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Autres articles (32)

  • Modifier la date de publication

    21 juin 2013, par

    Comment changer la date de publication d’un média ?
    Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
    Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
    Dans la rubrique "Champs à ajouter, cocher "Date de publication "
    Cliquer en bas de la page sur Enregistrer

  • 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

  • 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 (7157)

  • avfilter/af_afade : shorten crossfade on too short inputs

    1er septembre, par Niklas Haas
    avfilter/af_afade : shorten crossfade on too short inputs

    This behavior is currently completely broken, leading to an abrupt end of the
    
first audio stream. I want to generalize this filter to multiple inputs, but
    
having too short input files will always represent a significant problem.
    

    I considered a few approaches for how to handle this more gracefully, but
    
most of them come with their own problems ; in particular when a short input
    
is sandwiched between two longer ones ; or when there is a sequence of short
    
inputs. In the end, it's simplest to just shorten the crossfade window.
    

    I also considered (and tested) padding the input with silence, but this also
    
has its own aesthetic implications and strange edge cases.
    

    See-Also : https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20388
    • [DH] libavfilter/af_afade.c

  • Merge commit ’e46ad30a808744ddf3855567e162292a4eaabac7’

    4 février 2014, par Michael Niedermayer
    Merge commit ’e46ad30a808744ddf3855567e162292a4eaabac7’

    * commit ’e46ad30a808744ddf3855567e162292a4eaabac7’ :
    
  vp8 : use a fixed-size edge emu buffer
    

    Conflicts :
    
	libavcodec/vp8.c
    
	libavcodec/vp8.h
    

    See : face578d56c2d1375e40d5e2a28acc122132bc55
    
Merged-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavcodec/vp8.c
    • [DH] libavcodec/vp8.h

  • how to stream from multiple unknown-beforehand mp4 files to html5 video tag

    2 avril 2017, par Lana Nova

    I would like to enable the following flow :

    1. segment a video stream from a webcam using ffmpeg into mp4 files,
    2. transform those video files using opencv
    3. stream the resulting mp4 files using html5 video tag

    I found that for #3 above I can use ffmpeg to transcode to HLS format :

    sudo ffmpeg -i /tmp/edge-data/part-00000000.mp4 -profile:v baseline -level 3.0 -s 640x360 -start_number 5 -hls_time 10 -hls_list_size 0 -f hls /var/www/html/playlist.m3u8

    and then use videojs to augment the html5 video tag and point it at the m3u8 playlist file generated by the ffmpeg command above.

    My problem is that I have multiple mp4 files that are not known in advance. So, in a way, I need to be continuously adding items to the m3u8 playlist file.

    I found I can do it manually by removing the EXIT subsection of the m3u8 file and appending paths to new .ts files manually. Is there an option to do that with ffmpeg instead ?

    Is there an easier way to accomplish what I’m trying to do here ?

    Thanks !

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