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Autres articles (17)

  • Keeping control of your media in your hands

    13 avril 2011, par

    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 (...)

  • Contribute to a better visual interface

    13 avril 2011

    MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
    Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.

  • Les statuts des instances de mutualisation

    13 mars 2010, par

    Pour des raisons de compatibilité générale du plugin de gestion de mutualisations avec les fonctions originales de SPIP, les statuts des instances sont les mêmes que pour tout autre objets (articles...), seuls leurs noms dans l’interface change quelque peu.
    Les différents statuts possibles sont : prepa (demandé) qui correspond à une instance demandée par un utilisateur. Si le site a déjà été créé par le passé, il est passé en mode désactivé. publie (validé) qui correspond à une instance validée par un (...)

Sur d’autres sites (3358)

  • x264 rate control set

    2 juillet 2015, par chinayin

    I have been learning x264 encode for months. What I need is to control the rate and get an average bitrate. Following is my set, I got an average bitrate but the picture quality is bad, so I need your suggestion or something that can help me learn more about x264.

    Params.rc.i_rc_method = X264_RC_ABR ;
    
Params.rc.i_bitrate = nBitRate*0.65/1000  ;
    
Params.rc.i_vbv_buffer_size = nBitRate/1000;
    
Params.rc.i_vbv_max_bitrate = nBitRate*0.65/1000 ;
    
Params.rc.f_vbv_buffer_init = 1.0 ;
    
Params.rc.f_rate_tolerance = 1.0 ;                              
    
Params.i_fps_num =  ParamIn.dFrameRate*0.6 ;
    
Params.i_fps_den = 1 ;
    
Params.i_width = ParamIn.nWidth ;
    
Params.i_height = ParamIn.nHeight ;

  • Video streaming with ipCamera in iphone

    6 juillet 2013, par user1120998

    I am developing app for the connecting ip camera and get stream. I don't know how to convert stream into video. I have analysed, and then i tried FFMPEG library. But i did not get correct url for ios with FFMPEG. Can you suggest the guide for implementation.

    Now i am integrating ffmpeg, when i integrated i got the error when opening avformat_find_stream_info() function. I used the increase or less the value of pFormatCtx->max_analyze_duration. But no solution for this.

    [mjpeg @ 0x8b85000] max_analyze_duration 1000 reached at 40000
    [mjpeg @ 0x8b85000] Estimating duration from bitrate, this may be inaccurate

    Pls help how to solve this.

  • FFmpeg with PHP causes Internal Server Error

    19 novembre 2015, par Scott Heath

    I have a PHP script that calls exec() to convert video files using ffmpeg. The script works fine with smaller files, but larger files, usually around 20MB, produce a 500 Internal Server Error after the conversion has run for about 45 seconds.

    The max_execution_time is set to 600 seconds (10 minutes) and the max post and upload sizes are set to 1000 MB. The server is Unix based and is not running in safe mode.

    Although the issue only happens with larger sizes, I’m not even sure it’s a file size issue. The script will pass with a 12.6MB MOV file but will fail with an 11MB MP4 file.

    Below is the exec() line from my script :

    exec('ffmpeg -y -i '.escapeshellarg($uploadFile).' -vcodec libx264 -ab 128k -ac 2 -b 640k -g 300 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -maxrate 10M -bufsize 10M -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -level 30 '.$convertFile);

    Thanks !

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