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Autres articles (48)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • 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 (9135)

  • Clang cannot find dependency of a shared library

    27 juillet 2021, par zana zakaryaie nejad

    I have a project with two submodules (say A and B). A depends on FFmpeg and B depends on A. Clang successfully finds FFmpeg and builds libA.so but it fails to build libB.so because it can't find FFmpeg ! The strange thing is that GCC can handle this. When I move find_package(FFmpeg) from submodule A's CMakelists to the project's CMakelist, then libB.so is successfully built. But this is an ugly solution. Any suggestion for the reason behind this strange behaviour ?

    


  • FFMpeg Unable to find suitable output format [duplicate]

    15 septembre 2015, par Steven

    This question already has an answer here :

    I would like to capture a single image from my webcam using FFMpeg but the following command returns with an error. Any ideas ?

    ffmpeg -f dshow -i video="Integrated Webcam" -t 1 –r 25 c:\temp\image%d.jpg

    Here is the text from the command line window.

    C:\Users\User\Downloads\FFMPeg\ffmpeg-20150915-git-8e92462-win64-static\bin>f
    
fmpeg -f dshow -i video="Integrated Webcam" -t 1 -r 25 c:\temp\image%d.jpg
    
ffmpeg version N-75287-g8e92462 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 4.9.3 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
    
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
    
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
    
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
    
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
    
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
    
 --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
    
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --ena
    
ble-decklink --enable-zlib
    
  libavutil      55.  2.100 / 55.  2.100
    
  libavcodec     57.  1.100 / 57.  1.100
    
  libavformat    57.  0.100 / 57.  0.100
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6.  3.100 /  6.  3.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.100 /  2.  0.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, dshow, from 'video=Integrated Webcam':
    
  Duration: N/A, start: 417955.980000, bitrate: N/A
    
    Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 30 tbr,
    
10000k tbn, 30 tbc
    
[NULL @ 000000000304a5e0] Unable to find a suitable output format for 'ΓÇôr'
    
ΓÇôr: Invalid argument

  • Where to find information about decoding Mpeg-4 files ?

    11 août 2021, par Tobias S.

    I have just used ffmpeg to convert a video file to AVI. When I run ffprobe on the output file, I see that mpeg4 (Simple Profile) is used as Codec for the Video stream. Where can i find information on how to decode and interpret Mpeg4 files (like the standard PDF) ? Or is Mpeg4 the same as H.234 ?

    


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