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Autres articles (60)

  • 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 (...)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
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  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
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Sur d’autres sites (5961)

  • hflip : make the filter accept PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

    19 mars 2011, par Peter Ross

    hflip : make the filter accept PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  • can't convert online gif to mp4 video using ffmpeg

    15 février 2023, par عبدالله لبيب

    I am trying to turn this gif into mp4 video using ffmpeg but it is not working
https://media.giphy.com/media/H7T8UdGOvOQiDf9QXj/giphy.gif

    


    I tried this code

    


    -i https://media.giphy.com/media/H7T8UdGOvOQiDf9QXj/giphy.gif output.mp4


    


    also I tried this code

    


    -f gif -i https://media.giphy.com/media/H7T8UdGOvOQiDf9QXj/giphy.gif output.mp4


    


    in both cases it did not work.

    


  • tcp : set socket buffer sizes before listen/connect/accept

    9 janvier 2017, par Joel Cunningham
    tcp : set socket buffer sizes before listen/connect/accept

    From e24d95c0e06a878d401ee34fd6742fcaddeeb95f Mon Sep 17 00:00:00 2001
    
From : Joel Cunningham <joel.cunningham@me.com>
    
Date : Mon, 9 Jan 2017 13:37:51 -0600
    
Subject : [PATCH] tcp : set socket buffer sizes before listen/connect/accept
    

    Attempting to set SO_RCVBUF and SO_SNDBUF on TCP sockets after connection
    
establishment is incorrect and some stacks ignore the set call on the socket at
    
this point.  This has been observed on MacOS/iOS.  Windows 7 has some peculiar
    
behavior where setting SO_RCVBUF after applies only if the buffer is increasing
    
from the default while decreases are ignored.  This is possibly how the incorrect
    
usage has gone unnoticed
    

    Unix Network Programming Vol. 1 : The Sockets Networking API (3rd edition, seciton 7.5) :
    

    "When setting the size of the TCP socket receive buffer, the ordering of the
    
function calls is important.  This is because of TCP’s window scale option,
    
which is exchanged with the peer on SYN segments when the connection is
    
established. For a client, this means the SO_RCVBUF socket option must be
    
set before calling connect.  For a server, this means the socket option must
    
be set for the listening socket before calling listen.  Setting this option
    
for the connected socket will have no effect whatsoever on the possible window
    
scale option because accept does not return with the connected socket until
    
TCP’s three-way handshake is complete.  This is why the option must be set on
    
the listening socket. (The sizes of the socket buffers are always inherited from
    
the listening socket by the newly created connected socket)"
    

    Signed-off-by : Joel Cunningham <joel.cunningham@me.com>
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/tcp.c

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