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Diffstat (limited to 'topics')
| -rw-r--r-- | topics/systems/bbb.gmi | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/topics/systems/bbb.gmi b/topics/systems/bbb.gmi index 73582e6..2119b28 100644 --- a/topics/systems/bbb.gmi +++ b/topics/systems/bbb.gmi @@ -5,7 +5,7 @@ * type: documentation * keywords: BigBlueButton -## BASH script to install BigBlueButton in 30 minutes. +## BASH script to install BigBlueButton in 30 minutes. https://github.com/bigbluebutton/bbb-install @@ -20,10 +20,61 @@ https://github.com/bigbluebutton/bbb-install/issues/314 ## How NixNet deploys their BBB -> jgart: amolith, how hard was it to set up BBB? ->03/05/2022 | 02:18:05 AM jgart: did you use the bbb-install script? https://github.com/bigbluebutton/bbb-install ->03/05/2022 | 02:18:18 AM jgart: any advice is much appreciated -> arethian: <amolith/tg> jgart, yep I used the script. It takes care of everything -> 03/05/2022 | 08:02:02 AM arethian: <amolith/tg> Note, that you will need an additional sever for TURN but it can be pretty lightweight +> jgart: amolith, how hard was it to set up BBB? +>03/05/2022 | 02:18:05 AM jgart: did you use the bbb-install script? https://github.com/bigbluebutton/bbb-install +>03/05/2022 | 02:18:18 AM jgart: any advice is much appreciated +> arethian: <amolith/tg> jgart, yep I used the script. It takes care of everything +> 03/05/2022 | 08:02:02 AM arethian: <amolith/tg> Note, that you will need an additional sever for TURN but it can be pretty lightweight >03/05/2022 | 12:30:35 PM jgart: amolith, THNX! It is much appreciated and thank you for providing such awesome services to the community + +# Info + +### Get streams + +``` +wget https://meet.nixnet.services/presentation/47785f22d28c3c39518f00e70fc6f970281016c2-1649400878186/video/webcams.webm + +wget https://ubc-bigbluebutton.nl/presentation/60f080d5a7ef732ea7bcbd91cbd15965d404e6f2-1677483521868/video/webcams.webm + +wget https://meet.nixnet.services/presentation/47785f22d28c3c39518f00e70fc6f970281016c2-1649400878186/deskshare/deskshare.webm + +wget https://ubc-bigbluebutton.nl/presentation/60f080d5a7ef732ea7bcbd91cbd15965d404e6f2-1677483521868/deskshare/deskshare.webm +``` + + +What I used: + +``` +ffmpeg -i Pjotr-NoSQL-2022-slides.webm -i Pjotr-NoSQL-2022-webcam.webm -vf "movie=Pjotr-NoSQL-2022-webcam.webm, scale=210:-1 [inner]; [in][inner] overlay=10:10 [out]" tmp.mkv +``` + +use -ss for start time + +``` +ffmpeg -ss 00:06:22 -i tmp.webm tmp.mkv +``` + +For Amelie: + +``` +ffmpeg -i deskshare1.webm -vf "movie=webcams1.webm, scale=210:-1 [inner]; [in][inner] overlay=10:10 [out]" tmp.mp4 +``` + +``` +ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 tmp.webm +``` + +## Extra + +Convert files using ffmpeg adding in the webcam (right justified): + +``` +ffmpeg -i deskshare.webm -vf "movie=webcams.webm, scale=330:-1 [inner]; [in][inner] overlay=940:-1 [out]" tmp.mp4 +``` + +Reversed audio try + +``` +ffmpeg -i deskshare.webm -i webcams.webm -vf "movie=webcams.webm, scale=330:-1 [inner]; [in][inner] overlay=940:-1 [out]" tmp.webm +``` |