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Médias (2)
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Granite de l’Aber Ildut
9 septembre 2011, par
Mis à jour : Septembre 2011
Langue : français
Type : Texte
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Géodiversité
9 septembre 2011, par ,
Mis à jour : Août 2018
Langue : français
Type : Texte
Autres articles (63)
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Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Les images
15 mai 2013
Sur d’autres sites (6452)
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ffmpeg - how to confirm whether or not a video has a black or transparent background [closed]
8 juillet 2022, par TheForgot3n1I have searched everywhere to find an answer, but only options I've seen point to software that is either paid or seem very complicated for the task.


What is the best method of determining if you are seeing a black background when running a video (say with Quicktime) or seeing a transparent background.


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ffmpeg - make pixels transparent depending on how black they are
8 juillet 2022, par TheForgot3n1Fully black pixels should be fully transparent. Grey pixels should be semi-transparent. White pixels should not be transparent at all. Is this possible to achieve in ffmpeg ?


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simple way to confirm if a video has a black or transparent background [closed]
10 juillet 2022, par TheForgot3n1What is a method of determining if you are seeing a black or transparent background when working with videos without using anything other than the Windows OS ?