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  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • 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 (...)

  • 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 (...)

Sur d’autres sites (8340)

  • FFMPEG : burn SRT files to a transparent video file ?

    19 septembre 2017, par Taapo

    I need to create several versions of srt/ssa subtitles for another editor. To minimize the problems that can rise (encoding, etc) I want to provide a separate AVI file that can be overlayed onto another file.

    So I would like to use FFMPEG to burn an "empty" (transparent) video file which has the length of the subtitle file, and with the subtitles burnt in. How would this be done in FFMPEG ?

    Before someone says this is a bad idea (which someone already did), there are use cases where this technique would be helpful. I’m fully aware that this would create big files, but most real-life editors don’t care about size - but about solutions. Judging from other posts (on other forums) there seem to be a need for others as well. And since a professional subtitler like Lemony Subtitler is offering the option, I suppose this is not really a bad idea.

  • ffmpeg convert from WMV to AVC1 instead of "official" H264 [closed]

    26 mars 2014, par thipeto

    I searched google for an answer, but I can’t find the solution. It’s for professional use.

    I’m trying to convert some wmv files (WMV3) to MP4 (H.264). It should take the format h.264, and instead of it, it’s taken the H.264 (AVC1) format.

    It seems like the AVC is a format used in Apple, and I don’t want to convert to this format, only to h264 "official", the one who fourcc shows me.
    I’m using the last version of ffmpeg, following is the basic command that I’m using :

    ffmpeg -i input.wmv -c:v libx264 -q:v 0 output.mp4

    I’m trying to understand the reason that some PCs here convert to h264, and other to AVC1.
    Someone can help me ? What should I do to make the other PCs convert to the real h.264 without install a pack of codecs ? I just want to convert to mp4, there’s a way to install only codecs to convert to mp4 ?

    Many thanks,
    Thiago.

  • ffmpeg convert from WMV to AVC1 instead of "official" H264 [on hold]

    26 mars 2014, par thipeto

    I searched google for an answer, but I can't find the solution. It's for professional use.

    I'm trying to convert some wmv files (WMV3) to MP4 (H.264). It should take the format h.264, and instead of it, it's taken the H.264 (AVC1) format.

    It seems like the AVC is a format used in Apple, and I don't want to convert to this format, only to h264 "official", the one who fourcc shows me.
    I'm using the last version of ffmpeg, following is the basic command that I'm using :

    ffmpeg -i input.wmv -c:v libx264 -q:v 0 output.mp4

    I'm trying to understand the reason that some PCs here convert to h264, and other to AVC1.
    Someone can help me ? What should I do to make the other PCs convert to the real h.264 without install a pack of codecs ? I just want to convert to mp4, there's a way to install only codecs to convert to mp4 ?

    Many thanks,
    Thiago.

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