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Autres articles (26)

  • 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 (...)

  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • 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 : (...)

Sur d’autres sites (5592)

  • Generate and concatenate videos from images with ffmpeg in single command

    17 août 2022, par YulkyTulky

    My goal is to generate a video from images. Let's say I have 2 images 1.png and 2.png.

    


    I can do

    


    ffmpeg -loop 1 1.png -t 3 1.mp4


    


    ffmpeg -loop 1 2.png -t 5 2.mp4


    


    to create a 3 second video from the first image and 5 second video from the second image.

    


    Then, I merge the two videos using

    


    ffmpeg -i 1.mp4 -I 2.mp4 -filter_complex "concat" final.mp4 


    


    to create my final 8 second video.

    


    This process seems extremely inefficient, and I feel I do not have to use all this processing power+disk reading/writing to create 2 intermediary video files when I only want the one final video.

    


    Is there a way to execute this entire process in one ffmpeg command (efficiently) ?

    


  • lavc/videotoolboxenc : support additional options

    20 mai 2023, par Rick Kern
    lavc/videotoolboxenc : support additional options

    Added support for more VideoToolbox encoder options :

    - qmin and qmax options are now used

    - max_slice_bytes : Max number of bytes per H.264 slice

    - max_ref_frames : Limit the number of reference frames

    - Disable open GOP when the cgop flag is set

    - power_efficient : Enable power-efficient mode
    

    Signed-off-by : Rick Kern <kernrj@gmail.com>
    • [DH] libavcodec/videotoolboxenc.c

  • vc2enc : zero padding of the coefficient buffer

    17 décembre 2019, par Lynne
    vc2enc : zero padding of the coefficient buffer

    Wavelet types with large amounts of overreading/writing like 9_7 would
    
write into the padding at high wavelet depths, which would remain and be
    
read by the next frame's transform and quickly cause artifacts to appear
    
for subsequent frames.
    
This fix affects all frames encoded with a non-power-of-two width, with
    
the artifacts varying between non-observable to very noticeable,
    
depending on encoder settings, so reencoding is advisable.
    • [DH] libavcodec/vc2enc.c

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