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Autres articles (111)
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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 (...) -
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 (...) -
Que fait exactement ce script ?
18 janvier 2011, parCe script est écrit en bash. Il est donc facilement utilisable sur n’importe quel serveur.
Il n’est compatible qu’avec une liste de distributions précises (voir Liste des distributions compatibles).
Installation de dépendances de MediaSPIP
Son rôle principal est d’installer l’ensemble des dépendances logicielles nécessaires coté serveur à savoir :
Les outils de base pour pouvoir installer le reste des dépendances Les outils de développements : build-essential (via APT depuis les dépôts officiels) ; (...)
Sur d’autres sites (9688)
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Is ffmpeg running in CPU or GPU ?
25 mai 2021, par Raghul SelvarajIt has been shown in the link





https://dri.freedesktop.org/wiki/IntelPerformanceTuning/

 

Step 2 : CPU vs GPU





that if the CPU % is more than 90 then the app is running in CPU.



While configuring ffmpeg, I enabled opencl. ffmpeg configurations are,



ffmpeg version ebe0fa0 Copyright (c) 2000-2015 the FFmpeg developers
 built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
 configuration: --enable-gpl --enable-libx264 --enable-opencl --enable-nonfree --enable-libmfx --enable-libmp3lame --enable-libaacplus
 libavutil 54. 31.100 / 54. 31.100
 libavcodec 56. 60.100 / 56. 60.100
 libavformat 56. 40.101 / 56. 40.101
 libavdevice 56. 4.100 / 56. 4.100
 libavfilter 5. 40.101 / 5. 40.101
 libswscale 3. 1.101 / 3. 1.101
 libswresample 1. 2.101 / 1. 2.101
 libpostproc 53. 3.100 / 53. 3.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...




But while running ffmpeg using the command



ffmpeg -i /home/M.mp4 -c:v h264 -preset:v faster /home/out.avi



the CPU% has been more than 90 (375%).



In case of ImageMagick, if I enable opencl while configuring, then the app will run in GPU, i.e., the CPU% will be less than 90. I noticed that.



But in case of ffmpeg, it is GPU accelerated one. Then, Why the CPU% is more than 90% ? Is the ffmpeg running in CPU or GPU ? If it is not, how can I make it to run in GPU ?


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what is the best way to append a video file to multiple video files using batch file [on hold]
5 avril 2017, par JAGGADAKUi am beginner with computer programming and i have knowledge of c/c++
from [https://trac.ffmpeg.org/wiki/Concatenate][1] i have learned that how to merge video files using ffmpeg
To list all video files containing in a folder
(for %%i in (*.mp4) do @echo %%i) > mylist.txt
to concatenate files
ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4
This merges all files of a list to one single file.
but How do i append one video file(main.mp4) at the starting of all the video files listed in mylist.txt ?can someone help me ?
Hello there
i have tried following code i don’t know what’s wrong with it but it is not `
@echo off
(for %%i in (*.mp4) do @echo %%i) > mylist.txt
for /F "tokens=*" %%A in (mylist.txt) do (
echo %%A
ffmpeg -i "concat:main.mp4|%%A" -c copy %%Aoutput.mp4
)
` -
Make an Alpha Mask video from PNG files
15 juin 2019, par Archimedes TrajanoFor RenPy it uses the notion of an Alpha Mask video https://www.renpy.org/doc/html/movie.html#movie-displayables-and-movie-sprites
I can convert the a bunch of PNGs with alpha channel to http://wiki.webmproject.org/howtos/convert-png-frames-to-webm-video I was wondering how to do the same sort of thing without creating another set of PNG files with just the alpha frame.
I’ll be okay with something that uses imagemagik in the middle if needed.