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Autres articles (61)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Problèmes fréquents

    10 mars 2010, par

    PHP et safe_mode activé
    Une des principales sources de problèmes relève de la configuration de PHP et notamment de l’activation du safe_mode
    La solution consiterait à soit désactiver le safe_mode soit placer le script dans un répertoire accessible par apache pour le site

  • Configuration spécifique d’Apache

    4 février 2011, par

    Modules spécifiques
    Pour la configuration d’Apache, il est conseillé d’activer certains modules non spécifiques à MediaSPIP, mais permettant d’améliorer les performances : mod_deflate et mod_headers pour compresser automatiquement via Apache les pages. Cf ce tutoriel ; mode_expires pour gérer correctement l’expiration des hits. Cf ce tutoriel ;
    Il est également conseillé d’ajouter la prise en charge par apache du mime-type pour les fichiers WebM comme indiqué dans ce tutoriel.
    Création d’un (...)

Sur d’autres sites (6885)

  • hap : Adjust printf length modifiers to match variable types

    8 décembre 2015, par Diego Biurrun
    hap : Adjust printf length modifiers to match variable types

    libavcodec/hapenc.c:121:20 : warning : format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘size_t aka unsigned int’ [-Wformat=]
    
libavcodec/hapenc.c:121:20 : warning : format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘size_t aka unsigned int’ [-Wformat=]
    • [DBH] libavcodec/hapenc.c

  • FFmpeg more than 1000 frames duplicated and input height doesn't match

    2 septembre 2021, par Karine

    I'm currently using this code to record two windows side by side :

    


    ffmpeg -f gdigrab -framerate 30 -i title="" -f gdigrab -framerate 30 -i title="" -c:v h264_nvenc -qp 0 -filter_complex hstack=inputs=2 2.mp4


    


    However it throw this error after execution :

    


    More than 1000 frames duplicated


    


    Error Log : https://pastebin.com/gREVrKVK

    


    The first window mostly time is the same frame, maybe 1 frame change in each 3 sec.

    


    Another error in console is when the first window have a different height than second window, error :

    


    [Parsed_hstack_0 @ 000002491166fd00] Input 1 height 500 does not match input 0 height 488.
[Parsed_hstack_0 @ 000002491166fd00] Failed to configure output pad on Parsed_hstack_0


    


    Error log : https://pastebin.com/vqdBPfpv

    


    Looks like is not possible to record when they have different dimensions, so, if possible I would like to ask how to scale the first window to the same height (doesn't need to keep aspect ratio) of the second window, considering low CPU use above the video quality.

    


  • opusdsp : adjust and optimize C function to match assembly

    15 août 2019, par Lynne
    opusdsp : adjust and optimize C function to match assembly

    The C and asm versions behaved differently _outside_ of the codec.
    

    The C version returned pre-multiplied 'state' for the next execution
    
to use right away, while the assembly version outputted non-multiplied
    
'state' for the next execution to multiply to save instructions.
    
Since the initial state when initialized or seeking is always 0,
    
and since C and asm versions were never mixed, there was no issue.
    

    However, comparing outputs directly in checkasm doesn't work without
    
dividing the initial state by CELT_EMPH_COEFF and multiplying the
    
returned state by CELT_EMPH_COEFF for the assembly function.
    

    Since its actually faster to do this in C as well, copy the behavior the
    
asm versions use. As a reminder, the initial state 0 is divided by
    
CELT_EMPH_COEFF on seek and init (just in case in the future this is
    
changed, its technically more correct to init with CELT_EMPH_COEFF than 0,
    
however when seeking this will result in more audiable pops, unlike with 0
    
where the output gets in sync over a few samples).
    • [DH] libavcodec/opus_celt.c
    • [DH] libavcodec/opusdsp.c

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