[PD] Capture Gem output: best practices?

Max abonnements at revolwear.com
Sun Sep 17 20:15:38 CEST 2017

This is such a reoccurring question, I've always wanted to make a FAQ 
about this where we can point to. There are quite a few possibilities 
and it depends on the system and case which one is the best for you.

A) inside GEM
You can record the GEM window inside GEM with pix_record and pix_snap. 
This is the cleanest and cross platform solution, because it doesn't 
require additional soft- or hardware. You can also render things slower 
than realtime, while making sure to save every frame.

B) outside of GEM, but inside the computer
Use a screen capturing software, such as Vokoscreen, 
simplescreenrecorder, RecordMyDesktop or a broadcasting solution like 
OBS to capture the GEM window and save it in a file.

C) outside of the computer
You can display the Gem output on an external monitor and record the 
output with a hardware device that captures HDMI or DVI. Expensive, but 
if the former solutions are not viable, then it's the only way. For 
example you have a live performance with audio and your computer is on 
its limits CPU wise, so it would crash or crackle if you would run A) or B).

On 2017년 09월 17일 19:01, Peter P. wrote:
> Hi dear list,
> I know that Gem's OpenGL output is not primarily designed to be captured
> into a video file but am wondering what are the best practices by the
> list members to create a movie file from a Gem window's output?
> Thank you for all ideas!
> P
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