
Recherche avancée
Autres articles (44)
-
ANNEXE : Les plugins utilisés spécifiquement pour la ferme
5 mars 2010, parLe site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)
-
Le profil des utilisateurs
12 avril 2011, parChaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...) -
Contribute to translation
13 avril 2011You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
MediaSPIP is currently available in French and English (...)
Sur d’autres sites (7126)
-
How to optimize video to animated GIF conversion using PHP + shell commands
15 mars 2012, par user1070798I have a web application that converts any video into an animated GIF. The app runs in PHP and the following steps are executed through php's shell_exec :
- Scale video to smaller dimensions, if they are large (ffmpeg -i $in -s 200x150 -an $out)
- Use ffmpeg to extract 1 jpeg every x seconds (ffmpeg -i $in -ss $ss -vframes 1 $out)
-
Convert jpegs to animated GIF using imagick (convert -delay $delay -loop 0 $dir/* $out)
aside - the reason I don't use the ffmpeg gif89a output is because the quality sucks.
I want to be able to except any major image format, but the most common will probably be .flv (flash) and .avi/.mpg.
My application runs fine, but I am a perfectionist and it needs to be faster for scalability.
My web server has 16 cores and I would like to utilize them as much as possible, but .flv multi-threading appears to not be supported by ffmpeg, while .avi and some others are supported. Also, ffmpeg doesn't support multi-threading when outputting to jpegs.
Does anyone know of any other programs that support multi-threading for .flv and others ? Are there any more efficient methods to create an animated GIF from video, while maintaining relatively decent quality (aka not the 100-color palette that ffmpeg supports) ?
Also, if anyone knows which codecs might perform best for stages 1 and 2, particularly with flv, I'd love to know. I've done hours of testing, but there are just so many options I haven't come to any solid conclusions.
***Update : My online app is working well so far animated gif generator. I would still love to make it faster though, so if anyone has run into similar circumstances... let me know !
-
ffmpg : generate very small size video out of pictures
15 février 2012, par jfasUsing JPEG pictures, I'd like to generate a video with the smallest possible size. In the ffmpeg doc, it says one can use a 1 fps frame rate. Is it possible to go below that to have a even smaller video file size (like 1 new picture displayed every 2-3secs ?)
-
cdxl : fix video decoding for some files
17 février 2012, par Paul B Maholcdxl : fix video decoding for some files