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  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

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  • avformat/matroskaenc : Remove limit on the number of tracks

    15 avril 2020, par Andreas Rheinhardt
    avformat/matroskaenc : Remove limit on the number of tracks

    The Matroska file format has practically no limit on the number of
    
tracks (the current limit is 2^56 - 1) ; yet because they are encoded in
    
a variable length format in (Simple)Blocks this muxer has simply imposed
    
a limit on the number of tracks in order to ensure that they can always
    
be written on one byte in order to simplify the muxing process.
    

    This commit removes said limit.
    

    Also, zero is an invalid TrackNumber, so disallow this value in the
    
dash_track_number option.
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
    • [DH] libavformat/matroskaenc.c

  • x86/vvc_alf : avoid overwriting for non-16 aligned widths

    20 juin 2024, par Nuo Mi
    x86/vvc_alf : avoid overwriting for non-16 aligned widths

    Previously, the code allowed overwriting on 16-aligned blocks, which was suitable when there were
    
no picture's virtual boundaries because both CTU sizes and strides were 16-aligned. However, with
    
picture's virtual boundaries, each CTU is divided into four ALF blocks, leading to potential issues
    
with overwriting later CTUs.
    

    In cases involving picture virtual boundaries, each ALF block is 8-pixel aligned.
    
For luma, we consistently ensure an 8-aligned width. For chroma in 4:2:0 format,
    
we need to account for a 4-aligned width.
    • [DH] libavcodec/x86/vvc/vvc_alf.asm

  • avformat/mpegtsenc : Restrict "async" behavior to KLV async packets

    9 mars 2023, par Devin Heitmueller
    avformat/mpegtsenc : Restrict "async" behavior to KLV async packets

    The original code would strip off the PTS/DTS of any packets
    
which had a stream ID of STREAM_ID_PRIVATE_STREAM_1.  While the
    
intent was to apply this to asynchronous KLV packets, it was
    
being applied to any codec that had that same stream ID (including
    
types such as SMPTE 2038).
    

    Add a clause to the if() statement to ensure it only gets applied
    
if the codec actually is KLV.
    

    Signed-off-by : Devin Heitmueller <dheitmueller@ltnglobal.com>
    
Signed-off-by : Marton Balint <cus@passwd.hu>
    • [DH] libavformat/mpegtsenc.c

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