Thanks @glitterball3 for the last information.So your source video file is .MP4 h264 yuvj420p(pc, bt709).My tests are on .AVI mjpeg yuvj422p(pc, bt470...

@glitterball3 And the ffprobe of your source file, please? Your outputs are as mine. Good but, until now, I can not reproduce this output inside Cin...

@glitterball3 Mmh, in my case it works also for rgba64be. Could you convert your RGBA-8bit+rgb24 output (.qt) to .mp4 with ffmpeg and see if it st...

@glitterball3 Could you do a little test with the settings below to see if the rendering viewed in VLC match with the Compositor, please? Because ...

@phylsmith2004 @andreapaz : Thank you! @prolinuxnle : Sorry for all my OFF Topic in your Request.

Off Topic:Ooh, I just understood why my post went to the top. There is a Pull Down menu, with three options, on the bottom-right corner of the topic s...

Off Topic: I have noticed that my previous post "About Proxy..." (20/01/2022 10:18 am) is gone on the top of the posts. But I didn't touch any butto...

About Proxy.I am glad it works for you (@prolinuxnle) too.There are other presets for proxy with alpha channel could be useful.Below some of those: ...

@prolinuxnle Sorry, I am a stupid human.I had used a different Overlay Mode in Patchbay for the video track with Snow_overlay.mp4: Arithmetic...->...

I can not speak about performance because my computers are very old.So I use Proxy feature.My Proxy settings for a Project Format 1920x1080 @29.97fps ...

Thanks @andreapaz !

Thanks @phylsmith2004 ! It is made using Cinelerra-GG effects (Rumbler, RGBShift, Scale, Whirl, Crop & Position) except for the Snow Overlay (ma...

I don't know how all this (digital) data will turn out in the future.And we would always need computers and software to see anything.In the meantime I...

Good links @andreapaz. Thank you!