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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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Add a fixed size image on a video, regardless of the video width & height FFMPEG [duplicate]
30 juillet 2017, par RitaThis question already has an answer here :
This is my code that that is use is following
$info = pathinfo($file) ; $out = "$info[’dirname’]/ss_$info[’basename’]" ; exec("ffmpeg -i ’".$file."’ -i ’".SS_ROOT."".$ss->settings[’watermark_image’]."’ -filter_complex ’overlay=main_w-overlay_w-10:main_h-overlay_h-10’ ’".$out."’") ;
that works very well, but it doesn’t keep the logo aspect ratio. I tried this code on two videos with different resolution and this is the result
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FFmpeg for automatic video generation from images ?
22 janvier 2018, par Dionisis KI want to implement an automatic video generation from images, like facebook’s anniversary video. And I would also like to add some filters. I’ve been searching a lot and read FFmpeg’s documentation which is pretty amazing.
In the future I want to have 10-20 "bashscripts" with different filters leading to different themes (e.g. fade-in, zoom, overlay images, left-to-right, etc..)
So my biggest concern is having an interface which offers readable code and provides scalability. Since ffmpeg is a bashscript i searched for a wrapper
There are wrappers in
- https://github.com/PHP-FFMpeg/PHP-FFMpeg for php ,which doesn’t support image convertion to videos and complex filters .
- https://github.com/fluent-ffmpeg/node-fluent-ffmpeg which looks promising but also difficult to go with complex filters
- and https://github.com/kkroening/ffmpeg-python for python.I think that it s pretty good
Are there any other wrappers worth to check ?
Would you recommend something from the above ?
Is there any pros and cons using a specific programming language for this particular case ?
Is there anything else i should bear in mind before I make a decision ? -
Accord.Video.FFMPEG getting error for long video
30 novembre 2022, par wahyuI use Accord.Video.FFMPEG to extract images every 10 frames from a video. Total frames for this video is 38194 frames. First run is good, I can save image every 10 frames but after run of about 38185 frames i got null return from this code
Bitmap bmpBaseOriginal = vReader.ReadVideoFrame();
, if I see in the video there is no problem at the end of video.

I do something like this


using (var vReader = new VideoFileReader())
{
 vReader.Open(files[0]);
 TotalFrame = vReader.FrameCount;
 countin = Convert.ToInt32(TotalFrame / Convert.ToDouble(countAsset));
 Fps = vReader.FrameRate.Value; 
 int a = 0;
 for (int i = 0; i < vReader.FrameCount; i++)
 {
 if(i < vReader.FrameCount - 1)
 {
 Bitmap bmpBaseOriginal = vReader.ReadVideoFrame();
 if (i%10 == 0)
 {
 a++;
 bmpBaseOriginal.Save(string.Format("{0}\\{1}.jpeg", dirVideo.FullName, a), ImageFormat.Jpeg);
 }
 bmpBaseOriginal.Dispose();
 }
 else
 {
 a++;
 Bitmap bmpBaseOriginal = vReader.ReadVideoFrame();
 bmpBaseOriginal.Save(string.Format("{0}\\{1}.jpeg", dirVideo.FullName, a), ImageFormat.Jpeg);
 bmpBaseOriginal.Dispose();
 }
 }
 vReader.Close();
}



this problem occurs again on another video if the video has a lot of frames, but no problem if the video has a less frames.


How to solve it ?