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Autres articles (105)

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

  • 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" ;

  • Soumettre améliorations et plugins supplémentaires

    10 avril 2011

    Si vous avez développé une nouvelle extension permettant d’ajouter une ou plusieurs fonctionnalités utiles à MediaSPIP, faites le nous savoir et son intégration dans la distribution officielle sera envisagée.
    Vous pouvez utiliser la liste de discussion de développement afin de le faire savoir ou demander de l’aide quant à la réalisation de ce plugin. MediaSPIP étant basé sur SPIP, il est également possible d’utiliser le liste de discussion SPIP-zone de SPIP pour (...)

Sur d’autres sites (14846)

  • Merge commit ’b70d7a4ac72d23f3448f3b08b770fdf5f57de222’

    15 mai 2014, par Michael Niedermayer
    Merge commit ’b70d7a4ac72d23f3448f3b08b770fdf5f57de222’

    * commit ’b70d7a4ac72d23f3448f3b08b770fdf5f57de222’ :
    
  lavc : add a native Opus decoder.
    

    Conflicts :
    
	Changelog
    
	configure
    
	libavcodec/version.h
    

    Fate tests pass with both avresample as well as swresample based opus decoder, but
    
are disabled (reference files are very large so i want to think a day or 2 about
    
if theres an alternative or if they could be avoided, they also dont match the
    
official samples)
    

    Merged-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] Changelog
    • [DH] configure
    • [DH] libavcodec/Makefile
    • [DH] libavcodec/allcodecs.c
    • [DH] libavcodec/opus.c
    • [DH] libavcodec/opus.h
    • [DH] libavcodec/opus_celt.c
    • [DH] libavcodec/opus_imdct.c
    • [DH] libavcodec/opus_parser.c
    • [DH] libavcodec/opus_silk.c
    • [DH] libavcodec/opusdec.c
    • [DH] libavcodec/version.h
    • [DH] tests/Makefile
    • [DH] tests/fate/opus.mak

  • add libaribb24 ARIB STD-B24 caption decoder

    14 janvier 2019, par Jan Ekström
    add libaribb24 ARIB STD-B24 caption decoder

    * Outputs ASS lines with basic coloring and font scaling for each
    
  given region.
    
* Sets the default style to the resolution of the subtitle plane
    
  (for example, 960x540 / 36pt font for profile A).
    
* Has options to :
    
  * Disable ruby text (which is coded as regions which have
    
    half-height text in libaribb24).
    
    Enabled by default as without positioning ruby text only
    
    confuses as it is usually coded in the beginning of the decoded
    
    subtitle line.
    
  * Set the working directory, in which libaribb24 will read
    
    configuration as well as into which it may save broadcast extra
    
    symbols as PNG.
    
    Unset by default.
    

    The unconventional library check can be explained by the library's
    
current master branch being licensed as LGPLv3, but at the time of
    
writing the latest official release is still licensed under GPLv3.
    

    Thus, one either has to wait for the following release, or enable
    
GPLv3.
    • [DH] Changelog
    • [DH] configure
    • [DH] doc/decoders.texi
    • [DH] libavcodec/Makefile
    • [DH] libavcodec/allcodecs.c
    • [DH] libavcodec/avcodec.h
    • [DH] libavcodec/codec_desc.c
    • [DH] libavcodec/libaribb24.c
    • [DH] libavcodec/profiles.c
    • [DH] libavcodec/profiles.h
    • [DH] libavcodec/version.h

  • Tools/Techniques for investigating video corruption — ffmpeg / libavcodec

    17 juillet 2013, par Gopherkhan

    In my current work I'm trying to encode some images to h264 video using the FFMPEG's C library. The resulting video plays fine in VLC, but has no preview image. The video can play in VLC and Mplayer on ubuntu, but won't play on Mac or PC (in fact, it causes a "VTDecoderXPCService quit unexpectedly" error on Mac).

    If I run the resulting file through FFMPEG using the command line, the resulting file has a preview image, and plays correctly everywhere.

    Apparently the file that I get out of the program is corrupt in some weird place, but I don't have any output during my compilation or run to indicate where. I can't share my code at the moment (work code isn't open source yet :-( ), but I have tried a number of things :

    1. Writing only header and trailer data (av_write_trailer) and no frames
    2. writing frames only minus the trailer (using avcodec_encode_video2 and av_write_frame)
    3. Adjusting our time_base and frame pts values to encode only one frame per second
    4. Removing all variable frame rate code
    5. Numerous other variants that I won't bother you with here

    In creating my project, I've also followed the following tutorials :

    And consulted the deprecated ffmpeg functions list

    And compiled FFMPEG on ubuntu according to the official doc

    And consulted numerous StackOverflow questions :

    But every run of the program runs into the exact same problem.

    My question is, is there anything obvious that causes a programmatic run of FFMpeg to differ from a console run (e.g., an incomplete finalization, some threading issues, etc.) ? Like some obvious reason that a console run could repair a corrupted file ? Or is there a decent tool/method for inspecting a video file and finding the point of corruption ?

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