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The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Texte
Autres articles (53)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...) -
Other interesting software
13 avril 2011, parWe don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
We don’t know them, we didn’t try them, but you can take a peek.
Videopress
Website : http://videopress.com/
License : GNU/GPL v2
Source code : (...)
Sur d’autres sites (7795)
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Problem with processing FFMPEG video , the output video is totally black in first 3 seconds
13 janvier 2021, par Trần Minh TuấnI want to make a slideshow by using concat demuxer like this link :
https://trac.ffmpeg.org/wiki/Slideshow


Here is the textfile preinputFiles.txt :


file 'path a'
duration 2
file 'path b'
duration 2
file 'path c'
duration 2
file 'path c'



and my command array is :


String[] cmd = new String[]{
 "-f","concat","-i",
 textFile,
 "-vsync", "vfr", "-pix_fmt", "yuv420p",
 dest.getAbsolutePath()};



the video has 3 seconds that it is totally black and run from 3s to 9s even the gallery shows that it is a 6 seconds long video .


Thanks for the help !


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ffmpeg insert black to video head/tail
15 mars 2021, par moriakiI tried to carry out the matter of the title.


ffmpeg -i "${in}" -vf tpad=5,start_duration=5,color=black -af adelay=5s,all=1 "${out}"


Console Error :


Only '-vf tpad=5,start_duration=5,color=black' read, ignoring remaining -vf options: Use ',' to separate filters
Only '-af adelay=5s,all=1' read, ignoring remaining -af options: Use ',' to separate filters


No such filter: 'all'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:1
Conversion failed!



I can hardly understand this legacy.
Thanks in advance.


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How to Replace Duplicate Frames in a Video with Black Frames using ffmpeg ?
21 mars 2021, par Yam ShargilI'm trying to trim all "no action, no movement" frames out of my screen recording. Some of my screen recordings are really long (like 100 hours long).


I found this :
How to Simply Remove Duplicate Frames from a Video using ffmpeg


ffmpeg -i in.mp4 -vf
"select='if(gt(scene,0.01),st(1,t),lte(t-ld(1),1))',setpts=N/FRAME_RATE/TB"
trimmed.mp4



I don't want to lose any important frames, so for testing the threshold purposes, I want to replace (not remove) all the "no action" frames with black frames.


That's my best shot so far, not my proudest work :


ffmpeg -i in.mp4 -vf "select='if(gt(scene,0.01),st(1,t),lte(t-ld(1),1))',drawbox=color=black:t=fill" out.mp4