Recherche avancée

Médias (0)

Mot : - Tags -/metadatas

Aucun média correspondant à vos critères n’est disponible sur le site.

Autres articles (101)

  • 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 (...)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    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 (...)

  • Librairies et binaires spécifiques au traitement vidéo et sonore

    31 janvier 2010, par

    Les logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
    Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
    Binaires complémentaires et facultatifs flvtool2 : (...)

Sur d’autres sites (8119)

  • libavdevice.so.57 : failed to map segment from shared object : Permission denied"

    10 septembre 2016, par user3579130

    I have successfully installed ffmpeg ver. 4.4.7 on centos, with shared enabled as such :

    [root@localhost ~]# ffmpeg
    
ffmpeg version N-81555-g496d97f Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-17)
    
  configuration: --prefix=/usr/local/ffmpeg_build --extra-cflags=-I/usr/local/ffmpeg_build/include --extra-ldflags=-L/usr/local/ffmpeg_build/lib --bindir=/usr/local/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libx264 --enable-libx265 --enable-shared
    
  libavutil      55. 29.100 / 55. 29.100
    
  libavcodec     57. 54.102 / 57. 54.102
    
  libavformat    57. 48.102 / 57. 48.102
    
  libavdevice    57.  0.102 / 57.  0.102
    
  libavfilter     6. 60.100 /  6. 60.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  1.100 /  2.  1.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Hyper fast Audio and Video encoder
    
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

    However, when I run in php, through exec I get

    "/usr/local/bin/ffmpeg : error while loading shared libraries :
    libavdevice.so.57 : failed to map segment from shared object :
    Permission denied"

    I know the web server executes the command as user ’apache’ and not root, but I installed ffmpeg in /usr/local/ffmpeg_build for that specific reason, so that the regular users can use ffmpeg.

    What did I miss ? What does this error mean ?

  • ffmpeg - does the position of the "-preset" option matter ?

    14 juillet 2020, par Vahid Pazirandeh

    Does it matter where in the order of arguments I place the -preset option ? Ex :

    


    ffmpeg -i source.mp4 -c:v libx264 -b:v 1.5M -c:a aac -b:a 128k -preset fast target.mp4


    


    vs.

    


    ffmpeg -i source.mp4 -preset fast -c:v libx264 -b:v 1.5M -c:a aac -b:a 128k target.mp4


    


  • " No NVENC capable devices found" with ffmpeg for screen capture and RTP stream

    7 octobre 2019, par Thadeu Antonio Ferreira Melo

    I´m trying to stream my Desktop with RTP using ffmpeg.

    libx264 seems to work fine. But I would like to test the performance of a hardware accelerated codec.

    ffmpeg -re -f dshow -i video="screen-capture-recorder" -vcodec libx264 -tune zerolatency -preset ultrafast -an -f rtp rtp://192.168.0.1

    The NVENC codec works fine in other situations like this

    ffmpeg -y -rtbufsize 2000M -f gdigrab -framerate 60 -offset_x 0 -offset_y 0 -video_size 1280x1080 -i desktop -c:v nvenc -preset:v fast -pix_fmt nv12 out.mp4

    The Codec also apears in the list of available codecs.

    However this command doesn´t work

    ffmpeg -re -f dshow -i video="screen-capture-recorder" -vcodec nvenc -preset llhq -an -f rtp rtp://192.168.0.1

    My machine is a Windows 10 with GTX 760

Navigation