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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (95)
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MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
Multilang : améliorer l’interface pour les blocs multilingues
18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela. -
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 (...)
Sur d’autres sites (6904)
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libavcodec/jpeg2000_parser : Speed up long skips
20 mai 2022, par Tomas Härdin -
Any way to speed up this side by side video merging FFMPEG command ?
25 mai 2022, par JohnI am taking two mp4 videos and putting them side by side with a slight zoom so it looks better. Right now the best I get is speed at 7x which will still take a long time for an hour-long MP4 video (not to mention the size with ultrafast). Is there anything else I can do ? I thought maybe scaling and cropping first, then combining with copying video and audio but that doesn't appear to be faster.


ffmpeg -y -i input1.mp4 -i input2.mp4 -filter_complex "[0]scale=-2:720,crop=640:720[v0];[1]scale=-2:720,crop=640:720[v1];[v0][v1]hstack;[0:a][1:a]amerge[a]" -strict experimental -map 0:v -map '[a]' -ac 1 -preset ultrafast -vsync 0 output.mp4



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FFmpeg change video speed with -r vs -filter and setpts
6 mai 2022, par simplesystemsIf I want to change the video speed with ffmpeg,


what exactly is the difference changing the fps :


ffmpeg -y -r 10 -i video.mp4 video_new_fps.mp4


or using filter and setpts :


ffmpeg -i video.mp4 -filter:v "setpts=PTS*3" -an video_new_fps.mp4


It seems that with both options I can speed up or slow down the video.


So which one should be used in which case ?