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Autres articles (108)

  • 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 (...)

  • Personnaliser les catégories

    21 juin 2013, par

    Formulaire de création d’une catégorie
    Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
    Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
    On peut modifier ce formulaire dans la partie :
    Administration > Configuration des masques de formulaire.
    Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
    Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

Sur d’autres sites (11102)

  • FFMPEG : Concatenating two videos and adding audio only to the second video

    29 septembre 2023, par Huzefa Tahir

    I have two videos v1 and v2 which I want to concat. I also want to add audio a2 to the second video. v1 may or may not have an audio. How can I do that in one ffmpeg script ?
This is how the output should be like :
| V1 | V2 |
| a1 ? | a2 |

    


    I am having trouble placing the audio a2 at the start of the v2. I can't seem to find a filter that does this and -map doesn't seem to work with this either as it places a2 at start of v1.

    


  • FFmpeg : what does the "global_header" flag do ?

    23 juin 2017, par Leszek Pachura

    According to the description, it places global headers in extradata instead of every keyframe.

    But what’s the actual purpose ? Is it useful e.g. for streaming ?

    I guess that the resulting video file will be marginally shorter, but more prone to corruption (no redundancy = file unplayable if main header corrupted or only partially downloaded) ?

    Or maybe it somehow improves decoding a little bit ? As headers are truly global and cannot change from keyframe to keyframe ?

    Thanks !

  • Merge commit ’facdfe40805559963b5875931af9406ed5ddcd5c’

    24 janvier 2017, par Clément Bœsch
    Merge commit ’facdfe40805559963b5875931af9406ed5ddcd5c’

    * commit ’facdfe40805559963b5875931af9406ed5ddcd5c’ :
    
  swscale : Add proper ff_ prefix to init functions
    

    This commit is a noop, see e8c37160640952ab036e643156add9638c062536
    

    I’m keeping our ff_sws_ vs ff_ since we use ff_sws_ in other places in
    
swscale.
    

    Merged-by : Clément Bœsch <u@pkh.me>

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