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  • 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 (...)

  • D’autres logiciels intéressants

    12 avril 2011, par

    On ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
    La liste suivante correspond à des logiciels qui tendent peu ou prou à faire comme MediaSPIP ou que MediaSPIP tente peu ou prou à faire pareil, peu importe ...
    On ne les connais pas, on ne les a pas essayé, mais vous pouvez peut être y jeter un coup d’oeil.
    Videopress
    Site Internet : (...)

  • 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 (...)

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  • FFmpeg conform DASH to YouTube Live Stream requirements

    4 septembre 2023, par Aniol Pagès

    I'm trying to stream to YouTube using FFmpeg and DASH. I've generated the stream key and I'm successfully sending the generated files to YouTube. However, YouTube refuses the MPD manifest because it has two AdaptationSet (one for video and one for audio), and the documentation specifies that I should use only one for both video and audio

    


    I've tried to use the -adaptation_sets flag unsuccessfully, and also the -map flag.

    


    Here is one of the commands I've tried :
ffmpeg -re -i "/Users/user/Desktop/file.mp4" \        -map 0:v -map 0:a \        -use_template 1 -use_timeline 1 -window_size 5 -min_seg_duration 5000000 \        -f dash dash.mpd

    


    And with the -adaptation_sets flag :
ffmpeg -re -i "/Users/aniolpages/Desktop/2023-09-03 Taller colar filtrar assubtilar.mp4" -map 0 -map 0 -c:a aac -c:v libx264 \ -use_timeline 1 -use_template 1 \ -window_size 5 -adaptation_sets "id=0,streams=v id=1,streams=a" \ -f dash dash.mpd

    


    Has someone been successful to conform the manifest to YouTube requirements ?

    


    Thank you very much !

    


  • avformat/dashenc : Add framerate to dash manifest

    18 novembre 2015, par Bryan Huh
    avformat/dashenc : Add framerate to dash manifest

    DASH manifest should have framerate specified as an attribute in the
    
AdaptationSet element and Representation elements. Though ISO/IEC
    
23009-1:2014 doesn’t seem to define frameRate as a required attribute,
    
it is at least optional, and DASH-IF IOP 3.0 seems to require it. See
    
section 3.2.4 of http://dashif.org/w/2015/04/DASH-IF-IOP-v3.0.pdf
    

    In the event that avg_frame_rate is not set in the muxer, we ignore the
    
frameRate tag altogther.
    

    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/dashenc.c

  • FFMPEG DASH Exemple

    23 janvier 2021, par Diogo Crava

    Would anyone be able to provide me an example of an FFMPEG command converting a simple .mp4 file into DASH format but with segmentation for each resolution (480, 720 and 1080). I found some examples but none of them had segmentation.

    &#xA;

    Can you also indicate to me which field allows me to do that ?

    &#xA;

    I would also appreciate it if you gave me an FFMPEG tutorial besides the documentation alone.

    &#xA;

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