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Mot : - Tags -/Christian Nold

Autres articles (58)

  • Submit enhancements and plugins

    13 avril 2011

    If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
    You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone.

  • Utilisation et configuration du script

    19 janvier 2011, par

    Informations spécifiques à la distribution Debian
    Si vous utilisez cette distribution, vous devrez activer les dépôts "debian-multimedia" comme expliqué ici :
    Depuis la version 0.3.1 du script, le dépôt peut être automatiquement activé à la suite d’une question.
    Récupération du script
    Le script d’installation peut être récupéré de deux manières différentes.
    Via svn en utilisant la commande pour récupérer le code source à jour :
    svn co (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

Sur d’autres sites (12338)

  • MPEG-DASH MPD file not playing correctly

    24 juin 2017, par CMOS

    So I am working on generating a very simple MPD manifest file for my MPEG-DASH videos and I cannot figure out what is wrong. Here is my current manifest file

    <?xml version="1.0" ?>
    
<mpd xmlns="urn:mpeg:dash:schema:mpd:2011" minbuffertime="PT1.500S" type="static" mediapresentationduration="PT0H9M21.795S" maxsegmentduration="PT0H0M1.001S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011">
    
    <period>
    
        <baseurl>https://mysite/uploads/sources/resolution_640/bitrate_1400/</baseurl>
    
        <adaptationset mimetype="video/mp4">
    
            <contentcomponent contenttype="video"></contentcomponent>
    
            <representation bandwidth="1400000">
    
              <segmentlist duration="119">
    
                <initialization sourceurl="https://mysite/uploads/sources/resolution_640/bitrate_1400/640x360_1400Kpbs_0.mp4"></initialization>
    
                <segmenturl media="https://mysite/uploads/sources/resolution_640/bitrate_1400/640x360_1400Kpbs_1.mp4"></segmenturl>
    
                <segmenturl media="https://mysite/uploads/sources/resolution_640/bitrate_1400/640x360_1400Kpbs_2.mp4"></segmenturl>
    
                <segmenturl media="https://mysite/uploads/sources/resolution_640/bitrate_1400/640x360_1400Kpbs_3.mp4"></segmenturl>
    
              </segmentlist>
    
            </representation>
    
        </adaptationset>
    
    </period>
    
</mpd>

    This MPD file validates using every validator I can find. The urls for the segments are obscured for security reasons but they are all open, public and viewable individually. But when I try to run the manifest file, depending on the player I get. "No supported source found within manifest" or simply nothing happens.

    Any idea how this could be wrong ? I am currently using media url’s as absolute paths but I have also tried paths relative to the BaseURL with no luck. Any info on how I can make a very simple MPEG-Dash manifest structure would be great. I am using FFMPEG to split my video up into 150 frame segments. Thanks !

  • fate/vpx : Move webm-dash-manifest tests to a new file

    28 avril 2022, par Andreas Rheinhardt
    fate/vpx : Move webm-dash-manifest tests to a new file

    These tests have basically nothing to do with VPX (they do not even
    
require the decoder).
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
    • [DH] tests/Makefile
    • [DH] tests/fate/vpx.mak
    • [DH] tests/fate/webm-dash-manifest.mak

  • Concatenate DASH audio and video to single file

    18 mars 2019, par Andreas

    First of all, I have a folder with about 200 video and audio segments (m4v and m4a) of a video that was live streamed as DASH video. Now - without having the original file - I want to concatenate those parts to a single, playable video file.

    To mention what I already tested :

    • concatenate via the Unix terminal command cat ; unfortunately this won’t help to make the video playable in any media player again
    • using ffmpeg’s merge abilities via files.txt ; with the same unsuccessful result

    I’m definitely not an expert (otherwise I probably wouldn’t ask) but the problem may be also the missing mpd and/or init file (as far as I could skim in the standard).

    Don’t get me wrong : I don’t want to get a bit to bit identical result of the original file. All I want to achieve is a single playable mp4 file of aforesaid video.

    I also tried to make a own mpd file, but the "stream" won’t play. FYI, I tried playing it in the current VLC 3.0.0 git, since the current stable versions seems not to support DASH.
    If it helps, here the video codec :

    id="live-hd_H264"
    
mimeType="video/mp4"
    
codecs="avc1.4d401f"
    
width="396"
    
height="704"

    So, can anybody help me ?

    Kind regards !

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