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Posted by Frank on 09/10/07 01:03
On Sun, 9 Sep 2007 23:32:12 +0100, in 'rec.video.production',
in article <I can't edit my mpegs - what's wrong?>,
"a l l y" <ally@situponDOGGIEseats.co.uk> wrote:
>I've go a Hitachi DVD HDD camcorder here
So which is it, a DVD (Digital Versatile Disc) or an HDD (hard disk
drive) based camcorder?
What is the file extension on the files that it creates - .mpg, or
something else?
> - it belongs to our morris dance
>group, and as I'm supposed to be the most technically knowledgeable person
>it's up to me to learn how to use it.
>
>I've videoed several things, and saved them to my PC. They're in mpg format.
What software are you using to transfer the video to your computer,
and what file extension do the files have once they're on your
computer's hard disk drive?
>So far so good. I can play them back, on a variety of players.
Just curious, but does "a variety of players" include the VideoLAN VLC
media player program? If you don't have a copy and wish to get it,
it's a free download from http://www.videolan.org/
Also, does "a variety of players" include Windows Media Player?
>But when I
>try to edit them, using the simple basic, supposedly foolproof Windows
>Moviemaker, the program freezes up.
>
>I can edit avi files off my own camera perfectly well. I can even edit other
>people's mpg files. But for some reason my own mpegs don't work. I can't
>figure out what's wrong.
It could be a codec issue, but without having access to one of your
files, I can't really answer that question definitively.
>Any suggestions would be very welcome. I don't want to do anything
>complicated! Just (a) compress them for YouTube or (b) add titles, or (c)
>chop bits off them. Is there any other software - preferably free - that
>might work better,
Go to http://fcchandler.home.comcast.net/ and download and install
both VirtualDub-MPEG2 1.6.19 and AC-3 ACM Codec and see what happens
when you try to open and play these files in the VirtualDub-MPEG2
program. If you can successfully open and play them in
VirtualDub-MPEG2, then you can probably edit them in VirtualDub-MPEG2
and if you really prefer Windows Movie Maker (WMM) for editing, you
could save the files out of VirtualDub-MPEG2 as uncompressed AVIs and
open the .avi files in WMM for editing.
>or can you suggest what might be going on?
Well, if it's not a codec issue, it might be a TS (Transport Stream)
versus PS (Program Stream) issue, although there are other
possibilities as well.
>All I can think of is that there might be some way of making a video clip
>uneditable, so that other people can't change them, and I've somehow,
>accidentally, caused this to happen with mine. Is this a possibility and if
>so, how would I change it?
I can't envision camera-original footage as being DRM-protected in any
way, although the files that came off of the camcorder and which now
reside on your system's HDD might have been marked read-only by
whatever software you used to transfer them. If that's the case, you
would be able to open and play them and even possibly even edit them,
but you couldn't rename them, move them, delete them, or overwrite
them without first flipping the "R" bit in the directory entry. (This
can be easily done in Windows Explorer, if necessary.)
>Thanks.
HTH and good luck!
>ally
--
Frank, Independent Consultant, New York, NY
[Please remove 'nojunkmail.' from address to reply via e-mail.]
Read Frank's thoughts on HDV at http://www.humanvalues.net/hdv/
(also covers AVCHD and XDCAM EX).
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