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  • Pas question de marché, de cloud etc...

    10 April 2011

    Le vocabulaire utilisé sur ce site essaie d’éviter toute référence à la mode qui fleurit allègrement
    sur le web 2.0 et dans les entreprises qui en vivent.
    Vous êtes donc invité à bannir l’utilisation des termes "Brand", "Cloud", "Marché" etc...
    Notre motivation est avant tout de créer un outil simple, accessible à pour tout le monde, favorisant
    le partage de créations sur Internet et permettant aux auteurs de garder une autonomie optimale.
    Aucun "contrat Gold ou Premium" n’est donc prévu, aucun (...)

  • Keeping control of your media in your hands

    13 April 2011, by

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Les formats acceptés

    28 January 2010, by

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

On other websites (3580)

  • h2645_parse: allow partial escaping

    6 May 2016, by Hendrik Leppkes
    h2645_parse: allow partial escaping

    This ports the fix from 033a533 to the new parser module in prepartion
    
of using it for the h264 decoder.
    

    Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
    • [DH] libavcodec/h2645_parse.c

  • MPEG-DASH Encoding for Live Streaming

    16 May 2016, by Mcp

    I want to do encode a live stream for MPEG-DASH in various bitrates and resolutions for live playback.

    Everything I found so far either uses only the source resolution (Nimble, nginx-rtmp-module) or seems to be only for VOD streaming(DASHEncoder).

    Is it possible to use DASHEncoder with a live input (rtmp stream) and how would I do that?
    If not, is it possible to use nginx-rtmp + ffmpeg for what I want to do?

  • OpenCV 2.4.7 with FFMpeg support build with VS 2010 (x86)

    24 November 2013, by GregPhil

    I'm fighting with new version of OpenCV 2.4.7 for almost one week (prev. used 2.4.2). My motivation for the new setup is the fact that I run into problems using the Videowriter for uncompressed grayscale videos (http://answers.opencv.org/question/3603/videowriter-videocapture-and-uncompressed-avi/). In https://github.com/Itseez/opencv/pull/1516 "akarsakov" is recommending to build OpenCV without vfw support and open uncompressed video through ffmpeg. That's what I tried to do. I followed basically the instructions mentioned in this video: http://docs.opencv.org/trunk/doc/tutorials/introduction/windows_install/windows_install.html

    I had successfully build opencv with Qt 5.1.1 (http://answers.opencv.org/question/24184/how-to-compile-opencv-247-with-qt-and-ffmpeg/). But I'm not able to get the VideoWriter & VideoCapture work for me. So what I did:

    1. I downloaded the newest ffmpeg build from http://ffmpeg.zeranoe.com/builds/

    2. I generated the vs2010 project disabling VfW and enabling ffmpeg instead:

      Video I/O:
      

      
Video for Windows:           NO
      
DC1394 1.x:                  NO
      
DC1394 2.x:                  NO
      
FFMPEG:                      YES (prebuilt binaries)
      
  codec:                     YES (ver 55.18.102)
      
  format:                    YES (ver 55.12.100)
      
  util:                      YES (ver 52.38.100)
      
  swscale:                   YES (ver 2.3.100)
      
  gentoo-style:              YES
      
  OpenNI:                    NO
      
OpenNI PrimeSensor Modules:  NO
      
PvAPI:                       NO
      
GigEVisionSDK:               NO
      
DirectShow:                  YES
      
Media Foundation:            NO
      
XIMEA:                       NO

    3. I added the include directories and libs for ffmpeg to the highgui module.

    I was not able to compile OpenCV without any errors but the behaviour what I see is not what I expect:

    1. Build OpenCV 2.4.7 without VfW -> VideoWriter.open () returns always false!
    2. Build OpenCV 2.4.7 with VfW -> VideoWriter.open () returns true for the time, calling a release() and an open() on the same object returns always a false.
    3. With or without ffmpeg -> An VideoCapture.open () gives a error message asking for libiconv-2dll!

    Does some had the same problems and is able to point me to my mistake?

    Thank you in advance.
    cheers

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