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Médias (1)
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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (106)
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs
12 avril 2011, parLa manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras.
Sur d’autres sites (11512)
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Chromakey filter to display transparent keyboard while recording game screen using ffmpeg
31 janvier 2020, par captain_majidI’m trying to display a transparent keyboard like this one (he is using OBS studio) :
https://www.youtube.com/watch?v=6RCXyh2aICYSo I’m setting all "NohBoard v1.2.2" colors to green (0x00FF00), except the letters, then :
ffmpeg -y -f gdigrab -framerate 30 -draw_mouse 0 -i title="NohBoard v1.2.2" keyboard.mp4
ffmpeg -y -i keyboard.mp4 -c: png -vf "chromakey=0x00FF00:similarity=.200" keyboard1.mp4
ffmpeg -y -i gameplay.avi -i keyboard1.mp4 -filter_complex "[1:v] scale=560x180 [kb]; [0:v][kb] overlay=x=W-w-520:y=H-h-0 [done]" -shortest -map [done] test.mkvEverything works great so far, but can I use 1 command for this ?
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Encoding video for PS4 Pro using ffmpeg
16 février 2023, par Calum J CraigI'm trying to encode video to watch on my PS4 Pro (so want to be able to handle 4k as well as 1080p).


At first I had success with the default ffmpeg .mp4 command just using this :


ffmpeg -i .mkv .mp4


This was fine for the first batch of 1080p videos I encoded. But, then it started to fail me - the videos would encode but when I tried to watch them on the PS4 the file would start to play with only audio, no video, play for a few seconds then fail and become unusable.


I checked and apparently the PS4 requires the H.264 codec. So, I installed libx264-dev and tried :


ffmpeg -i .mkv -vcodec libx264 .mp4


I got the same result - the video encoded and started to play on the PS4 with only audio then failed.


Any suggestions for what I am missing / doing wrong ? This is the first time for me to use ffmpeg so I am not familiar with its various features / parameters. I'm running Ubuntu 22.04.


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how to add beat and bass effect in video using ffmpeg command ?
8 avril 2021, par Hit_Vari want beat effect on video and i am using ffmpeg command for beat effect i was used this below command for beat effect black and white and original color after 2 sec looping but not this work this command only create black and white video ffmpeg -i addition.mp4 -vf hue=s=0 output.mp4


So please, suggest any solution.


I want make video like youtube.com/watch ?v=7fG7TVKGcqI plaese suggest me


Thanks in advance