Old 04-10-2022, 06:14 AM   #1
shred101
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Default Video Transparency

Video transparency is a really important part of what I'm doing at the moment.

I'm curious if it's possible to use a video with transparency in Reaper so that I can use a video overlay.

I am totally flexible on formats and such.

I've read a few things which don't seem to be true in practice (such as some threads say there's a dedicated video transparency option which I can't find anywhere).

At the moment my files are in mp4 against a bluescreen backdrop so I can do colour-to-transparency or anything like this.


Appreciate any feedback on this.
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Old 04-10-2022, 10:23 AM   #2
EpicSounds
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Video processor plugin
Chroma Key preset (green/blue screen filter)

for image files (pngs) with alpha channel you can use the "Overlay: Image overlay" preset.
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Old 04-10-2022, 10:42 AM   #3
shred101
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Thanks mate. I solved it in the end using the chroma key solution as you suggested.
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Old 04-11-2022, 11:13 AM   #4
papagirafe
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You may also use a pre-made video (or static image) with alpha transparency to superimpose on your own video (with the preset "overlay image") although you cannot generate such a video yet in Reaper.
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