[thelist] Video compression help?
Chris Cothrun
cothrun at ix.netcom.com
Fri Oct 3 18:05:45 CDT 2003
Hi Joel,
On 3 Oct 2003 , <Joel Konkle-Parker <thelist at lists.evolt.org>> wrote:
> I know absolutely nothing about video compression. All I know
> is that I have a setup here that grabs a series of frames from
> a black & white lab camera and saves them to an uncompressed
> .avi file. I understand that video codecs exist for the
> express purpose of making these uncompressed AVIs smaller.
> I've been looking around some, but I still have no idea how I
> go about using these things to compress my video. Does anyone
> have any advice for me? Preferably an open source codec and
> compression tool?
Assuming you're on Windows, Virtual Dub
(http://virtualdub.org/) is your open source swiss army knife
of AVI conversion.
MPEG 4 is one of the popular codecs nowadays, the Microsoft
implementation comes with their media player, DivX is a
version, Quicktime has a version, etc. XviD
(http://xvid.org/) is an open source MPEG 4 codec, although
its legal redistribution is questionable as there are patents
on MPEG 4. MPEG 4 is also relatively CPU hungry.
Transcode (http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/)
seems to be a VirtualDub equivalent on Linux, at least for
codec conversion.
Those should serve as a starting point, I'll leave further
searching to you unless you have some specific questions.
Chris
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