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Autres articles (78)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • MediaSPIP Player : problèmes potentiels

    22 février 2011, par

    Le lecteur ne fonctionne pas sur Internet Explorer
    Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
    Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (4912)

  • Centos Video Optimizer

    2 février 2012, par Arjun Neras

    I have a lot of MP4 files on my server. And my aim is to get them to stream on android mobiles.

    The resolution of the videos are at 480×272 and this is not a problem because I tested it and most androids are able to stream it. But the problem is the size of the video. The streaming is slow and it buffers a lot because of its size.

    I need a converter that can decrease the size to around 50-60MB. With only a little decrease in quality. If possible, the output file should overwrite the input file.

    Can you think of any way I can do this work in minimum time ? My server is CENTOS and I have FFMPEG, MP4Box installed.

  • split the video in several part using ffmpeg

    2 février 2012, par Himiko

    I want to write a small program with help of ffmpeg. I want to process a video by cut the video into several parts, left part, right part...etc.
    How can I do it using ffmpeg ? By the way, are there any documentation explain the API of the ffmpeg ?

  • Video converted to FLV using FFMPEG gets 0 size

    11 novembre 2011, par Sudhir

    I'm trying to convert avi file to flv format using FFMPEG on server, but its giving me problems. On conversion, the file is converted to flv format but no data (0 kb size file). Tried debugging the code but could not. The FFMPEG is installed in CentOS, in path /usr/bin/ffmpeg, and i'm using following command for conversion :

    $srcFile = "/home/mydomain/public_html/demo/test/sample.avi" ;
$destFile = "/home/mydomain/public_html/demo/test/sample_again.flv" ;

    $ffmpegPath = "/usr/bin/ffmpeg" ;
    
$flvtool2Path = "/usr/local/bin/flvtool2" ;
    

    $command = $ffmpegPath . " -y -i " . $srcFile .  " -ar 32000 -ab 32000 -f flv -s 320x240 ".
    
$destFile . " | " . $flvtool2Path . " -U stdin " . $destFile ;
    

    exec($command, $output) ;
    
print_r($output) ;

    I tried doing :

    exec("which ffmpeg") ;

    And it gave me the path /usr/bin/ffmpeg, but get following error when i execute the code :

    Array ( 
[0] => ERROR : undefined method `timestamp' for nil:NilClass 
[1] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flv/stream.rb:285:in `lasttimestamp' 
[2] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flv/stream.rb:274:in `duration' 
[3] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:181:in `add_meta_data_tag' 
[4] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:137:in `update' 
[5] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:47:in `send' 
[6] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:47:in `execute !' 
[7] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:46:in `each' 
[8] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:46:in `execute !' 
[9] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:206:in `process_files' 
[10] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:44:in `execute !' 
[11] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2.rb:168:in `execute !' 
[12] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2.rb:228 
[13] => ERROR : /usr/local/bin/flvtool2:2:in `require' 
[14] => ERROR : /usr/local/bin/flvtool2:2 
)

    What could be the problem. Is this the problem of Flvtool2, if yes then what is it. Please suggest something

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