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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (52)
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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 (7834)
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Rendering list of images over a video with ffmpeg does not work if video has audio
12 mai 2023, par Alex StirkenI'm using FFmpegKit for Flutter to render a list of changing images onto a video.
Im using the following arguments :


final arguments = [
 '-y',
 '-i', inputVideoPath,
 '-framerate', '$fps',
 '-start_number', '100',
 '-i', '${tempDirectoryPath}/%3d.png',
 '-filter_complex', '[1:v]scale=720:1280 [ovrl]; [0:v][ovrl]overlay=0:0,format=yuv420p[v]',
 '-map', '[v]',
 '-c:v', 'libx264',
 "-preset", "medium",
 '-pix_fmt', 'yuv420p',
 '-shortest',
 '$outputFilePath'
];



It works like a charm as long as the video file (.mp4) has no audio stream. If the video has an audio stream, only the first image is getting rendered (overlayed) over the video.


Any suggestions ?


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Create time lapse video from other video
17 décembre 2023, par OrlandoUsing avconv (or even ffmpeg, so I can use as a reference), how can I create a time lapse video by taking only anchor/reference frames from another video ? Most information I find is on how to create a time lapse video by combining images, and I'd like to do it by extracting frames from a video. Say, if a video is 30 seconds long at 30 FPS, I'd like to take 60 out of those 900 frames (900/60 = every 15 seconds) to produce a 2 second video.


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Create time lapse video from other video
27 janvier 2017, par OrlandoUsing avconv (or even ffmpeg, so I can use as a reference), how can I create a time lapse video by taking only anchor/reference frames from another video ? Most information I find is on how to create a time lapse video by combining images, and I’d like to do it by extracting frames from a video. Say, if a video is 30 seconds long at 30 FPS, I’d like to take 60 out of those 900 frames (900/60 = every 15 seconds) to produce a 2 second video.