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Autres articles (92)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Amélioration de la version de base

    13 septembre 2013

    Jolie sélection multiple
    Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
    Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...)

  • Emballe médias : à quoi cela sert ?

    4 février 2011, par

    Ce plugin vise à gérer des sites de mise en ligne de documents de tous types.
    Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ;

Sur d’autres sites (13576)

  • Revision b295092b8f : Full range motion search for regular block sizes Add a full range motion search

    6 décembre 2013, par Jingning Han

    Changed Paths :
     Modify /vp9/common/vp9_rtcd_defs.sh


     Modify /vp9/encoder/vp9_mcomp.c


     Modify /vp9/encoder/vp9_onyx_if.c



    Full range motion search for regular block sizes

    Add a full range motion search for regular block sizes. This runs
    exhaustive search within the given reference area. This commit further
    optimizes the search process by combining 4 points test into one
    pipeline, which gives 30% speed-up as compared to run each individual
    point at a time.

    This full range search serves as a best possible motion search reference.
    When replacing the diamond search with full range search, the speed 0
    runtime of bus CIF at 2000 kbps goes from 153872ms to 623051ms. The
    compression performance compared to speed 0 setting gains 0.585% for
    derf set.

    Change-Id : Ieef1225216b0b86b4ac4872fa7fb9e18bf2eabb3

  • ffmpeg with drawtext filenames of diffrent files within a -i concat filelist.txt

    10 juillet 2016, par halanson

    with the following script i am able to concatenate multiple video files within a textfile to a single video.

    now i want to have the individual names of each source video file displayed in the output video.

    here is a example of my source videoList.txt file with filename and filepath

    # videoList.txt
    
file 'C:\video_0020.mp4' 
    
file 'C:\video_0040.mp4' 
    
file '..'

    and the windows batch file :

    @ECHO off
    
SETLOCAL
    

    
SET ffmpeg=C:\ffmpeg\bin
    
SET inFile=-f concat -i C:\videoList.txt
    
SET outFile=C:\output.mov
    

    
SET codec=-r 24 -vcodec mjpeg -q:v 6
    
REM videoFilter/filterComplex
    
SET filterComplex=drawtext=fontfile='C\:\\Windows\\Fonts\\arial.ttf': text='%%{filenameOfEachVideo}'
    

    
REM bring it all together
    
SET commandline=%ffmpeg%\ffmpeg.exe %inFile% -filter_complex "%filterComplex%" %codec% %outFile%
    

    
REM execute command
    
%commandline%

  • Streaming MJPEG video over RTSP without re-encoding using ffmpeg in Ubuntu

    5 août 2023, par user8109

    I have a video file encoded in MJPEG format stored as .avi file. I want to stream this video without re-encoding using ffmpeg tool from an Ubuntu machine to a remote server over RTSP protocol. I could achieve this for videos encoded in H.264 format and H.265 format using the below command.

    


    ffmpeg -re -i "$input_file" -c copy -f rtsp "$output_url"


    


    But, I am getting errors when I am streaming MJPEG video. One alternative approach could be to extract individual JPEG frames and stream that over the network using the following command.

    


    ffmpeg -re -i "$input_file" -f image2pipe -vcodec mjpeg -pix_fmt yuvj420p - | ffmpeg -i - -c:v copy -an -f rtsp "$output_url"


    


    But I am getting errors here also. Any solution is fine for me.

    


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