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Autres articles (48)

  • Gestion générale des documents

    13 mai 2011, par

    MédiaSPIP ne modifie jamais le document original mis en ligne.
    Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
    Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • 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 (4723)

  • Is it possible to make ffmpeg faster while compressing the video using hardware acceleration ? Intel GPU

    9 janvier 2019, par Mesut Can

    I am trying to compress my mxf file sized with 58GB to mp4 file in order to get smaller file. By the way I need to protect 4 of 5 streams(only videos) in my original mxf file. It takes 1 hour to compress and I am using a command like below.

    I tried some commands and hardware accelerator option.

    ffmpeg -loglevel error -hwaccel qsv -i filename.mxf -map 0.0 -map 0.1 -map 0.2 -map 0.3 -map 0.4 -c:v h264_qsv -preset veryfast outputfile.mp4

    Is there any option that I can make it faster and smaller size ? Thank you.

  • FFmpeg concat artifcats when using a re-encoded file

    14 juin 2022, par MP5_Lover

    I am trying to trim an HEVC video. There is a frame at the end of the video that lingers when trimming through keyframes. Because I do not want to re-encode the entire video, I am instead trimming the majority of the video up until the problem keyframe. From there, I re-encode beginning from the keyframe to the specific frame I want the video to end at, using the same video codec and copying the audio codec. After using the command ffmpeg -f concat -safe 0 -i files.txt -c copy out.mkv, with files.txt containing in1.mkv in2.mkv, the video has a stutter and glaring artifacts.

    


    Is it not possible to re-encode only part of the video with the same codec when using concat ?

    


  • Restream RTSP stream and Record to files

    12 mai 2017, par Aly2000

    Currently I digest a series of RTSP streams from IP cameras and transcode them to multiple output formats (MPEG DASH, HLS, RTSP) on AWS cloud using Wowza Streaming Engine. However, for the majority of these streams, the only required output is RTSP. I have to record these streams, while also re-streaming them through AWS due to limited bandwidth on the source network. I am trying to replace Wowza for the streams that only require RTSP to reduce costs. However, i cannot seem to find a suitable open source tool that will allow me to re-stream the RTSP stream (as RTSP) and in parallel record to chunked mp4 files (i.e every 10 minutes). I have tried ffmpeg & ffserver, but it seems like i cannot do both (re-stream and record) the RTSP streams.

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