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Autres articles (76)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • L’agrémenter visuellement

    10 avril 2011

    MediaSPIP est basé sur un système de thèmes et de squelettes. Les squelettes définissent le placement des informations dans la page, définissant un usage spécifique de la plateforme, et les thèmes l’habillage graphique général.
    Chacun peut proposer un nouveau thème graphique ou un squelette et le mettre à disposition de la communauté.

  • 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 (9148)

  • HTML5 video (mp4) won't seek properly with Firefox 37/38/39 on Apache

    10 juin 2015, par degenerate

    Edit : Turns out this is actually a Firefox bug.

    Firefox will not seek properly past the loaded point in any mp4. It doesn’t matter what program encoded the file or where it came from ! I am hosting on Apache 2.2.29

    Obvious things you will probably ask me :

    • Yes I used -movflags faststart when encoding with ffmpeg
    • Yes AddType video/mp4 .mp4 is set correctly
    • This is a new problem without any changes to the server ; only the newer firefox (version 36, 37, 38+) has this issue.
    • Chrome works WONDERFULLY so this is a problem isolated to Firefox, and only started happening sometime in 2015 with one of the newer versions. Nothing was changed on the server.

    Firefox makes hundreds of requests after seeking to any point in the mp4. The closer to the end of the file, the more requests are made. Eventually after several minutes it will stop sending requests and finish playing ; I assume when this happens it has downloaded the entire mp4.

    Notice the byte-range request on chrome has a definitive size, yet all the requests one firefox are XXXXXX- with no ending byte...

    (FIREFOX = BAD, hundreds of requests — right click image to see full resolution)

    Firefox makes thousands of 206 requests on seek

    (CHROME = GOOD, one single request)

    Chrome makes one request as expected

    Regarding keep-alives : I tried turning keepalive on and off. I get the same results in both browsers. Chrome is always able to seek, firefox is never able to seek.

  • ffmpeg converted file from H264/AAC to MP4/MP2 but Archos still complans

    17 mai 2015, par barrycarter

    My Archos video player won’t play H264 video or AAC audio without a
    non-free special plugin (which may not even be available for purchase
    anymore), so I tried to use ffmpeg to convert a file in this format to
    a format free of those two encodings, but Archos still complained that
    the resulting file had AAC audio encoding, though it no longer
    complained about the video encoding. Details :

    > ffmpeg -i input.mp4
    

    
ffmpeg version 2.6.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 4.4.1 (GCC) 20090725 (Red Hat 4.4.1-2)
    
  configuration: --disable-yasm
    
  libavutil      54. 20.100 / 54. 20.100
    
  libavcodec     56. 26.100 / 56. 26.100
    
  libavformat    56. 25.101 / 56. 25.101
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 11.102 /  5. 11.102
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  1.100 /  1.  1.100
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xabf72c0] overread end of atom 'colr' by 1 bytes
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: mp42isomavc1
    
    creation_time   : 2012-04-26 15:17:03
    
    encoder         : HandBrake 0.9.6 2012022800
    
  Duration: 00:07:43.19, start: 0.000000, bitrate: 55 kb/s
    
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709), 320x240 [SAR 1:1 DAR 4:3], 5 kb/s, 10 fps, 10 tbr, 90k tbn, 180k tbc (default)
    
    Metadata:
    
      creation_time   : 2012-04-26 15:17:03
    
      encoder         : JVT/AVC Coding
    
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, mono, fltp, 47 kb/s (default)
    
    Metadata:
    
      creation_time   : 2012-04-26 15:17:03
    
At least one output file must be specified

    (I realize "ffmpeg -i" is incorrect usage, but it’s really useful, as above).

    • I then converted it using ffmpeg -i input.mp4 -acodec mp2 output.mp4 (note the video conversion is implicit because the
      output file has an mp4 extension). The resulting file (13.8M) is at :
      http://oneoff.barrycarter.info/output.mp4

    • "ffmpeg -i" on the output file shows :

    > ffmpeg -i output.mp4 
    

    
ffmpeg version 2.6.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 4.4.1 (GCC) 20090725 (Red Hat 4.4.1-2)
    
  configuration: --disable-yasm
    
  libavutil      54. 20.100 / 54. 20.100
    
  libavcodec     56. 26.100 / 56. 26.100
    
  libavformat    56. 25.101 / 56. 25.101
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 11.102 /  5. 11.102
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  1.100 /  1.  1.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'output.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2mp41
    
    encoder         : Lavf56.25.101
    
  Duration: 00:07:43.15, start: 0.000000, bitrate: 239 kb/s
    
    Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 77 kb/s, 10 fps, 10 tbr, 10240 tbn, 10 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
    Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 22050 Hz, mono, s16p, 159 kb/s (default)
    
    Metadata:
    
      handler_name    : SoundHandler
    
At least one output file must be specified

    Even though there’s no mention of AAC above, Archos claims the file
    contains AAC encoding and refuses to play it without the plugin.

    What am I doing wrong ? Is there a better way to do this ?

  • Download brightcove video

    17 mai 2015, par desert877

    So I have sucessfully downloaded flash videos on in the past but for some reason I am having issues with a local news report. The video I am trying to download is :

    http://www.kens5.com/story/news/2015/04/07/one-dead-after-shooting-at-north-side-auto-body-shop/25444855/

    When I check network sources I get the following output :

    http://kens-vh.akamaihd.net/z/video/25446645/25446645_,350,640,1000,2000,.mp4.csmil/3_5e4ebc852f616aa3_Seg1-Frag7?videoId=4159855028001&lineUpId=&pubId=3616287834001&playerId=3626703558001&affiliateId=&als=16.11,30,12.83,3,2176,13298,30,0,0,114,f,7.9,101.94,f,s,SCJIPJRDQHXW,3.4.0,114&hdcore=3.4.0

    I downloaded a tool recommend to me call ffmpeg and ran a command from a forum that said "Invalid data found when processing input". Unable to figure out issue there.

    Does any one know any scripts/code/tools/methods whatever that I can use to download this video ?

    Any help would be great.

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