Re: Rendering Issue by Xinlai Ni on Oct 11, 2009 at 4:07:28 am
Have you checked the "Render Settings" options of your render queue item? I think it will by default render your work area unless you manually override it to the range you want to render.
Re: Rendering Issue by Dave LaRonde on Oct 12, 2009 at 10:02:27 pm
[Danny Soderberg]"...it looks like you forgot to put something after "Read this"" Here it is:
Dave's Stock Answer #1:
If the footage you imported into AE is any kind of the following -- footage in an HDV acquisition codec, MPEG1, MPEG2, mp4, m2t, H.261 or H.264 -- you need to convert it to a different codec.
These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.
In order to maintain peak rendering efficiency, AE needs complete information for each and every frame. But because these kinds of footage contain only partial information, AE freaks out, resulting in a wide variety of problems.
Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA
Re: Rendering Issue by Danny Soderberg on Oct 13, 2009 at 7:18:18 pm
Dave,
Again I wanted to say thanks for the tip. I was wondering though if you either knew of a step by step explanation of how to conver the files or if you knew a good way/codec yourself.
Re: Rendering Issue by Dave LaRonde on Oct 13, 2009 at 7:42:19 pm
Since I'm a Mac guy, I'd use Quicktime's Animation codec for video with a lot of big areas of a single color, or Quicktime's PNG codec (not a PNG sequence) for more highly-detailed video. Both are lossless, and since mpeg2 is a lossy codec, you need to preserve what quality you have.
On a windows box? I got no clue other than uncompressed AVI.
Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA
Re: Rendering Issue by Danny Soderberg on Oct 13, 2009 at 7:49:35 pm
And to do the conversion, do I just bring the HDV file into AE and export the whole thing as uncompressed AVI. Then import it back in to start editing?
Re: Rendering Issue by Danny Soderberg on Oct 13, 2009 at 9:05:30 pm
I've done a little research and I am finding it hard to find Adobe Media Encoder. It says it is a stand alone application, but it says you use it by exporting from Premiere Pro? Is there anyone else that can help me with this?
I don't know what format it allows you to convert MPEG2 to but it should use almost any AVI codec you have installed on your machine. If the purpose is to actually work with the clips (maybe in realtime in Premiere etc..) you should change MPEG2 from HDV in Cineform (500$)... If you can manage to edit slowly and you have plenty of space you can just use "no-compression" settings in your AVI. There are other free codecs you can install and use.
I think installing from here should give you a good range of choices...
http://www.free-codecs.com/download/AVI_Codec_Pack.htm Still.. by manual you should not convert at all (to keep all information) or use no-compression settings.. allthough CineForm is virtually lossles
PS Your 3 sec problem could come from somewhere else. If the project is kind of complex, or your computer to small (to little ram).. After FX can give that kind of problems. There is a secret keycombination to reveal an extra setting panel in the preferences to force it to discard cache every so and so frames.
hold the shift key, go to edit > preferences > memory & cache and you’ll be surprised to see a new entry in the drop down menu called ’secret’: the most interesting setting is the one that you can clear the memory after a specific amount of rendered images: ‘disable layer cache’
siRoma di Marcello Mazzilli
Corporate video productions in Italy
www.siroma.com
Re: Rendering Issue by Marcello Mazzilli on Oct 14, 2009 at 6:43:06 am
Yes... If your aim is to keep quality and the only reason for converting is to feed AfterFX with some easier codec (non intra frame) I'd go for no compressed (but takes a lot of space)
The aim of the secret option is to reduce the amount of frames it keeps in cache.. You should try with different values because if possible this is an operation that should NOT be done
siRoma di Marcello Mazzilli
Corporate video productions in Italy
www.siroma.com
