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Autres articles (44)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

Sur d’autres sites (7499)

  • ClassX installation "codec not found" due to dependencies [migrated]

    25 mars 2014, par khateeb

    ClassX is an interactive lecture streaming system developed in the Electrical Engineering Department at Stanford University.
    Unlike conventional lecture capturing systems, ClassX requires very simple consumer-grade equipment and minimal human operation.

    I faced problems during installing it, I hope you have a solution.

    BTW : I successfully installed it 2 years ago, but now I think the problem as the dependencies and Ubuntu versions are different than the versions we used two years ago.

    Detailed description of the problem :

    • I’m using Ubuntu 12.04
    • I followed the instructions @ ClassX installation guide, and all steps till step 4 are successfully done (the encoder bin file generated).
    • When trying to encode the video using the classX web system, it shows the encoding completed after few seconds.However, there are no tiles generated.

    • I tried to execute the command at CX_log.txt, and the following error appears.

      mahmoud@Mahmoud-HP-Pavilion-dv5-Notebook-PC : $ sudo perl /var/www/ClassXWebSystem/system/publishers/web/actions/encode.pl "/var/www/ClassXWebSystem/content/encoding/FALL_2013_2014/CS106A_FALL_2013_2014/lecSEven" "/var/www/ClassXWebSystem/content/encoding/FALL_2013_2014/CS106A_FALL_2013_2014/.encoding_1372706251" "/var/www/ClassXWebSystem/content/streaming/FALL_2013_2014/CS106A_FALL_2013_2014/lecSEven" "/var/www/ClassXWebSystem/system/publishers/bin" classx y n n
      [sudo] password for mahmoud :
      00068.jpg
      ..
      .
      00068.mp4
      Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ’/var/www/ClassXWebSystem/content/encoding/FALL_2013_2014/CS106A_FALL_2013_2014/.encoding_1372706251/00068.mp4’ :
      Metadata :
      major_brand : isom
      minor_version : 512
      compatible_brands : isomiso2avc1mp41
      encoder : Lavf52.39.0
      Duration : 00:02:30.05, start : 0.000000, bitrate : 8141 kb/s
      Stream #0.0(und) : Video : h264, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], 8007 kb/s, 29.95 fps, 29.97 tbr, 2997 tbn, 59.94 tbc
      Stream #0.1(und) : Audio : aac, 44100 Hz, stereo, s16, 128 kb/s
      Output #0, mp4, to ’/var/www/ClassXWebSystem/content/encoding/FALL_2013_2014/CS106A_FALL_2013_2014/.encoding_1372706251/stream0.mp4’ :
      Stream #0.0 : Video : [0][0][0][0] / 0x0000, yuv420p, 640x360, q=32-36, 64 kb/s, 90k tbn, 14.99 tbc
      codec not found

  • Export dynamic metadata using x265

    28 août 2018, par nam

    I am working on ffmpeg and x265 for video encoding. From the release note of x265 :

    HDR10+ supported. Dynamic metadata may be either supplied as a bitstream via the userSEI field of x265_picture, or as a json jile that can be parsed by x265 and inserted into the bitstream ; use —dhdr10-info to specify json file name, and —dhdr10-opt to enable optimization of inserting tone-map information only at IDR frames, or when the tone map information changes.

    But I dont know how to export the dynamic metadata from a video sequence as a userSEI or json file. Hope to get solution from you.

  • Export dynamic metadata using x265

    28 août 2018, par nam

    I am working on ffmpeg and x265 for video encoding. From the release note of x265 :

    HDR10+ supported. Dynamic metadata may be either supplied as a bitstream via the userSEI field of x265_picture, or as a json jile that can be parsed by x265 and inserted into the bitstream ; use —dhdr10-info to specify json file name, and —dhdr10-opt to enable optimization of inserting tone-map information only at IDR frames, or when the tone map information changes.

    But I dont know how to export the dynamic metadata from a video sequence as a userSEI or json file. Hope to get solution from you.

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