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Autres articles (91)
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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 (...) -
Participer à sa documentation
10 avril 2011La documentation est un des travaux les plus importants et les plus contraignants lors de la réalisation d’un outil technique.
Tout apport extérieur à ce sujet est primordial : la critique de l’existant ; la participation à la rédaction d’articles orientés : utilisateur (administrateur de MediaSPIP ou simplement producteur de contenu) ; développeur ; la création de screencasts d’explication ; la traduction de la documentation dans une nouvelle langue ;
Pour ce faire, vous pouvez vous inscrire sur (...) -
Gestion de la ferme
2 mars 2010, parLa ferme est gérée dans son ensemble par des "super admins".
Certains réglages peuvent être fais afin de réguler les besoins des différents canaux.
Dans un premier temps il utilise le plugin "Gestion de mutualisation"
Sur d’autres sites (6863)
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ffmpeg concat with different codecs in python
14 avril 2020, par Hans Lutz van Tastiquei'm working on a videopipeline project and try to add some stuff for it.
Atm it's running fine until the code reach this point :



os.system('ffmpeg -i ' + self._rendition + ' -i ' + self._outChunk + ' -filter_complex "[0:0][1:0]concat=n=2:v=1:a=0[outv]" ' + self._tempRenditon)



There is no error message or anything else. It is used to link individual chunks with different codec parameters. After this line it's just telling me that it cant find
self._tempRendition.


Did i made an mistake with the
os.systemcall ?


thx and greetz


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FFMPEG multiple styles in .srt file
7 décembre 2020, par TimI have an SRT file and want to change the background color and level of transparency for individual tracks. Is this possible, or would I have to adopt a more advanced format ? Would this task even work in FFMPEG ?


1
0:0:1,440 --> 0:0:1,970 Y1:20
<font color="#FF1F497D">{\an2}the settlement?</font>
2
0:0:2,640 --> 0:0:3,150 Y1:20
<font color="#FFC0504D">{\an2}Yes.</font>
3
0:0:3,740 --> 0:0:4,690 Y1:20
<font color="#FFFFFFFF">{\an2}Have you been waiting long?</font>


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Remapping multiple Mp4 videos into a single one with ffmpeg
21 septembre 2016, par Josep BoschI’m interested in remapping multiple (6) MP4 videos into a high resolution final video according to lookup tables I calculated. The idea is convert 6 independent videos in a 360º video according to an equirectangular projection.
Example of equirectangular video hereIs there a way to do this remapping with ffmpeg or any other linux program ?
Right now I’m extracting all the frames from the videos, creating the equirectangular individual images and joining them again into a video. There must be a better way for this...UPDATE :
Following Mulyva’s suggestion I first remap each individual video using the remap filter. Those parts of the panoramic video not covered are interpreted like chromakey pixels using :
ffmpeg -i videos/camera1.MP4 -i camera0_map_x_radius5.pgm -i camera0_map_y_radius5.pgm -lavfi remap -qscale 1 out0.MP4
Then I try to overlay them using the chomakey filter :
ffmpeg -i out0.MP4 -i out1.MP4 -filter_complex "[1:v]chromakey=0x12da11:0.2:0.2[chromakey_res];[0:v][chromakey_res]overlay=eof_action=pass[out]" -map "[out]" out.mp4As you can see, the final result has an undesirable green shadow. Any idea of how to remove it ?
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