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Autres articles (111)
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Problèmes fréquents
10 mars 2010, parPHP et safe_mode activé
Une des principales sources de problèmes relève de la configuration de PHP et notamment de l’activation du safe_mode
La solution consiterait à soit désactiver le safe_mode soit placer le script dans un répertoire accessible par apache pour le site -
Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...) -
List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)
Sur d’autres sites (11965)
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FFMPEG read audio convenience function
7 mars 2016, par Phlox MidasIn Matlab, there’s a function called
audioread
that takes a file name as input and returns a vector of samples and the sample rate like this :[samples, sampleRate] = audioread(fileName);
I’ve been programming FFMPEG but finding it very low level. I have a file being read using a technique similiar to this. Is there any such equivalent C function in FFMPEG as there is in Matlab so I don’t have to fiddle with the low level stuff ? Or any library that can provide a nice API like this for FFMPEG (though I would just prefer this one function) ?
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How to use hardware acceleration with ffmpeg
16 juin 2014, par ixSciI need to have ffmpeg decode my video(e.g. h264) using hardware acceleration. I’m using the usual way of decoding frames : read packet -> decode frame. And I’d like to have ffmpeg speed up decoding. So I’ve built it with
--enable-vaapi
and--enable-hwaccel=h264
. But I don’t really know what should I do next. I’ve tried to useavcodec_find_decoder_by_name("h264_vaapi")
but it returns nullptr.
Anyway, I might want to use others API and not just VA API. How one is supposed to speed up ffmpeg decoding ?P.S. I didn’t find any examples on Internet which uses ffmpeg with hwaccel.
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How to use hardware acceleration with ffmpeg
5 avril 2018, par ixSciI need to have ffmpeg decode my video(e.g. h264) using hardware acceleration. I’m using the usual way of decoding frames : read packet -> decode frame. And I’d like to have ffmpeg speed up decoding. So I’ve built it with
--enable-vaapi
and--enable-hwaccel=h264
. But I don’t really know what should I do next. I’ve tried to useavcodec_find_decoder_by_name("h264_vaapi")
but it returns nullptr.
Anyway, I might want to use others API and not just VA API. How one is supposed to speed up ffmpeg decoding ?P.S. I didn’t find any examples on Internet which uses ffmpeg with hwaccel.