Robbt wrote:
I'm working on a video of Comfest (free music
fest) in central ohio, and I am trying to use
Cinelerra to edit everything. I had been using
Final Cut Express but I couldn't stand it.
So I started editing today and I noticed that
all of the video had a line edge to all of the
parts that had movement. This wasn't happening
with Final Cut, so I am trying to figure out why
the line distortion happens, if this is a
product of DVgrab, or just the way that the
codec interprets the video.
Maybe FC does automatic deinterlace when it displays... ?
I used deinterlace and it seems to fix the
problem. Ok, so I did the proper thing and read
Wikipedia and found out the glory of "mouse
teeth" or tearing, but I'm still wondering the
specifics of this as it applies to Cinelerra.
I plan on editing this video so that it can be
displayed via DVD. Should I just add the
Deinterlace effect to the whole video ?
No, definitely you should not. DVDs are interlaced. When played on a
normal TV screen you won't see any artifacts. When played on a
progressive scan display like your computer monitor you will. So
normally your computer dvd player will do the deinterlacing itself. You
should not use the deinterlace plugin in Cinelerra or your footage will
look way worse when played by a normal set top dvd player.
Should I just assure the person I'm working with
who knows less than me that this is fine, it'll
be all right in the end, it's just because the
video is interlaced, and not due to capturing
the footage with a different camera or DVgrab
and that it can be fixed with a simple
deinterlace effect ?
I recommend you make a small test dvd to verify your whole production
path. You can then verify the interlacing isn't visible on your TV.
You'll also want to make sure you've got the interlacing fields correct
in your project settings (i.e. top/bottom first).
Happy editing,
-Nathan
_______________________________________________
Cinelerra mailing list
[email protected]
https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
