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  • Contribute to documentation

    13 April 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including: critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • 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 (...)

  • Installation en mode ferme

    4 February 2011, by

    Le mode ferme permet d’héberger plusieurs sites de type MediaSPIP en n’installant qu’une seule fois son noyau fonctionnel.
    C’est la méthode que nous utilisons sur cette même plateforme.
    L’utilisation en mode ferme nécessite de connaïtre un peu le mécanisme de SPIP contrairement à la version standalone qui ne nécessite pas réellement de connaissances spécifique puisque l’espace privé habituel de SPIP n’est plus utilisé.
    Dans un premier temps, vous devez avoir installé les mêmes fichiers que l’installation (...)

On other websites (3910)

  • how to encode mp4 from movie content for wowza streaming?

    15 July 2014, by lng0415

    i want to encode to mp4(h.264 codec) from avi,mpg..... for wowza streaming.

    encode mp4 using ffmpeg, jave.

    encode is success, but wowza streaming is not work on android and iphone OS.
    (it’s play successfully on my PC)

    please help me.

    thank you.

    ps. i’m sorry. i’m poor at english.

    [using jave]

    File source = new File("D://temp/20140704_163504.mp4");
    
File target = new File("D://temp/jave.mp4");
    

    
AudioAttributes audio = new AudioAttributes();
    
audio.setCodec("libmp3lame");
    
audio.setBitRate(new Integer(64000));
    
audio.setChannels(new Integer(1));
    
audio.setSamplingRate(new Integer(22050));
    

    
VideoAttributes video = new VideoAttributes();
    
video.setCodec("h263");
    
video.setBitRate(new Integer(320000));
    
video.setFrameRate(new Integer(15));
    
video.setSize(new VideoSize(400, 300));
    

    
EncodingAttributes attrs = new EncodingAttributes();
    
attrs.setFormat("mp4");
    
attrs.setAudioAttributes(audio);
    
attrs.setVideoAttributes(video);
    
Encoder encoder = new Encoder();
    
encoder.encode(source, target, attrs);

  • FFMpeg video recorder - Android

    30 April 2014, by Ganesh

    I’ve used ffmpeg video recorder for android.

    it has used videocodec as MPEG4.

    private int videoCodec = avcodec.AV_CODEC_ID_MPEG4;

    video is showing android and iphone device. but video not playing on browser only audio playing on browser.

    I’ve checked HTML5 video requires MP4 videos with H264 video codec and AAC audio codec

    Chrome doesn’t display html5 video but plays audio

    I’ve changed videocodec as below

    private int videoCodec = avcodec.AV_CODEC_ID_H264;

    My question is,

    when i use Mpeg4, video croping time is less.
    But when i use H264 , video croping time takes more.

    How to reduce the video croping time when use H264 or anyother videocode support to browser and minimum processing time for video croping.?

  • ffmpeg - Incompatible sample format '(null)'

    17 June 2012, by abrahab

    I convert videos from different sources with ffmpeg to mp4 with libx264 codec. After conversation time to time I got incorrect format error when trying to load already converted video with ffmpeg: Incompatible sample format '(null)' for codec 'aac', auto-selecting format 's16'

    Seems, it is audio stream problem with aac codec? How to fix or how to convert videos to mp4 to be sure that I will not get the following error? Maybe somehow need to specify audio format at the ffmpeg convert command ?

    ps. Video must work at Iphone/Ipad.
    pps. the main problem, that such videos with the following error can not be pseudo-streamed with nginx (got 500 Error)
    ppps. and sorry for my bad english, please, correct my text if need. thanks.

    Some additional info from file:

      Duration: 00:00:10.30, start: 0.000000, bitrate: 614 kb/s
    
    Stream #0.0(rus): Video: h264 (High), yuv420p, 1024x576, 567 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
    Stream #0.1(rus): Audio: aac, 22050 Hz, stereo, s16, 57 kb/s
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00

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