[Bf-committers] Composite Nodes vs Sequencer

Flavio Cardoso Ferreira Pontes flaviocpontes at gmail.com
Tue Apr 29 05:31:39 CEST 2008

That would be great!

In fact it would be greater if neither the node compositor nor the
sequences were bound by scene and were independent top level objects
themselves. Instead of organization by scenes, we would have scenes,
sequences and composites with the possibility to feed each one into

For instance:
It should be possible to feed a texture with the output from a
renderlayer, an image sequence/movie file, a noodle or a sequence
A sequence strip could be the output of a renderlayer, a noodle, an
image sequence/movie file or another sequence. 
A compositor noodle should be fed by a renderlayer, another noodle
output, an image sequence/movie or a sequence output.

That way we could get maximum flexibility. There should be some
mechanism for caching those outputs and prefferably some way to let them
those cahces persist between sessions like rendering to a hidden dir in
the project file folder.

With these suggestions I'm trying to tackle some workflow/usability
problems that keep the company I work for from adopting blender. i work
for a public broacasting company and, right now I'm the oly blender user
in the art department.

And please, support fields in the compositor. I've been bitten once by
the lack of support near a deadline and it wasn't pretty...

Rui Campos wrote:
> This is just my opinion on what I saw lately with Node(s) in the patch
> tracker not being added to the Compositor due to some idea that they
> belong to the sequencer instead, even though the code was good enough for
> inclusion.
> I don't really know what is the major idea behind the Compositor and its
> interaction with the Sequencer, but I do use the Compositor more often
> than the Sequencer and with live footage, rather then with fancy 3D stuff.
> So, in my opinion, the rejected patch to add a Deinterlace Node to the
> Compositor was a shock to me, since I have to use separate tools to do
> this and was hoping to have it built-into Blender, to avoid using more
> tools when I could use just one. (Yes, I did apply the patch on my own
> compile, but it would make sense for it to be included and supported in
> future releases)
> My pipeline is usually the following:
> - Load the raw footage in the Compositor to do all sort of color
> corrections and masks and so forth.
> - Render the result.
> - Load the result into the sequencer just for fade-in/out and adding sound.
> - Render the final solution in PNG.
> - Convert the material to YUV.
> - Encode to H.264.
> - Load into a Matroska container.
> Basically I use the Compositor for most of the things I need to do, hell I
> would just use the Compositor if it had the following:
> 1. Ability to key the Node values in time (have it show up as a IPO curve
> would be good).
> 2. Have an Input Node for Sound.
> 3. Have an Output Node with Sound, as well as the Composite Output Node to
> have a Sound input.
> 4. Have Histogram, Chroma Vectorscope and Luma Waveform Output Node viewers.
> 5. Have all the Sequencer Effects available as Compositor Nodes.
> 6. Have a Node for if/else sentences based on input values/masks.
> So, as you can see the Compositor can be used for much more than what it
> was probably designed for. And with this in mind I would like to say that
> I find it disappointing to see cool Nodes such as the Deinterlace one
> being rejected just because the official maintainers don't actually make
> use of it that way.
> I appreciate all the development you guys have been doing so far, but
> don't just reject things on a basis that you don't actually use it or see
> the use of it.
> Also, justifying it as "this belongs in the Sequencer" doesn't make much
> sense to me. In my opinion all Compositor Nodes should be available in the
> Sequencer as Effects as well as all Effects in the Sequencer should be
> available as Compositor Nodes.
> In the end I would like Blender to be able to load a new "Effect Plugin"
> and this effect would be available in both the Sequencer and the Node
> Compositor. I'm sure that the Sequencer and the Compositor can be adjusted
> to conform to a similar plugin interface.
> Well, this is just an opinion that I hope to see cleared out before the
> release of 2.46.
> Cheerz,
> -- Rui --
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> Bf-committers at blender.org
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Possibly this could be fixed if the sequencer could be fed into the node
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