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Autres articles (43)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

  • 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 (...)

Sur d’autres sites (5567)

  • [FFMPEG]timeline editing for overlay filter, input source is not start from beginning [duplicate]

    18 mars 2019, par Kent Wood

    This question already has an answer here :

    I was trying to make a video editor, there is a 5s length video clip, I try to place it on a red background after 4 seconds
    command like this

    ffmpeg -i video1.mp4 -f lavfi -i color=c=red:s=640x480 ^    
    
-filter_complex "[1][0]overlay=(W-w)/2:(H-h)/2:enable='between(t,4,8)'" ^  
    
-t 10 output.mp4

    i found the video has already played 4 seconds when it appears at 4th sencond by enable='between(t,4,8)
    is there a way to make the video just start from beginning as I set in timeline editing parameter ? for here, it should start from the beginning, not from 4th second

  • avformat/mpjpeg : utilize MIME boundary value to detect start of new frame

    30 novembre 2015, par Alex Agranovsky
    avformat/mpjpeg : utilize MIME boundary value to detect start of new frame

    This code is disabled by default so not to regress endpoints sending invalid MIME, but can be enabled via AVOption ’strict_mime_boundary’
    

    Signed-off-by : Alex Agranovsky <alex@sighthound.com>
    • [DH] doc/demuxers.texi
    • [DH] libavformat/mpjpegdec.c

  • dashenc : Adjust the start time of a segment to the end of the previous segment

    28 novembre 2014, par Martin Storsjö
    dashenc : Adjust the start time of a segment to the end of the previous segment

    This is the same adjustment that the mp4 muxer does to the start
    
timestamp of fragments, since the timestamp of a sample in an mp4
    
file is implicit from the sum of earlier sample durations.
    

    This avoids gaps in the timeline (which can stop dash.js from
    
playing it back), and makes sure the timestamp on the segmenter
    
level matches what the mp4 muxer actually writes into the segments.
    

    This is only an issue if the AVPacket duration of the last
    
packet of a segment doesn’t point to the actual start timestamp
    
of the next packet (the first in the next segment).
    

    Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DBH] libavformat/dashenc.c

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