Recherche avancée

Médias (0)

Mot : - Tags -/xmlrpc

Aucun média correspondant à vos critères n’est disponible sur le site.

Autres articles (94)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP 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 (...)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

Sur d’autres sites (7240)

  • Removing lagspikes in video with using mpdecimate in FFmpeg

    2 novembre 2020, par Stratos2 - no videos here

    I frequently deal with .mp4 footage files which are game recordings from my computer. Because I'm dealing with a laggy game I end up with footage that has both duplicate frames and a variable frame rate. I want to cut out lagspikes from my video, lagspikes that can have the form of variable frame rates and/or duplicate frames. The end goal is to have video with a constant frame rate and no more lagspikes.
I'm well aware that this will destroy or at least damage the audio, but keeping the audio intact is not necessary for my application.

    


    I have come across the mpdecimate filter for FFmpeg. As far as I have seen this is able to remove duplicate frames, however it does this in a way that does not make the output file a shorter video, but it introduces more variable frame rate.

    


    Is it possible to reach my goal with FFmpeg ? And if so, how ?

    


    Thanks in advance for help !

    


  • Removing lagspikes in videos using mpdecimate in FFmpeg

    4 novembre 2020, par Stratos2 - no videos here

    I frequently deal with .mp4 footage files which are game recordings from my computer. Because I'm dealing with a laggy game I end up with footage that has both duplicate frames and a variable frame rate. I want to cut out lagspikes from my video, lagspikes that can have the form of variable frame rates and/or duplicate frames. The end goal is to have video with a constant frame rate and no more lagspikes.
I'm well aware that this will destroy or at least damage the audio, but keeping the audio intact is not necessary for my application.

    


    I have come across the mpdecimate filter for FFmpeg. As far as I have seen this is able to remove duplicate frames, however it does this in a way that does not make the output file a shorter video, but it introduces more variable frame rate.

    


    Is it possible to reach my goal with FFmpeg ? And if so, how ?

    


    Thanks in advance for help !

    


  • Trying to capture display output for real-time analysis with OpenCV ; I need help with interfacing with the OS for input

    26 juillet 2024, par mirari

    I want to apply operations from the OpenCV computer vision library, in real time, to video captured from my computer display.
The idea in this particular case is to detect interesting features during gameplay in a popular game and provide the user with an enhanced experience ; but I could think of several other scenarios where one would want to have live access to this data as well. 
At any rate, for the development phase it might be acceptable using canned video, but for the final application performance and responsiveness are obviously critical.

    



    I am trying to do this on Ubuntu 10.10 as of now, and would prefer to use a UNIX-like system, but any options are of interest.
My C skills are very limited, so whenever talking to OpenCV through Python is possible, I try to use that instead.
Please note that I am trying to capture NOT from a camera device, but from a live stream of display output ; and I'm at a loss as to how to take the input. As far as I can tell, CaptureFromCAM works only for camera devices, and it seems to me that the requirement for real-time performance in the end result makes storage in file and reading back through CaptureFromFile a bad option.

    



    The most promising route I have found so far seems to be using ffmpeg with the x11grab option to capture from an X11 display ;
(e.g. the command
ffmpeg -f x11grab -sameq -r 25 -s wxga -i :0.0 out.mpg
captures 1366x768 of display 0 to 'out.mpg').
I imagine it should be possible to treat the output stream from ffmpeg as a file to be read by OpenCV (presumably by using the CaptureFromFile function) maybe by using pipes ; but this is all on a much higher level than I have ever dealt with before and I could really use some directions. 
Do you think this approach is feasible ? And more importantly can you think of a better one ? How would you do it ?

    


Navigation