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Autres articles (36)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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 (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (4009)

  • wavpack : return 0 instead of samples count from decoding functions

    26 mai 2013, par Anton Khirnov
    wavpack : return 0 instead of samples count from decoding functions

    The caller never cares about the number of decoded samples, so this only
    
confuses the reader.
    • [DBH] libavcodec/wavpack.c

  • Merge commit ’68a35473ed423a14731c418939fba7913647979a’

    13 novembre 2014, par Michael Niedermayer
    Merge commit ’68a35473ed423a14731c418939fba7913647979a’

    * commit ’68a35473ed423a14731c418939fba7913647979a’ :
    
  4xm : more thorought check for negative index and negative shift
    

    Conflicts :
    
	libavcodec/4xm.c
    

    Mostly not merged, the added checks, check for impossible conditions
    
for paranoias sake they are replaced by asserts but thats probably overkill
    
the vlc table does not contain out of range values or holes,
    
nor does it permit the log2 values to become negative. Whenever a
    
log2 value reaches 0 the selected table no longer contains an entry to trigger
    
the case that would decrease it further
    

    Adding such impossible checks would confuse the reader
    

    Merged-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavcodec/4xm.c

  • ffmpeg : test if format is seekable

    20 mai 2021, par Diederick C. Niehorster

    How do i test if a format is seekable ?

    &#xA;

    I have written code against the latest fmmpeg's (4.4) libavformat, libavcodec, etc. My code reads and decodes video files. Now i also want to support reading from avdevices, such as dshow (DirectShow) on Windows. That is possible through the same interface as i have already implemented, it just requires using the dshow format. Super nice ! But in my video file reader, i have some seek logic implemented, which is engaged in various instances. The problem is that the dshow format is not seekable (avformat_seek_file() returns -22, invalid argument). How do i detect that a format is not seekable ? I know that the AVFormatContext's pb member (AVIOContext) has a seekable field, but the dshow format leaves pb null (as it should be since the AVFMT_NOFILE flag is set for the format). How do i test if a format is seekable (so that if it is not, i can disable the seek logic) ? The implementation of avformat_seek_file() and the various functions it calls seems to have various callbacks, so i am not sure if simply this would do the trick : bool isSeekable = !!context->pb &amp;&amp; context->pb->seekable!=0.

    &#xA;

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