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Autres articles (54)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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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" (...) -
Librairies et logiciels spécifiques aux médias
10 décembre 2010, parPour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs et (...)
Sur d’autres sites (8583)
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Replicate audio/video from another video [closed]
25 mars 2020, par thatPranavI have two videos, say, video-1 and video-2 and I wish to convert video-1 format exactly like video-2.
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Create video trailer (mp4) with FFMPEG and PHP from long mp4 video [on hold]
23 octobre 2015, par user1887681i have a video site and i want to make trailers for all videos.
ie I have to make a 12 second video from 4 randomly increments of 3 seconds each from the full video.Has anyone tried it ?
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FFMPEG Overlay one video on top of another video at specific location
11 août 2018, par Ewan SouI have two videos (in mp4 format). I would like to put one video on top of the other video
- Both videos have the same duration
- The bottom video is of resolution 640px by 640px
- The top video is also of resolution 640px by 640px
I need to scale down the top video resolution to 580px by 580px. Then I need to position it in a specific location on top of the bottom video.
I tried the below quote
ffmpeg -i bottom.mp4 -i top.mp4 -filter_complex "[0:0][1:0]overlay=enable='between(t\,0,50)'[out]" -shortest -map [out] -map 0:1 -pix_fmt yuv420p -c:a copy -dn -c:v libx264 -crf 18 output.mp4
It does allow me to put the top video on top of the bottom video I think. But the top video was not scaled down in size. Also, this top video is by default on the top left corner of the bottom video.
In additional, somehow, the very first frame will not show the top video at all. Only at around the 0.5sec will the top video appear. Is there any way to make it such that the top video is showing at the very first frame too ?
Thank you all in advance !