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Autres articles (61)

  • 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" (...)

  • Submit enhancements and plugins

    13 avril 2011

    If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
    You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone.

Sur d’autres sites (6986)

  • 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.

  • How to use Libmms functions

    29 août 2012, par MobiDev

    I am looking for an example of how to use the libmms and ffmpeg to stream a mms audio ? Now i have imported both libraries on my xcode project, and i think the 1st thing to do is call mms_connect(), but i dont know what arguments to use.

    Many thanks in advance.

  • Streaming without Content-Length in response

    29 août 2011, par kain

    I'm using Node.js, Express (and connect), and fluent-ffmpeg.

    We want to stream audio files that are stored on Amazon S3 through http.

    We have all working, except that we would like to add a feature, the on-the-fly conversion of the stream through ffmpeg.

    This is working well, the problem is that some browsers checks in advance before actually getting the file.

    Incoming requests containing the Range header, for which we reply with a 206 with all the info from S3, have a fundamental problem : we need to know in advance the content-length of the file.

    We don't know that since it is going through ffmpeg.

    One solution might be to write out the resulting content-length directly on S3 when storing the file (in a special header), but this means we have to go through the pain of having queues to encode after upload just to know the size for future requests.
    It also means that if we change compressor or preset we have to go through all this over again, so it is not a viable solution.

    We also noticed big differencies in the way Chrome and Safari request the audio tag src, but this may be discussion for another topic.

    Fact is that without a proper content-length header in response everything seems to break or browsers goes in an infinite loop or restart the stream at pleasure.

    Ideas ?

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