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Cineform proxy with alpha in CS6
updated 4 years, 4 months ago
2 Members
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9 Posts
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Hi. I am on after effects CS6. I have a chromakey comp. I right clicked on the comp -> create proxy -> movie
In the render options I chose cineform, rgb+alpha, trillions+, premultiplied unmatted.
The file shows a black background in VLC, qt7, as well as in after effects.
What am I doing wrong?
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I’m using Sierra. CS6 works fine there. However I have experienced the same problem from mountain lion days.
Somehow the alpha channel is coming as a black layer.
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Just for fun I rendered using prores 4444. No issues with alpha channel.
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It’s been a while since I’ve used CS6. Can you post some screenshots that show your output module settings, and also the codec options for CineForm?
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter] | RenderBreak [blog] | Profile [LinkedIn] -
[Dave LaRonde] “Lesson learned! Cineform proxies don’t support alpha channels.”
Well… CineForm does support alpha, so I don’t think the matter is wrapped up yet.
CS6 was before native CineForm support was added to Creative Cloud. I think that Anmol may need to choose a CineForm profile that supports alpha in the Codec Options of the output module, but it’s been a while and I don’t remember what the dialog looks like. Those screenshots I asked for below will help.
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter] | RenderBreak [blog] | Profile [LinkedIn] -
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Codec Options are here.
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Click “Enable RGB encoding (4:4:4)”, then click “Enable Alpha Channel (4:4:4:4).” Save those settings into your output module.
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter] | RenderBreak [blog] | Profile [LinkedIn] -
I get an error – Output module failed.
I had tried that option initially years ago when I started using CF. Still causes problems.
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