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Autres articles (58)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • 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

  • 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

Sur d’autres sites (15001)

  • Live Video Encoding and Streaming on a Webpage

    9 mars 2016, par Ockhius

    I am trying to show live webcam video stream on webpage and I have a working draft. However, I am not satisfied with the performance and looking for a better way to do the job.

    I have a webcam connected to Raspberry PI and a web server which is a simple python-Flask server. Webcam images are captured by using OpenCV and formatted as JPEG. Later, those JPEGs are sent to one of the server’s UDP ports. What I did up to this point is something like a homemade MJPEG(motion-jpeg) streaming.

    At the server-side I have a simple python script that continuously reads UDP port and put JPEG image in the HTML5 canvas. That is fast enough to create a perception of a live stream.

    Problems :

    • This compress the video very little. Actually it does not compress the video. It only decreases the size of a frame by formatting as JPEG.

    • FPS is low and also quality of the stream is not that good.

    • It is not a major point for now but UDP is not a secure way to stream video.

    • Server is busy with image picking from UDP. Needs threaded server design.

    Alternatives :

    • I have used FFMPEG before to convert video formats and also stream pre-recorded video. I guess, it is possible to encode(let say H.264) and stream WebCam live video using ffmpeg or avconv. (Encoding)

    Is this applicable on Raspberry PI ?

    • VLC is able to play live videos streamed on network. (Stream)

    Is there any Media Player to embed on HTML/Javascript to handle
    network stream like the VLC does ?

    • I have read about HLS (HTTP Live Stream) and MPEG-DASH.

    Does these apply for this case ? If it does,how should I use them ?

    Is there any other way to show live stream on webpage ?

    • RTSP is a secure protocol.

    What is the best practice for transport layer protocol in video
    streaming ?

  • Live video stream tweaking with ffmpeg DJI Android mobile SDK

    14 mars 2018, par jmoore3274

    I’m trying to learn how to work with and tweak the live video stream from an X3 camera.

    I know that the DJI Mobile SDK for android uses ffmpeg for decoding and I know the class’s that I will probably need to use are the DJICodecManager class and the VideoFeeder class. However I can’t seem to find much documentation on how to incorporate ffmpeg filters into the live video stream. For example I would like to see if I can flip the image using ffmpeg using the following :

    ffmpeg -i in.avi -vf "hflip" out.avi

    Can someone point me in the correct direction of some documentation or examples I might not have seen yet ?

  • ffmpeg send live stream from dshow Windows [on hold]

    1er octobre 2015, par Thiago Adriano

    How Can I send live stream from my placa Osprey on windows ? I need to play a video in HTML, but I don’t know How Can I do this ... Anybody help me ?

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