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Autres articles (63)

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  • Creating farms of unique websites

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    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" (...)

  • 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

Sur d’autres sites (11248)

  • Save continuous RTSP stream to 5-10 minute long mp4 files

    5 mai 2023, par Ruslan Sharipov

    How can I keep the flow (protocol rtsp, codec h264) in file (container mp4) ? That is, on inputting an endless stream (with CCTV camera), and the output files in mp4 format size of 5-10 minutes of recording time.

    



    OS : debian, ubuntu
Software : vlc, ffmpeg (avconv)

    



    Currently this scheme is used :

    



    cvlc rtsp://admin:admin@10.1.1.1:554/ch1-s1 --sout=file/ts:stream.ts
ffmpeg -i stream.ts -vcodec copy -f mp4 stream.mp4


    



    But it can not record video continuously (between restarts vlc loses about 10 seconds of live video).

    


  • Save continuous RTSP stream to 5-10 minute long mp4 files

    20 janvier 2017, par Ruslan Sharipov

    How can I keep the flow (protocol rtsp, codec h264) in file (container mp4) ? That is, on inputting an endless stream (with CCTV camera), and the output files in mp4 format size of 5-10 minutes of recording time.

    OS : debian, ubuntu
    Software : vlc, ffmpeg (avconv)

    Currently this scheme is used :

    cvlc rtsp://admin:admin@10.1.1.1:554/ch1-s1 --sout=file/ts:stream.ts
    ffmpeg -i stream.ts -vcodec copy -f mp4 stream.mp4

    But it can not record video continuously (between restarts vlc loses about 10 seconds of live video).

  • FFMPEG / MJPEG Encoding / How to add DQT table in packet data ?

    20 mai 2020, par GoodSimon

    I write my own transcoder in C++ to convert any image to jpeg based on the examples in ffmpeg sources. I use the MJPEG codec to create a jpeg image. By sending AVFrame to the MJPEG encoder I get AVPacket. Then I just take the data from the packet->data structure with the size avpacket->size and save it to a file with the jpg extension.
The problem is that the finished JPEG image has only one DQT (Define Quantization Table). As far as I understand, there should be two tables in the file.

    



    What do I need to do to have 2 quantization tables in avpacket->data ?