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Autres articles (111)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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 (...)

Sur d’autres sites (10586)

  • Convert MP4 to MPEG-DASH with multiple bitrates

    3 août 2020, par Java

    Is there any simple way to convert a MP4 to MPEG-DASH.
I have tried so many resources but nothing works. I want at least a SD and a HD version.

    


  • ffmpeg - capture defined playlist from MPEG-DASH

    11 février 2021, par Klode

    I'm working on capture a public MPEG-DASH streaming. I want to use ffmpeg in order to generate a playable MKV without other software (like streamlink).

    


    So, I can read all playlists inside the MPEG-DASH, each for every bandwidth for video, like 432p, 576p, 720p, and different bandwidth for 1080p. So I can get these playlists and their properties, like the Name.

    


    I want to select one of these playlist and capture this single playlist only with ffmpeg, but I cannot understand which command I can use.

    


    Thanks so much for your help.

    


  • SegmentedIndexBox (SIDX) not generated when using WEBM over DASH

    11 juillet 2014, par Flock Dawson

    I’m trying to get the Industry Format DASH player to work with WEBM audio/video files. However, I’m running in the same error again and again, and Google doesn’t seem to give much help.

    To start with, I created different streams of the same file (different resolutions and bitrates) using this tutorial : https://developer.mozilla.org/en-US/docs/Web/HTML/DASH_Adaptive_Streaming_for_HTML_5_Video

    Then, I downloaded the Industry Format DASH player (http://dashif.org/software/) and pointed it to the DASH manifest I created. When I try to play the video in Chrome, I get the following log :

    Parsing complete: ( xml2json: 3ms, objectiron: 2ms, total: 0.005s) dash.all.js:3
    
Manifest has loaded. dash.all.js:3
    
MediaSource is open! dash.all.js:3
    
Event {clipboardData: undefined, path: NodeList[0], cancelBubble: false, returnValue: true, srcElement: MediaSource…}
    
dash.all.js:3
    
Video codec: video/webm;codecs="vp8" dash.all.js:3
    
No text tracks. dash.all.js:3
    
Audio codec: audio/webm;codecs="vorbis" dash.all.js:3
    
Duration successfully set to: 27.2 dash.all.js:3
    
Perform SIDX load: https://*****/street_orig_125k_final.webm dash.all.js:3
    
Perform SIDX load: https://*****/street_audio_final.webm dash.all.js:3
    
Uncaught RangeError: Offset is outside the bounds of the DataView

    From this log, I distilled that the manifest is fetched and processed correctly, but something goes wrong when trying to process the SIDX (SegmetIndexBox). I tried another (third-party) source, which works perfectly. I analysed the response returned by the server when trying to fetch the SIDX, and when converted to a readable presentation, the text ’Dsidx’ can be found in this response. So, I analyzed the WEBM file I provide (hexdump and grep), but I cannot find such a SIDX. My conclusion is that the SIDX is never added to the WEBM file.

    From the tutorial I used, I guess the generation of the SIDX is handled by the samplemuxer command, which does not offer any additional parameters. Is there anyone who has more experience in generating this SIDX ?

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