed Jun 15 2005 - 18:29:39 UTC