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Autres articles (78)

  • La sauvegarde automatique de canaux SPIP

    1er avril 2010, par

    Dans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
    Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...)

  • Script d’installation automatique de MediaSPIP

    25 avril 2011, par

    Afin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
    Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
    La documentation de l’utilisation du script d’installation (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

Sur d’autres sites (8389)

  • What really causes stutter in RTSP stream ? Live555/FFMPEG server, Android Client

    2 mars 2015, par Wajih

    Ok,I am going to ask you a few simple questions after I had some lengthy arguments with my manager. I am not going to post lengthy code snippets, but just try to explain what I know and I know someone can guide me.

    1. I am working on a opensource project that contains two different streaming servers, FFMPEG and Live555. Both stream H264 video over UDP
    2. I can easily switch between the two and the client seems to understands which server it is talking to.
    3. At the android client, the code uses hardware decoding via MediaCodec apis for Android SDK 4.1.2

    From this point onward I have been arguing with my manager that video breakage and stutter are two different things, where breakage is caused by packet loss over the network. And stutter is completely different, though my knowledge about stutter is limited, I could not argue much so I turned to SO.

    I am not really sure as to why stutter is frequently occuring. Even at 0% 1% packet loss, packets encoded as H264 stream are being received at Android Client - Client tries to decode the stream and render it. I did not expect stutter to occur so frequently and so badly. I feel it sometimes even induces lag or delay in video play by couple of seconds. Stutter occurs after almost every minute or so.

    I am not really into H.264 streaming or H264 codec - both are new to me.
    May be someone can guide me in the right direction, any possibility that stutter occurs due to re-transmission of UDP packets ?

  • How to create music video using ffmpeg ?

    17 juin 2020, par Pierre Dunn

    How can I join together flac or wav file with a cover image (not only as a thumbnail, but also as a static image for all video duration) ?

    



    How to achieve the best audio quality ? Should I use 48 kHz or 44.1 kHz frequencies for my audio ?

    



    Should I tag my audio files before converting them to WebM ?

    


  • Create a subtitle mpd file with MP4box

    13 juillet 2020, par 123abc

    I'm creating a mpd file for a video player and for now I have everything to cover the video, audio and language settings but I'm struggling with the subtitles.

    


    Here's the command I used for audio and video :

    


    mp4box -dash 10000 -profile dashavc:264:onDemand -rap video/audio.mp4#audio/video


    


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