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Autres articles (59)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Amélioration de la version de base
13 septembre 2013Jolie sélection multiple
Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...) -
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" (...)
Sur d’autres sites (9882)
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Is it possible to fetch some key-frames of a video by using the HTTP Range header
9 décembre 2020, par pvdI've read the SO problem , and it seems not applying to my specific case.


Is it possible to fetch some key-frames of a video from web server by the HTTP Range header ? For example, for a 30 seconds duration video, we'd like to analysis the I-frame around 00:00:02, 00:00:15, 00:00:28.


I need to analysis the videos from internal web server to detect if there's specific watermarks in it and some other analysis.


Since the first I-frame might be invalid sometimes(Logo for example), we were planning to extract the I-frame from the 00:00:02, the middle I-frame, and the last 2nd second I-frame.


For example, for a 30 seconds duration video, we'd like to analysis the I-frame around 00:00:02, 00:00:15, 00:00:28.


We could make it works while download the whole video, since most of the data we downloaded from the server are not being used. I was wondering if maybe we could only use the HTTP Range header to download partial data and analysis it ?


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swscale/utils : override forced-zero formats back to full range
10 octobre 2020, par Jan Ekströmswscale/utils : override forced-zero formats back to full range
Fixes vf_scale outputting RGB AVFrames with limited range flagged
in case either input or output specifically sets the range.This is the reverse of the logic utilized for RGB and PAL8 content
in sws_setColorspaceDetails. -
Firefox audio tag doubles length of OGG Vorbis
22 mai 2014, par tomysshadowSo, here I have a demo file from my website
http://members.shaw.ca/darolynk/breakup/html5game/snd_music.ogg
I am running off of Firefox Beta 30.0 and this issue does not persist in Google Chrome. In Firefox, when I play the file back, the length is displayed at around twice of its actual length as 32:13 when it is only 12:52 in length. Even worse, the audio stutters, playing one second of noise, one second of silence. This issue is not persistent in Chrome nor Opera. It is not a streaming issue (the song is streamed by the time it is played back in fact).
I am wondering if this is an issue with the codec or with Firefox’s intrepretation of the codec, but more importantly, I want to know how to fix it. Some information about the file : the file is in OGG Vorbis format, 44100 Hz, 32 kbps Mono (yes, I am running out of storage space). It was encoded with SUPER, which in turn uses FFMpeg and MEncoder as necessary.
This does not apply to all files of this format, making the issue even stranger. Are OGG Vorbis files over a certain length not allowed or interpreted differently by Firefox ? This must be the case for someone else and not just me...
Any help is appreciated, thanks in advance !