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  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • Le plugin : Podcasts.

    14 juillet 2010, par

    Le problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
    Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
    Types de fichiers supportés dans les flux
    Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)

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  • Is there a way to get FFprobe to return codec_name from firs first video, audio, and subtitle stream in a video in a single call to FFprobe ?

    26 août 2023, par Chase Westlye
    ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 (filename) 


    


    is how to retrieve the codec_name of the first video stream in a file via FFprobe.

    


    Replace v:0 with a:0 to get the first audio stream, and it returns the codec_name of the first audio stream in the file.

    


    And replace v:0 with s:0 to get the codec_name of the first subtitle stream in the file.

    


    Awesome.

    


    What isn't awesome, is having to call FFprobe three times for these operations and having to hit the file three times.

    


    Is there a way to call FFProbe once, and have FFProbe return the codec_name of the first video, audio, and subtitle stream (instead of separate calls) ?

    


  • anyone had success with OpenFP ? [closed]

    30 mai 2013, par Robert Shaw

    http://sourceforge.net/projects/open-fp/

    Built and ran openfp - a sound fingerprinting project available in many places. Includes :
    openfp_extract (calls ffmpeg) _server and _match.

    Hours today fiddling with the samples but I always get MATCH RESULTS 0, even with identical afp files in the signatures directory. What is the trick to get a match ?

    Usings PCM 16 mono 22kHz . Do endian and signed matter as long as its always the same ?

    I hope to try and match bird or animal sounds, anybody think it can work ?

    Thanks in advance ! - Robert

  • What does the notation BGR refer to at the byte order level in opencv and ffmepg ?

    16 août 2017, par writalnaie

    I see the notation BGR occurs in many places in opencv (e.g. CV_YUV2BGR_YV12) and ffmpeg(e.g. AV_PIX_FMT_BGR24). My question is what is the byte order in these BGR formats in opencv and ffmpeg in some common little endianness architecture (such as x86/amd64). Is channel B stored in lower address or higher address compared with channel R in these formats ?

    Thanks !

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