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Autres articles (60)
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
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 (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)
Sur d’autres sites (8741)
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ffmpeg : given a video of any length, create timelapse video of 6-8 seconds long
14 mai 2018, par CDubI have an application which consumes video of any length (could be a few seconds, could be several minutes) and I want to use
ffmpeg
to return a "timelapse" version of the input video which will always be between 6 and 8 seconds long.I’ve been fiddling with the following :
ffmpeg -y -i in.mp4 -r 10 -vf setpts='0.01*PTS' -an out.mp4
Which seems to be a good start, but still generates very dynamic results given what
in.mp4
is.I also don’t fully understand the verbiage in the ffmpeg documentation, so I’m not even sure what arguments to use for
setpts
, or ifsetpts
is the correct filter I want to use. -
Is there a way to display video, then an image, then more video using OpenCV ?
24 septembre 2015, par kdibene1I have a bunch of frames (jpg images) and want to stitch some of them together and make a video, then display one image (essentially repeating the same frame for a number of seconds) and then stitch more frames together and continue playing the video. I want it to be continuous with no interruptions, is this possible ? I know about avconv and ffmpeg, but they only stitch together frames and make a video, they do not simply display a frame over and over again like with ImageMagick. Essentially what I want to do is take a bunch of image frames, stitch them together to an arbitrary point, then display an image, then stitch together the remaining frames to a video.
Can anyone help ?
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Overlay video with a transparent Video using FFMPEG
25 juin 2017, par VikashI want to overlay two videos one over another using ffmpeg. I am able to do it, but i want to make the 2nd video transparent so that the base video can be visible.