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Autres articles (71)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • 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 (13332)

  • PC Video Conferencing in the Year 1999

    21 juin 2011, par Multimedia Mike — General

    Remember Intel’s custom flavor of H.263 cleverly named I.263 ? I think I have finally found an application that used it thanks to a recent thrift shop raid— Intel Video Phone :



    The root directory of the disc has 2 copies of an intro.avi video. One copy uses Intel Indeo 3 video and PCM audio. The other uses I.263 video and an undetermined (presumably Intel-proprietary) audio codec — RIFF id 0x0402 at a bitrate of 88 kbits/sec for stereo, 22 kHz audio. The latter video looks awful but is significantly smaller (like 4 MB vs. 25 MB).

    This is the disc marked as "Send it to a friend...". Here’s the way this concept was supposed to operate :

    • You buy an Intel Video Phone Camera Pack (forgotten page courtesy of the Internet Archive) which includes a camera and 2 CDs.
    • You install the camera and video phone software on your computer.
    • You send the other CD to the person whom you want to be able to see your face when you’re teleconferencing with them.
    • The other party installs the software.
    • The 2 of you may make an internet phone call presumably using commodity PC microphones for the voice component ; the person who doesn’t have a camera is able to see the person who does have a camera.
    • In a cunning viral/network marketing strategy, Intel encourages the other party to buy the physical hardware as well so that they may broadcast their own visage back to the other person.

    If you need further explanation, the intro lady does a great job :



    I suspect I.263 was the video codec driving this since Indeo 3 would probably be inappropriate for real time video applications due to its vector quantizing algorithm.

  • Using ffmpeg to encode a high quality video

    7 janvier 2013, par CakeMaster

    I have a set of video frames saved as images in a directory, and I'm trying to encode these to a good quality video, however every setting and every format I try produces very noticeable artifacts.

    The basic command is this :

    ffmpeg -r 25 -i %4d.png myvideo.mpg

    and I've tried the minrate and maxrate flags. Any of mpg, avi, mov, flv formats will do.

    Any suggestions for settings ? Final file size is not an issue.

  • transform all the images from the current directory to a video [migrated]

    14 septembre 2011, par FihopZz

    I'd like to use ffmpeg to transform all images from the current directory to a video.
    the image file name is not like, image1.jpg, image2.jpg.

    Thanks,

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