>I'm also developing an obsession for open source >video processing. I develop scripts (and >graphical wizards to control/run them, for >inexprienced/lazy users) that push the limits of >the current state of Linux video processing >tools.
Ah, cool! That wasn't the direction I was
planning to take, but it's definitely something
I'd like to see in open-source GUI video editing.
So please keep it up!
>I tried to contact the author of the SMIL Utils
>to ask about development and features that could
>improve the capabilities of video processing
>scripts, but I did not receive a response. Do
>you plan to take a look at the SMIL utils as
>well? I'm very interested in what you're
>planning to do.
My vision is to have a video-editing system that's
based around hierarchical composition of
independent parts. For example, instead of making
the user physically glue parts of their
audio/video together, I prefer letting them
describe the various sections of their audio/video
generically, build hierarchies of such sections,
and let the editing system adjust the overall
composition based on small edits to individual
parts. Basically a graphically-edited makefile for
video.
For instance, I see a lot of TV programs and
movies where the sound for the next scene starts
before the video part. I want to have an A/V
section that, for example, "officially" starts at
the beginning of the video part, but contains a
"prelude" that will get blended with any video
prepended to its beginning. Such a section could
be moved around the hierarchy, but would
automatically blend itself in with whatever it's
paired with. That's just one example of the
abilities I'd like to see for A/V sections...there
are plenty of others.
Attached to this e-mail is an example script-file
for a tool I wrote about two years ago. I called
it lavmix. It took me about four days to write,
and does a lot of what I want in an audio/video
composition tool. But it's text-file based; I'd
prefer something that allows the information to be
edited and browsed graphically. I'd rather turn
it into a GUI product, rather than spend lots of
time making the text-file parser deal with syntax
and semantic errors better. (Which is why I
never released the code.)
Steven Boswell
ulatekh at yahoo dot com
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