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Autres articles (104)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • 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, (...)

Sur d’autres sites (12313)

  • How to install libx265 for ffmpeg on Mac OSX

    20 octobre 2019, par Spencer

    I have tried multiple guides here (search for "Building libx265") and here with no success. Both times I made sure I uninstalled ffmpeg first, went through the guides, then ran

    brew install ffmpeg --with-fdk-aac --with-freetype --with-libass --with-libvpx --enable-libx265

    No matter what when I go to run a command like

    ffmpeg -i source.mkv -c:v libx265 test1.mkv

    I get the error :

    Unknown encoder 'libx265'

    Has anyone had success building libx265 for use with ffmpeg on OSX and can you please share how you did it ?

    P.S. I am running OSX 10.11.3

  • ffmpeg doesn't recognize Quicktime DV codec

    8 août 2017, par 3pointedit

    I have had success with excellent advice, on a Mac OSX10.5, converting a modified MXF media structure to h264 while retaining multitrack audio. But I cannot get ffmpeg to work in Windows environment.

    See this page.

    Here’s the result of latest failure-

    Microsoft Windows [Version 6.1.7601]
    
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
    

    
F:\>h:
    

    
H:\>cd conversion folder
    

    

    
H:\Conversion folder>ffmpeg ffmpeg -report -enable_drefs 1 -use_absolute_path 1
    
-i fdb9_AerialsEagleFarm_0610.mov -map 0:v -map 0:a -write_tmcd 1 fd9_AerialsEag
    
leFarm_A0609.mp4
    
ffmpeg started on 2017-08-08 at 15:01:24
    
Report written to "ffmpeg-20170808-150124.log"
    
ffmpeg version N-86950-g1bef008 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 7.1.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --e
    
nable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --
    
enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
    
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-li
    
bfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug -
    
-enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enabl
    
e-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
    
bsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolam
    
e --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
    
 --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable
    
-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
    
  libavutil      55. 70.100 / 55. 70.100
    
  libavcodec     57.102.100 / 57.102.100
    
  libavformat    57. 76.100 / 57. 76.100
    
  libavdevice    57.  7.100 / 57.  7.100
    
  libavfilter     6. 98.100 /  6. 98.100
    
  libswscale      4.  7.102 /  4.  7.102
    
  libswresample   2.  8.100 /  2.  8.100
    
  libpostproc    54.  6.100 / 54.  6.100
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'video.vid' for reading
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 0, error opening alias: path
    
='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/video.vid', dir='fdb
    
9_AerialsEagleFarm_0610.vmf', filename='video.vid', volume='default', nlvl_from=
    
1, nlvl_to=1
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_0.pcm' for reading
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 1, error opening alias: path
    
='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_0.pcm', dir='f
    
db9_AerialsEagleFarm_0610.vmf', filename='audio_0.pcm', volume='default', nlvl_f
    
rom=1, nlvl_to=1
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_1.pcm' for reading
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 2, error opening alias: path
    
='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_1.pcm', dir='f
    
db9_AerialsEagleFarm_0610.vmf', filename='audio_1.pcm', volume='default', nlvl_f
    
rom=1, nlvl_to=1
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_2.pcm' for reading
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 3, error opening alias: path
    
='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_2.pcm', dir='f
    
db9_AerialsEagleFarm_0610.vmf', filename='audio_2.pcm', volume='default', nlvl_f
    
rom=1, nlvl_to=1
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_3.pcm' for reading
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 4, error opening alias: path
    
='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_3.pcm', dir='f
    
db9_AerialsEagleFarm_0610.vmf', filename='audio_3.pcm', volume='default', nlvl_f
    
rom=1, nlvl_to=1
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Could not find codec parameters for
    
 stream 0 (Video: dvvideo (dvpp / 0x70707664), none, 720x576, 28800 kb/s): unspe
    
cified pixel format
    
Consider increasing the value for the 'analyzeduration' and 'probesize' options
    
Guessed Channel Layout for Input Stream #0.1 : mono
    
Guessed Channel Layout for Input Stream #0.2 : mono
    
Guessed Channel Layout for Input Stream #0.3 : mono
    
Guessed Channel Layout for Input Stream #0.4 : mono
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'fdb9_AerialsEagleFarm_0610.mov':
    
  Metadata:
    
    creation_time   : 2016-10-06T07:01:58.000000Z
    
  Duration: 00:12:43.90, start: 0.000000, bitrate: 1 kb/s
    
    Stream #0:0(eng): Video: dvvideo (dvpp / 0x70707664), none, 720x576, 28800 k
    
b/s, SAR 118:81 DAR 295:162, 25 fps, 25 tbr, 2500 tbn, 2500 tbc (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Alias Data Handler
    
      timecode        : 01:17:27:12
    
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
    
 768 kb/s (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:2(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
    
 768 kb/s (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:3(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
    
 768 kb/s (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:4(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
    
 768 kb/s (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Alias Data Handler
    
    Stream #0:5(eng): Data: none (tmcd / 0x64636D74) (default)
    
    Metadata:
    
      creation_time   : 2016-10-06T07:01:58.000000Z
    
      handler_name    : Apple Handle Data Handler
    
      timecode        : 01:17:27:12
    
[NULL @ 00000000005cad20] Unable to find a suitable output format for 'ffmpeg'
    
ffmpeg: Invalid argument

    And a screen grab of file structure (although I’m using an alias for target)

    alt mxf media

  • ffmpeg : Setting GOP structure, Picture structure when converting to MPEG-2 [on hold]

    27 juin 2017, par Jude

    I have a yuv file named src9_ref__625.yuv from the following website :
    ftp://vqeg.its.bldrdoc.gov/SDTV/VQEG_PhaseI/TestSequences/Reference/

    It contains 720 pixels (1440 bytes) per horizontal line and has 576 active lines per frame. Each line is in multiplexed 4:2:2 component video format as follows : Cb Y Cr Y ... 720 Y bytes per line, 360 Cb bytes per line, 360 Cr bytes per line.

    How to convert that file to MPEG-2 with following coding parameters :

    • GOP Structure : Automatic
    • Picture Structure : Alw Frame
    • Profile/Level : MP@ML

    ...as suggested in this article :
    http://iie.fing.edu.uy/publicaciones/2009/JL09/JL09.pdf

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