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  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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 (...)

Sur d’autres sites (13837)

  • Artifacts in WMP after speed-up and fps change

    11 septembre 2014, par Snow

    Trying to convert a 1 hour video with 0.02 fps, to a very short one (100 times speed-up) with somethinglike 10 fps to include in a powerpoint presentation.

    I did this :

    ffmpeg - input.mp4 -filter:v "setpts=0.01*PTS" -r 10 output.mp4

    Works great, play nicely with VLC or SMPlayer (which I believe use ffmpeg libraries for decoding). But if played with Windows Media Player, or inserted in a powerpoint presentation, this gives a lot of artifacts...the video is almost not watchable.

    Is there a way to make this watchable in powerpoint (i’m guessing the problem lies down with the video renderer used in powerpoint...)

  • Revision 1092140379 : No longer use use_lastframe_partitioning speed feature The speedup in rd_pick_p

    6 septembre 2014, par Yunqing Wang

    Changed Paths :
     Modify /vp9/encoder/vp9_speed_features.c



    No longer use use_lastframe_partitioning speed feature

    The speedup in rd_pick_partition() function makes it possible
    to drop use_lastframe_partitioning feature. By doing that, we
    achieve good PSNR gain with small speed loss. Also, this makes
    encoding loop less complicated. The code cleanup patch will
    follow.

    Borg tests showed :
    1. At speed 2,
    stdhd set : 0.201% PSNR gain, 0.133% SSIM gain ;
    derf set : 0.262% PSNR gain, 0.276% SSIM gain.
    2. At speed 3,
    stdhd set : 0.139% PSNR gain, 0.109% SSIM gain ;
    derf set : 0.447% PSNR gain, 0.442% SSIM gain.

    The average speed loss over selected test clips is within 1%
    with the worst case of 4%.

    Change-Id : Icfd2ded7869372b585a6972855d933b3d0280d90

  • Revision d62d804e64 : Speed up compound inter prediction mode check This commit allows the encoder to

    3 septembre 2014, par Jingning Han

    Changed Paths :
     Modify /vp9/encoder/vp9_block.h


     Modify /vp9/encoder/vp9_context_tree.h


     Modify /vp9/encoder/vp9_pickmode.c


     Modify /vp9/encoder/vp9_rdopt.c



    Speed up compound inter prediction mode check

    This commit allows the encoder to store outcomes of single reference
    frame modes and compares them to decide if the inter prediction
    filter, forward transform, and quantization can be skipped.

    The compression performance of speed 3 is down
    derf -0.364%
    stdhd -0.198%

    For test sequences, the speed 3 runtime is reduced
    highway CIF 100 kbps, 51976 ms -> 45033 ms, 13% speed-up
    stockholm 720p 1000 kbps, 71826 ms -> 67838 ms, 5.5% speed-up
    pedestrian 1080p 2000 kbps, 154924 ms -> 150702 ms, 2.6% speed-up

    Change-Id : I5aa26f918d2b4b5197a2c0afa2779319f1c88e44

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