New to Flash - How far can I take video/image manipulation?

Hi,
I'm new to the flash/flex world and am considering using
Adobe products for an interactive site. My understanding of all the
various product, however, is still evolving so it's safe to assume
and rather basic level of understanding of Flash, Flex, their
related products and relationships to each other.
I have a couple of questions before diving in, and any advice
or pointers to docs would be most appreciated.
- When the user pauses a video clip, can we pinpoint the
exact frame in the video (not frame in swf) on which they paused?
- Is it possible to take a screenshot of the current video
frame?
- How much "processing" can we do on the image? For example,
can I get access to individual pixel data, and is it reasonably
fast to manipulate?
Thank you in advance!
Sean

SeanFlash,
> - When the user pauses a video clip, can we pinpoint
> the exact frame in the video (not frame in swf) on which
> they paused?
Seeking in FLV videos applies to keyframes, so it will
depend on how
many keyframes you include in that FLV when you encode the
video. The
greater the number of keyframes, the more precision -- but
the greater the
filesize.
> - Is it possible to take a screenshot of the current
video
> frame?
Flash doesn't have access to the OS deeply enough to take a
screenshot,
but you can certaily use the BitmapData class to copy pixels
from one object
to another. You can even manipulate those pixels.
> - How much "processing" can we do on the image? For
> example, can I get access to individual pixel data, and
is
> it reasonably fast to manipulate?
These are subjective questions, so it's hard to answer them.
I've seen
examples of "fire" effects (particles) added dynamically to
live webcam
captures. I've seen blendmode effects and filters (glow,
etc.) applied to
video.
David Stiller
Adobe Community Expert
Dev blog,
http://www.quip.net/blog/
"Luck is the residue of good design."

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