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Médias (91)

Autres articles (72)

  • 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 (...)

  • Librairies et logiciels spécifiques aux médias

    10 décembre 2010, par

    Pour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
    Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs et (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

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  • Ffmpeg concat Audio synch do not work with mp4 videos in C#.Net [duplicate]

    19 juillet 2021, par Bhupendra S Rao

    I am trying A.mp4,B.mp4,C.mp4 files to be concated in sequence into D.mp4.

    


    I tried variety of concat commands but its not working well, and audio , video are not synch.
Also D.mp4 is going large in size and time.

    


    Pls provide a sample that can work on c#.Net. My code is

    


    string c1 = " -i " + video1 + " -c copy -bsf:v h264_mp4toannexb -f mpegts " + t1;// +" && ";
string c2 = " -i " + video2 + " -c copy -bsf:v h264_mp4toannexb -f mpegts " + t2;// + " && ";
string c3 = " -i " + video3 + " -c copy -bsf:v h264_mp4toannexb -f mpegts " + t3;// + " && ";
string ct = " -i \"concat:" + t1+ "|"+t2+ "|" +t3+"\" -c copy -bsf:a aac_adtstoasc "+strResult;


    


    Thanks in Advance
Bhupendra

    


  • Revision d59a2c406d : Finished work on better referencing check message codes.

    4 octobre 2011, par Marc Noirot

    Changed Paths :
     Modify /src/check.c


     Modify /src/check.h



    Finished work on better referencing check message codes.

  • Revision 6c39da3ba0 : Continued work on better referencing check message codes.

    3 octobre 2011, par Marc Noirot

    Changed Paths :
     Modify /src/check.c


     Modify /src/check.h



    Continued work on better referencing check message codes.

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