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Revolution of Open-source and film making towards open film making
6 octobre 2011, par
Mis à jour : Juillet 2013
Langue : English
Type : Texte
Autres articles (81)
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
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 (...)
Sur d’autres sites (9649)
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How to use to ffmpeg create video collage from a video captured by an app ? [closed]
18 février 2021, par Bharat singhI am working on a android app, which is based on video collage, in which I have to create collage from selected or captured video. There are different types of collage I have to implement. I have implemented most of them.


But I am stuck when I try to create a specific type of collage.


I have to create a collage in which all video should play one be one.


I have to combine 16 videos all together in a frame, and play them one by one.


It should be look like this :




For now all video are playing together. What should I do so that all videos play one by one ?


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ffmpeg transparent HVEC video from alpha matte and color video
16 janvier 2023, par JamesI have an alpha.mp4 (alpha matte video) and a color.mp4 (color video). How do I use ffmpeg to make a transparent HVEC (.mov) video ?


I can combine with ffmpeg to make a .webm file following the instruction here :
https://www.unscreen.com/api under "Convert unpacked Pro Bundle to WEBM video with transparency"


I have a newer mac and should be able to use HVEC_videotoolbox from either these 2 videos or the .webm file created.


The closest I found was this which seems to generate a corrupt video that cannot be viewed in safari. Use FFmpeg to generate a movie with alpha channel from separate video and fill movies ? but


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FFmpeg, video from images : how to prevent landscape image fit/stretching , when video is in portrait mode
23 janvier 2018, par Giorgi Asaturyani am working with ffmpeg library, and i am trying to create a video from list of images, and everything works well except one thing.
When i am trying to create ex. portrait video 480x800, all landscape images (800x480) becomes stretched and fit . Please see image below :)
Question : How do I fix the issue of the video to make top and bottom spaces empty , when landscape image presents in portrait video ?