Matt Jordan wrote:
Hello,
I'm using Cinelerra as part of an open source pipeline for
more-or-less traditional-looking 2D animation. I draw backgrounds and
character animation in Inkscape and Gimp, export still frames as true
color pngs, and assemble clips in Cinelerra to composite with sound,
effects, etc. I've been working on getting good at the mechanics of
the process (basic interface stuff, panning and zooming still image
backgrounds, dissolves, and so on) and have so far been using
quicktime for linux as my output. It's fine for this stage, but I'm
seeing some noticeable degradation of the png images in the resulting
animation files. In particular, the edges are soft and out of focus
and they generally lack sufficient detail.
Hi Matt
I am working on stop motion animation using digital still camera. I
agree Inkscape is one of those 'killer apps'.
With your cinelerra problem it isn't totally clear what codec you have
been using. Quicktime is a container not a codec. When you mention
pngs after mentioning Quicktime I could assume you are rendering out of
cinelerra to a png image list format in a Quicktime container. But
rather than assume could you be totally clear about this. You mention
using png images as a source format so there is some confusion here.
Please clarify.
I haven't got far in my work yet but so far I render out to png image
list formats until I am ready to 'publish' to an mpeg/flv format or
whatever.
There IS a problem using png as the render format: if you want to encode
alpha channel data. This can be useful if you need an intermediate
editing format to bring back into cinelerra later. In that case you
need to use an RGBA uncompressed format in a quicktime container. I
think. I don't have the details handy but if you need that info email
me and I will find it. It is very hungry but with the small volume of
footage for animations then perhaps that isn't a problem.
Graham
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