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Autres articles (101)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • 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" (...)

Sur d’autres sites (11460)

  • 【CV】use ffmpeg to process video through cmd in python

    26 novembre 2019, par user66124

    when reading the segment generation function in https://github.com/zhengshou/scnn, I encounter the following sentence :

    cmd = '../lib/preprocess/ffmpeg -i ' + input_video + ' -r ' + str(framerate) + ' -f image2 ' + framedir + videoname +'/%06d.jpg' + ' 2>' + framedir + 'frame_extract.log'

    Is there anyone know the meaning of each part ?

  • avformat/utils : add gif to tb_unreliable()

    28 avril 2014, par Michael Niedermayer
    avformat/utils : add gif to tb_unreliable()

    This improves the used timebases when gif is the source
    

    Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavformat/utils.c
    • [DH] tests/ref/fate/gif-color
    • [DH] tests/ref/fate/gif-disposal-background
    • [DH] tests/ref/fate/gif-disposal-restore
    • [DH] tests/ref/fate/gifenc-bgr4_byte
    • [DH] tests/ref/fate/gifenc-bgr8
    • [DH] tests/ref/fate/gifenc-gray
    • [DH] tests/ref/fate/gifenc-pal8
    • [DH] tests/ref/fate/gifenc-rgb4_byte
    • [DH] tests/ref/fate/gifenc-rgb8
    • [DH] tests/ref/lavf/gif

  • Artifact while streaming multicast with ffmpeg

    17 août 2018, par Nicosmik

    Locally, from my windows machine with ffmpeg 3.3.2 from Zeranoe

    ffmpeg version 3.2.2 Copyright (c) 2003-2016 the FFmpeg developers
    built with gcc 5.4.0 (GCC)
    configuration : —enable-gpl
    —enable-version3 —enable-dxva2 —enable-libmfx —enable-nvenc —enable-avisynth —enable-bzlib —enable-fontconfig —enable-frei0r —enable-gnutls —enable-iconv —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libfreetype —enable-libgme —enable-libgsm —enable-libilbc —enable-libmodplug —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxavs —enable-libxvid —enable-libzimg —enable-lzma —enable-decklink —enable-zlib

    Server side

    Launch udp multicast streaming.

     ffmpeg -re -i video.ts -an -f mpegts -c copy udp://224.1.1.1:5000

    Client side

    Playing with ffplay is correct, no artifacts displayed

    ffplay udp://224.1.1.1:5000

    Playing after decoding cause artifacts

    ffmpeg -i udp://224.1.1.1:5000 -pix_fmt gray -f avi - | ffplay -

    or

    ffmpeg -f mpegts -i udp://224.1.1.1:5000 -pix_fmt gray -c:v rawvideo -f avi out.avi

    Does someone has an explanation ?

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