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Autres articles (38)

  • 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

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 is the first MediaSPIP stable release.
    Its official release date is June 21, 2013 and is announced here.
    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 (...)

Sur d’autres sites (7328)

  • How to pass options to ffmpeg from SoX ?

    17 janvier 2018, par beardedlinuxgeek

    I’m trying to combine and encode some files from wav to m4a. I installed both ffmpeg and sox from source to make sure nothing was disabled. When I do the conversion with ffmpeg

    ffmpeg -i input.wav -acodec aac -strict experimental output.m4a

    it works fine. When I use SoX

    sox input.wav output.m4a

    I get the error

    [NULL @ 0x251b4e0] Codec is experimental but experimental codecs are not enabled, see -strict -2
    
sox FAIL ffmpeg: ffmpeg could not open CODEC
    
sox FAIL formats: can't open output file `output.m4a':

    I need to way to get SoX to tell ffmpeg that its ok to use the experimental codecs.

    Also I already tried using this guide http://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide to install the fdk-acc encoder, but it didn’t work. The experimental one works fine so I’d rather just use that.

  • How to use AMD Radeon Pro W7800 to its full potential [closed]

    27 septembre 2023, par dkalna

    I have AMD Radeon Pro W7800 graphics card in my Windows 11 machine and want to convert MOV-files (which are between 12 and 15 GB big) to something more suitable (smaller). The AMD website states that supported rendering formats are following :

    


      

    • 2x Encode (H265/HEVC, 4K H264)

      • 


    • 2x Decode (H265/HEVC, 4K H264)

      • 


    • 1x Encode & Decode (AV1)

      • 


    


    For the conversion I would like to use FFmpeg. On the FFmpeg website (https://trac.ffmpeg.org/wiki/HWAccelIntro) I have seen different APIs and implementation status, but none of that make sense for me.

    


    Can someone point me in the right direction ? I would like to make files reasonable smaller (at least 50%) and would like to make the conversion fast (to use my graphics card to its full potential).

    


  • FFmpeg framerate parameter

    24 avril 2020, par mentalmushroom

    I am confused by the FFmpeg framerate parameter. As far as I understand the docs and wiki, it sets the number of frames per second for the input (and the output unless -r option is specified). In fact, when I set the framerate to 1, the video is being played pretty much at its normal speed (25-30, but definitely not 1 frame per second as expected). Setting framerate to 2 makes it play around twice as fast (not 2 frames per second).

    



    To give a little bit more details, there is a python script which reads a video sample frame-by-frame as fast as it can and outputs these frames immediately to FFmpeg :

    



    python main.py -i myvideo.mp4 | ffmpeg -v warning -f rawvideo -pixel_format bgr24 -video_size 768x432 -framerate 2 -i - http://0.0.0.0:3004/fac.ffm


    



    What could be the reason for such behavior ?

    


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