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List: kde-multimedia
Subject: aRts question
From: Martin Vogt <mvogt () rhrk ! uni-kl ! de>
Date: 2002-05-07 16:08:43
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Hello,
for video support I think aRts needs some kind
of signal mechanism.
Example:
kwintv creates an arts image and gets the pointers
to the destination over shared mem.
Then it writes data to it and
calls something like image->out()
and the image is passed through the filter
graph (and to the display at the end)
But what should kwintv do after image->out() ?
It needs to know, when the image is
available again, and for performance reasons
a poll is out of question.
Is there a way to signal the remote client
a image_avail() or something like that?
One option would be to put a semaphore into
shm and let the client block after the
image->out().
Martin
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