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  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • 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 (...)

  • Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs

    12 avril 2011, par

    La manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
    Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras.

Sur d’autres sites (11815)

  • hls : skip to next segment if the current is unavailable

    16 avril 2015, par wm4
    hls : skip to next segment if the current is unavailable

    Apparently, some live streams can delete segments too early, maybe
    
because the client is too far behind. In this case, it’s better to skip
    
the segment, instead of returning EOF. (Yes, the HLS demuxer actually
    
returns AVERROR_EOF if opening the segment returns a 404 HTTP error.)
    

    Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavformat/hls.c

  • How to decode RTSP h264 stream from IP camera using C# and EMGUCV ?

    9 janvier 2020, par xor31four

    I am trying to access a H.264 stream on an IP camera within my LAN via EmguCV Video Capture. There is an RTSP URL containing the h.264 stream and an HTTP URL that transmits MJPEG.

    The goal is to perform perform some EmguCV video processing operations on a live stream in as close to real-time as possible.

    I have a bandwidth limitation of 10Mbps.

    The problem is that Emgu.CV is unable to open the rtsp(h264) stream but perfectly capable of opening the http(mjpeg) stream..

    I can’t use the mjpeg stream as it consumes too much bandwidth and I drastically lose picture quality and fps.

    I need to access the h.264 stream in order to meet my bandwidth requirements

    Here is the code that I use to check whether the capture has been created :

                string MJPEG_URL = "http://192.168.0.11:35271/image1"; //returns true
    
            string RTSP_URL = "rtsp://192.168.0.11/stream1.sdp"; //returns false
    

    
            _cam1 = new VideoCapture(RTSP_URL, VideoCapture.API.Any);
    
            var flag = _cam1.IsOpened;
    
            Console.WriteLine(flag);

    RTSP_URL returns false. But when I enter the exact same URL in VLC Player, or if I use VLCSharp library to access the stream it works.

    Any suggestions ?

  • FFmpeg and h264_qsv

    16 juin 2015, par Dmitry Vasilyev

    I use Intel Quick Sync encoder inside FFmpeg for h264 RTSP streaming.

    find_hwaccel method from utilc.c is used for filling hwaccel structure.

    libx264 encoder is working with AV_PIX_FMT_RGB24 or AV_PIX_FMT_NV12 formats. But h264_qsv requires AV_PIX_FMT_QSV.

    Method vpicture_get_size(AV_PIX_FMT_NV12, width, height) returns correct size. But method vpicture_get_size(AV_PIX_FMT_QSV, width, height) returns -22
    In addition, method avcodec_encode_video2 crashes when context is filled with AV_PIX_FMT_QSV format.

    What is the reason of such behavior ?

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