[Cin] Fwd: New Topic

[Phyllis Smith]

Anyone familiar with this package? Cincity uses CinGG but obviously we all
use other packages for specific things?
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From: Cinelerra GG - Forum <forum at cinelerra-gg.org>
Date: Wed, Nov 13, 2024 at 5:41 AM
Subject: New Topic
To: <phylsmith2017 at gmail.com>


Hello phylsmith2017 at gmail.com!
New topic has been created on your subscribed forum - Miscellaneous
<https://www.cinelerra-gg.org/forum/forum-miscellaneous/>.

*Help on slowmoVideo*

I need to slow down a clip which has been recorded at 30 FPS.

slowmoVideo is very interesting as it uses the optical flow technology for
interpolating frames like respeedr does. And it uses FFMpeg.

It can produce super fluid video. It can even be enhanced by a module to
use the GPU efficiently.

Unfortunately I have problems and at Github no one is answering to this
technical issue (maybe because the people spammed around in the past). Does
anyone of you have the possibility to take a look at it?

My debian package installs perfectly and starts without issues. I can open
the clip but on render it crashes. Using the command line I get this error:
Have OpenCL: true useOpenCL: true true 1 1 terminate called after throwing
an instance of 'cv::Exception' what(): OpenCV(4.6.0)
./modules/video/src/optflowgf.cpp:1120: error: (-215:Assertion failed)
_flow0.size() == prev0.size() && _flow0.channels() == 2 && _flow0.depth()
== CV_32F in fun...


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