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Autres articles (60)
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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
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 -
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (7885)
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Multiple video sources combined into one
28 septembre 2011, par OdedI am looking for an efficient way to do the following :
Using several source videos (of approximately the same length), I need to generate an output video that is composed of all of the original sources each running in its own area (like a bunch of PIPs in several different sizes). So, the end result is that all the original are running side-by-side, each in its own area/box.
The source and output need to be
flv
and the platform I am using is Windows (dev on Windows 7 64bit, deployment to Windows server 2008).I have looked at avisynth but unfortunately it can't handle
flv
and non of the plugins and flv splitters I have tried worked.My current process uses ffmpeg in the following manner :
- Use ffmpeg to generate 25 png's per second per video, resizing the original as needed.
- Use the
System.Drawing
namespace to combine each set of frames into a new image, starting with a static background, then loading each frame into anImage
and drawing to the backgroundGraphics
object - this gives me the combined frames. - Use ffmpeg to combine the generated images to a video.
All this is very IO intensive (which is my processing bottleneck at the moment) and I feel there must be a more efficient way to reach my goal. I do not have much experience with video processing, and don't know what options are out there.
Can anyone suggest a more efficient way of processing these ?
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How to write a video encoder with ffmpeg ?
27 décembre 2013, par SunnyShahI want to write an encoder with ffmpeg which can put iFrames (keyframes) at positions I want. Where can I found tutorials or reference material for it ?
P.S
Is it possible to do this with mencoder or any opensource encoder. I want to encode H263 file. I am writing under & for linux. -
Which is better for pixel-level analysis of television (TV) video, OpenCV or ffmpeg ? [closed]
5 décembre 2011, par Randall CookI need to do some pixel-level analysis of television (TV) video. I have used ffmpeg in the past for analyzing video from files, but it wasn't exactly easy. I am thinking of giving OpenCV a try. Any recommendations or advice ?
Let's assume that I am starting with an MPEG-2 transport stream, and the analysis needs to run in real-time on Linux. I was also planning on using Intel's IPP library for some of the number crunching.