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Autres articles (89)
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Mediabox : ouvrir les images dans l’espace maximal pour l’utilisateur
8 février 2011, parLa visualisation des images est restreinte par la largeur accordée par le design du site (dépendant du thème utilisé). Elles sont donc visibles sous un format réduit. Afin de profiter de l’ensemble de la place disponible sur l’écran de l’utilisateur, il est possible d’ajouter une fonctionnalité d’affichage de l’image dans une boite multimedia apparaissant au dessus du reste du contenu.
Pour ce faire il est nécessaire d’installer le plugin "Mediabox".
Configuration de la boite multimédia
Dès (...) -
Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...)
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Is it possible to convert a video with stereo audio to a twin stereo (4.0) within ffmpeg without the pan filter (upmix stereo to 4.0 quad) ?
27 juin 2019, par user1867479I am trying to convert a video with stereo audio to a twin stereo (4.0) within ffmpeg without the pan filter (upmix stereo to 4.0 quad) but i had no luck so far.
the closest result was this :
ffmbc -i video.mov -tff -threads 4 -r 29.97 -target xdcamhd422 -vtag xd5c S:\OKKO_0614_PT_MIX_28.mov -ac 4 -strict experimental -acodec aac -ab 96k -ar 48000 -aprofile 1 -map_audio_channel 0:1:0:0:1:0 -map_audio_channel 0:1:0:0:1:1 -map_audio_channel 0:1:0:0:1:2 -map_audio_channel 0:1:0:0:1:3
this give a result of 1 video with 4 channels, but i need a video with two stereo channels.
Thanks !
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libavcodec's AVRational vs 29.9 fps
29 mars 2014, par sigflupSo the AVCodecContext structure has a nice little member named time_base which is used to represent frames per second when encoding video, which is what I'm doing. time_base is an AVRational structure which consists of a numerator (num) and a denominator (den). I'm not good at math and so the only rational number I can think of for 29.9 is 29 and 9/10, which doesn't work. What should I fill num and den with ?
p.s the answer is not 299/10
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Encoding mpeg-1 video with iOS
8 janvier 2016, par Jonathan PlackettI’m looking for a way to convert videos recorded with the device camera into the original mpeg-1 video format + and mp3 file - on the device itself.
I know this seems a bit strange but I have some good reasons why I want to do this.
Is this even possible ? Are there any frameworks that can make this easier ?
I believe ffmpeg might be a possibility but I’ve also heard there are patent & licensing issues with using it.