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Autres articles (75)

  • 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 is the first MediaSPIP stable release.
    Its official release date is June 21, 2013 and is announced here.
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • 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 (7117)

  • How to display live web camera video into video player using ffmpeg

    30 octobre 2013, par Akash Langhani

    I want to use live camera video and play same time in a video player, means record and play parallel, can ffmpeg perform this, if yes then how.

  • FFMPEG video compression take too much time to compress the video

    1er janvier 2015, par Usman Afzal

    Video Upload Stats

    15 Sec Video on Samsung galaxy S5

    Using back camera : 6.86 MB [15.8 sec]

    Compress File Size : 1.33 MB

    Compression Time : 40-50 sec

    Following command I have used to compress this video file.

    [/data/data/{app-package-name}/app_bin/ffmpeg, -y, -i, /storage/emulated/0/Android/data/{app-package-name}/files/my-video-library/videos/1420020518900.mp4, -strict, -2, -b:v, 700k, -s, 640x360, -r, 30, -vcodec, libx264, -acodec, aac, -ac, 1, -b:a, 64k, -ar, 44100, -vf, vflip, /storage/emulated/0/Android/data/{app-package-name}/files/my-video-store/videos/acbfc5d3-b6c1-4cb8-89db-13aa49003760.mp4]

  • Audio/Video de-synchronisation when playing a video on Chrome

    30 novembre 2020, par Sonia Seddiki

    I've been recently working on a project where I try to play a "custom-made" video on an HTML5 player. By custom-made, I mean I concatenate a bunch of videos together using FFmpeg concat demuxer, each of them having the same properties (FPS, bitrate, resolution, timebase, etc).

    


    Now, I'm having a few issues regarding audio/video synchronisation, with a twist : it does not happen on every video player. The video is perfectly synchronised when read on Firefox, but not on Chrome. It is synchronised when read on a "local" video player like VLC.

    


    I assume it has to do with how the video data is presented to the player. I read a little about PTS, DTS, I-P-B frames and I guess the final output may be a little messed up ? But I don't really have a strong lead to follow here.

    


    I tried to find info on how the HTML5 player was implemented by both browsers, but couldn't find much (again, I'm probably not googling this right). Does anyone here know a bit more about the technical aspect of how a video is actually played in a browser ? Or any clue as to why this de-synchronisation doesn't happen on every platform ?

    


    Thank you so much for your help !

    


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