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Autres articles (37)

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    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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, (...)

  • 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.
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Sur d’autres sites (7257)

  • W3C Media Annotations API standard

    10 avril 2010, par silvia

    Recently, I was asked to review the W3C Media Annotations specifications as they are about to go into Last Call (a state that comes before the request for implementations at the W3C). The W3C Media Annotations group has defined a set of metadata that they believe is representative and common (...)

  • hwcontext : Add frame context mapping for nontrivial contexts

    4 mars 2017, par Mark Thompson
    hwcontext : Add frame context mapping for nontrivial contexts

    Some frames contexts are not usable without additional format-specific
    
state in hwctx.  This change adds new functions frames_derive_from and
    
frames_derive_to to initialise this state appropriately when deriving
    
a frames context which will require it to be set.
    

    (cherry picked from commit 27978155bc661eec9f22bcf82c9cfc099cff4365)
    • [DH] libavutil/hwcontext.c
    • [DH] libavutil/hwcontext_internal.h

  • ffmpeg x11grab Fedora 22 cannot open display [on hold]

    4 août 2015, par voor

    Running a fairly recent version of Fedora 22 :

    Linux localhost 4.1.3-200.fc22.x86_64 #1 SMP Wed Jul 22 19:51:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

    Dual screen Acer XB270HU and AOC 2369. Also uses NVIDIA Drivers :

    ➜  ~  rpm -qa | grep nvidia
    
nvidia-driver-libs-352.30-1.fc22.x86_64
    
nvidia-driver-352.30-1.fc22.x86_64
    
nvidia-settings-352.30-1.fc22.x86_64
    
nvidia-libXNVCtrl-352.30-1.fc22.x86_64
    
dkms-nvidia-352.30-1.fc22.x86_64
    
nvidia-driver-libs-352.30-1.fc22.i686

    Whenever I attempt to do a x11grab in ffmpeg I get an error :

    ➜  ~  ffmpeg -f x11grab -r 15 -s 1920x1080 -i :0 -vcodec h264 -crf 30 -y output.mp4
    
ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.1.1 (GCC) 20150422 (Red Hat 5.1.1-1)
    
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-frei0r --enable-gnutls --enable-ladspa --enable-libass --enable-libcdio --enable-libdc1394 --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
    
  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
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  1.100 /  1.  1.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
Invalid MIT-MAGIC-COOKIE-1 key[x11grab @ 0x1fe1d40] Cannot open display :0, error 1.
    
:0: Input/output error

    I’ve tried a few different commands basically copy/pasta from the web on how to do screengrabs. I don’t need audio, just video, and all of them result in the same error.

    I am able to do xwininfo without any problems :

    ➜  ~  xwininfo    
    

    
xwininfo: Please select the window about which you
    
          would like information by clicking the
    
          mouse in that window.
    

    
xwininfo: Window id: 0x1e0006c "linux - ffmpeg x11grab Fedora 22 cannot open display - Stack Overflow - Google Chrome"
    

    
  Absolute upper-left X:  0
    
  Absolute upper-left Y:  27
    
  Relative upper-left X:  0
    
  Relative upper-left Y:  27
    
  Width: 2560
    
  Height: 1413
    
  Depth: 24
    
  Visual: 0x21
    
  Visual Class: TrueColor
    
  Border width: 0
    
  Class: InputOutput
    
  Colormap: 0x20 (installed)
    
  Bit Gravity State: ForgetGravity
    
  Window Gravity State: NorthWestGravity
    
  Backing Store State: NotUseful
    
  Save Under State: no
    
  Map State: IsViewable
    
  Override Redirect State: no
    
  Corners:  +0+27  -1920+27  -1920-0  0
    
  -geometry 2560x14130

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