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  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • 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 (5825)

  • Does converting .mp4 to .mkv change data fidelity ?

    31 décembre 2020, par Will Pike

    I am wondering when I convert a .mp4 to .mkv using the following command if the quality changes.

    


    ffmpeg -i in.mp4 out.mkv


    


    The input file, in.mp4 has a file size of 297 megabytes, while the out.mkv file has a size of 249 megabytes, 15% lower. Upon manual inspection, the resolution, video, and audio streams are the same before/after (as I would have expected given my (limited) knowledge of ffmpeg).

    


    Is the 15% size decrease by simply converting to mkv actually not affect the quality of the video ? If so this seems like a very reasonable way of freeing up some space on my computer.

    


  • FFmpeg library in WPF

    20 avril 2022, par MikeTMG

    I am building a softwere that can decode and encode using Wpf and c#, and I want to do that using, FFmpeg libary. I saw the ffmpeg autogen warpper but I couldn't find any documantion for its function.
Can someone please find me one ? Or better, give me better warrper.

    



    I already tried FFMpegCore, its working but very slow. For Exaple it takes 20 seconds to decode a specific frame.(And i have monstruos computer)
If will be happy if ou could give me better warpper, or a guide for ffmpeg.autogen.
Thanks in advance.

    


  • ffserver streaming h.264 raw data

    11 novembre 2014, par Samuel David Hudson

    I have a c++/openGL application which generate a .h264 stream using a hardware encoder (nvidia grid). Im using ffserver to serve the stream to be consumed via a url.

    The application writes out the stream data to a file on disk, which gets added to as time goes by.

    ffserver.conf

    # Port on which the server is listening. You must select a different
    
# port from your standard HTTP web server if it is running on the same
    
# computer.
    
HttpPort 8090
    

    
<stream>
    
    File "/home/ec2-user/demo/movie.h264"
    
    NoAudio
    
    Format mpegts
    
</stream>

    The problem i am having is that whenever you view the stream, it starts from the begining of the data, rather than from ’now’. I want the stream to be as realtime as possible.

    Does anyknow know how i might achieve this ?

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