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  • Les tâches Cron régulières de la ferme

    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

  • 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 (...)

  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

    Le 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 (2505)

  • What video codecs work on Google Chromebook

    3 mars 2019, par MonkeyDLuffy

    I’m trying to put a show on my friends Google Chromebook but the mp4 files show up black when trying to watch them on said Chromebook, audio works fine. I found out that it is a video encoding problem but I cannot find a list of video formats that work on the Chromebook. I have ffmpeg and handbrake to try and test some things, but if someone could tell me a ffmpeg code that will convert the video files into a format that works on a Google Chromebook that would help a lot.

    What I’ve tried :

    ffmpeg -i "Game of Thrones S02E01 The North Remembers.mkv" codec mpeg "Game of Thrones S02E01 The North Remembers.mp4"

    Which gives error :

    [NULL @ 00000177196ea500] Unable to find a suitable output format for
    ’codec’ codec : Invalid argument

  • HTML5 video after FFmpeg compress set currentTime behavior defferent in browsers

    5 novembre 2019, par Qyellow

    i have a mp4 video(oceans.mp4), and i use ffmpeg compress itffmpeg -i oceans.mp4 output.mp4(output.mp4).

    then i open the origin in the chrome and safari, in the console, i write :

    var video = document.querySelector('video')
    
video.currentTime = 4.68

    the video locate the same frame(at least looks the same)

    but i open the output, it looks different !

    so i do many test :

    1. it might be the broswers difference ?
      may be not. the origin video looks totally the same
    2. it might be the some props of video ?
      i use ffprobe -show_streams -select_streams v:0  output.mp4to show and compare two videos, only has_b_frames(0 and 2) and bitrates are different

    3. it might be had_b_frames ?
      ffmpeg -i oceans.mp4 -bf 0 output.mp4
      then i use the command to set it to 0, but it do not work...(sad

    4. it might be the ffmpeg’s error !(i have no idea...)

      ffmpeg -i oceans.mp4 -vcodec copy -an output_file.mp4
      i use the command only get video but delete audio...the video is corrent

    so i have no idea why the video show different... please help me

  • HTML5 video - frame accurate seeking on Android devices ?

    27 mai 2015, par GFoley83

    I’m working on an app that requires frame accurate seeking on video in the browser, across desktop and mobile devices (including packaged apps with Cordova).

    Desktop browsers work fine as do iOS devices (both as a packaged app and through Safari) but Android devices only seem to show key frames (aka intra frames or i-frames) in the video.

    I’ve setup a test page on jsfiddle to help demo my problem.

    The video has been encoded with ZenCoder. It has a frame rate of 23.976 and key frames every 250 frames. The video itself shows the current frame index so you can easily see that only the frames at 0, 250 and 500 frames are being displayed on Android devices, regardless of where you seek to.

    At this stage I’d be happy with a solution that works in Android browsers or as a packaged app with Cordova (I’ve also tried using the Crosswalk WebView but to no avail).

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