Thanks @dankinzelman for the FFprobe info.Your file seems good but may be Instagram doesn't like that.I don't use Instagram, but I found the requires ...

dankinzelman wrote: which works fine if I post the videos from my computer, but if I attempt to post them from my cell phone, it tells me 'The video f...

@cmmpsantos Do you mean something like "Michael Jackson's Black or White Morphing sequence" ()? I think that it is not possible inside Cinelerra-GG....

@glitterball3 It is good webm-gbrp works also for you.I don't know why You and me are seeing different results in some cases.May be it depends on my...

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 !