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Autres articles (101)
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HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
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 (...) -
Prérequis à l’installation
31 janvier 2010, parPréambule
Cet article n’a pas pour but de détailler les installations de ces logiciels mais plutôt de donner des informations sur leur configuration spécifique.
Avant toute chose SPIPMotion tout comme MediaSPIP est fait pour tourner sur des distributions Linux de type Debian ou dérivées (Ubuntu...). Les documentations de ce site se réfèrent donc à ces distributions. Il est également possible de l’utiliser sur d’autres distributions Linux mais aucune garantie de bon fonctionnement n’est possible.
Il (...)
Sur d’autres sites (7643)
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Compile ffmpeg for WinRT with libvpx ?
7 janvier 2018, par Sean O'NeilFollowing this guide :
https://trac.ffmpeg.org/wiki/CompilationGuide/WinRTCan anyone tell me if it’s possible to build and include libvpx into this ?
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Revision 106740 : Cf r106739 : ouvelle possibilité du plugin de mutualisation facile (voir ...
11 octobre 2017, par real3t@… — LogCf r106739 : ouvelle possibilité du plugin de mutualisation facile (voir commit suivant) : afficher la valeur d’une meta. Soit :
nommeta
nomcasier/nommeta (beaucoup utilisé avec les CFG)
Déclaration dans le mes_options.php
Exemple :
GLOBALSmutualisation_afficher_config ? = (isset($GLOBALSmutualisation_afficher_config ?) ?$GLOBALSmutualisation_afficher_config ?.’,’ :).’soyezcreateurs/mode_affichage,slogan_site’ ; -
ffmpeg save 8bit 'raw' pixel data from 10bit source
15 décembre 2023, par memekoSo, I'm extracting
I-Frames
from videos with the intention of converting them to perceptual hashes to be used for analysis

I am specifically working with the raw luma channel data in a Y'CBCR colour-space found in
YUV420p
chroma-subsampled video codecs like h.264 / h.265, which works all well and good, except when the input source uses a10bit
colour-depth.

I was wondering if there is a way to make
ffmpeg
convert and output only the extractedY'
component as raw8bit
pixel data even if the source was originally10bit
, like, is there a raw8bit
output encoder or some kind of filter you can apply ?

That is without having to re-encode the whole video, only potentially doing a conversion on the extracted luma component
I-Frame
data, if it happens to not already be8bit
. I am also usingffmpeg
's scale filter to compress the rawY'
channel data before output, so preferably I would want the10bit
to8bit
conversion to be the last step in the pipeline.

I've already tried specifying an
8bit
pixel format with-pix_fmt yuv420p
, this sort of works, but also causes the output to ignore-filter_complex "extractplanes=y"
and also outputUV
planes, which is not what I want.