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  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • Contribute to a better visual interface

    13 avril 2011

    MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
    Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.

Sur d’autres sites (6905)

  • using ffmpeg to automate splitting video into quarters and stacking

    14 novembre 2017, par user3297049

    I need to create a quick FFMPEG batch file that takes a very wide video file and splits it into quarters (dimension wise not time wise), then outputting a file where each quarter is under the previous.

    E.g.

    A B C D

    Would become :

    A
    B
    C
    D

    I know this should be possible with crop and pad commands, and through research I’ve found that someone divided into quarters and put the top left and bottom right next to each other horizontally using :

    "%~dp0\ffmpeg.exe" -i %1 -filter_complex "[0:0]crop=iw/2:ih/2:0:0,pad=iw*2:ih:0:0[tl];[0:0]crop=iw/2:ih:iw/2:ih/2[br];[tl][br]overlay=W/2" -b:v 32000k -b:a 128k %1_2.avi

    Can anyone help as the command line is beyond me ?

  • Revision 3cd669c548 : Modify initial value for avg_frame_qindex In high bitdepth mode there is an ext

    2 juillet 2014, par Peter de Rivaz

    Changed Paths :
     Modify /vp9/encoder/vp9_ratectrl.c



    Modify initial value for avg_frame_qindex

    In high bitdepth mode there is an extended quantizer range.
    This means that it takes longer for the avg_frame_qindex
    to ramp up and this results in coding loss for short
    low bitrate sequences.

    This patch adds a boost in high bitdepth mode to compensate
    for this effect.

    This helps with the bowing_cif.y4m sequence at 50kbps.

    Change-Id : Ie1575d88e8de4f0297cf86da50eb36dfc5442c70

  • ffmpeg - skipping frames while watermarking

    12 août 2018, par Vaas

    I am building a video watermark utility based on ffmpeg.

    But watermarking takes considerable time. I wish to reduce the watermarking time by skipping frames while processsing.

    Is it possible to skip frames while processing video ?

    Like adding text to only every other frame ?

    ffmpeg  -i "D://sample.mp4"  -vf [in]drawtext=fontfile='C\://Windows//Fonts//Calibri.ttf':fontsize=27.9:text=www.example.com:fontcolor=#ffffff:box=1:boxcolor=0x00000099:x=w-tw-10:y=h-th-10 -y D:\watermarked.mp4

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