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  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • 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.

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    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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  • "Unknown encoder libx264" on Windows [migrated]

    29 novembre 2012, par shampoo

    I'm testing ClipBucket on a Windows XP system, and ClipBucket (open source video share) uses FFmpeg to convert videos. The final command it executes is (i changed it a little to make it compatible with the current FFmpeg) :

    D:\ffmpeg-snapshot-git\ffmpeg\ffmpeg.exe -i C:
    
\wamp\www\chclip/files/conversion_queue/1352973741c353c.mp4 -f flv -vcodec libx2
    
64 -pre normal -r 25 -s 426x240 -aspect 1.775 -vf "pad=10:20:30:40:yellow"  -ac
    
odec libfaac -ab 128000 -ar 22050 C:\wamp\www\chclip/files/videos/13540939451e18
    
4.flv 2> C:\wamp\www\chclip/files/temp/13540939461c124.tmp 2>&1

    And this is the response I get :

    ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
    
built on Nov 19 2012 16:42:42 with gcc 4.6.2 (GCC)
    
configuration:
    
libavutil      52.  8.100 / 52.  8.100
    
libavcodec     54. 73.100 / 54. 73.100
    
libavformat    54. 37.100 / 54. 37.100
    
libavdevice    54.  3.100 / 54.  3.100
    
libavfilter     3. 23.101 /  3. 23.101
    
libswscale      2.  1.102 /  2.  1.102
    
libswresample   0. 16.100 /  0. 16.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\wamp\www\chclip/files/conversion_que
    
ue/1352973741c353c.mp4':
    
Metadata:
    
major_brand     : isom
    
minor_version   : 512
    
compatible_brands: isomiso2avc1mp41
    
encoder         : Lavf53.21.0
    
Duration: 00:00:51.67, start: 0.000000, bitrate: 344 kb/s
    
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 426x240 [
    
SAR 1:1 DAR 71:40], 308 kb/s, 15 fps, 15 tbr, 15 tbn, 30 tbc
    
Metadata:
    
handler_name    : VideoHandler
    
Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 31
    
kb/s
    
Metadata:
    
handler_name    : SoundHandler
    
Unknown encoder 'libx264'

    How can I get this libx264 working in Windows ?

  • Problem on building ffmpeg with libvpx coder - - Windows 10 [on hold]

    1er mars 2019, par Alex Deroza

    have a problem with ffmpeg compil after when —enable-libvpx was added to params. For compilation on Windows 10 I use Msys2, NASM, sources of x264 and ffmpeg 4.1. I’m not fully understand how it all works, can u help me, because I’m very need in vp9 encoder ?

    check_pkg_config libvpx_vp8_decoder vpx >= 1.4.0 vpx/vpx_decoder.h vpx/vp8dx.h vpx_codec_vp8_dx
    
test_pkg_config libvpx_vp8_decoder vpx >= 1.4.0 vpx/vpx_decoder.h vpx/vp8dx.h vpx_codec_vp8_dx
    
pkg-config --exists --print-errors vpx >= 1.4.0
    
Package vpx was not found in the pkg-config search path.
    
Perhaps you should add the directory containing `vpx.pc'
    
to the PKG_CONFIG_PATH environment variable
    
No package 'vpx' found

  • Ffmpeg Windows split 1 video to chunks with random length (no re-encode)

    24 janvier 2021, par Anna Lone

    I have 1 big video file and I need to split it to random length chunks without re-encode.

    


    For example chunks from 130 to 240 seconds.

    


    For windows ffmpeg

    


    Tried this and. Nothing in output folder.

    


    $ times=$(ruby -e 's=[]; d=0; while d < 150 do t=rand(15..50); s << (d+t); d=d+t end; puts s.join(",")')
$ echo $times
15,53,96,124,168
$ ffmpeg -i lutherceleb.mp4 -f segment -segment_times $times -c copy -reset_timestamps 1 -map 0 OUTPUT%d.mp4


    


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