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  • 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 (...)

  • Les statuts des instances de mutualisation

    13 mars 2010, par

    Pour des raisons de compatibilité générale du plugin de gestion de mutualisations avec les fonctions originales de SPIP, les statuts des instances sont les mêmes que pour tout autre objets (articles...), seuls leurs noms dans l’interface change quelque peu.
    Les différents statuts possibles sont : prepa (demandé) qui correspond à une instance demandée par un utilisateur. Si le site a déjà été créé par le passé, il est passé en mode désactivé. publie (validé) qui correspond à une instance validée par un (...)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

Sur d’autres sites (5138)

  • Compilied Ffmpeg not accepting -c:v and -c:a

    2 février 2020, par King Horse

    I complied FFMPEG with libsrt, with the online compile guide. https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu & how to compile ffmpeg with enabling libsrt

    It seems to compile correctly.

    ffmpeg version N-96575-g843c24a Copyright (c) 2000-2020 the FFmpeg developers
    
built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
    
configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/ubuntu/bin --enable-gpl --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libsrt --enable-nonfree
    
libavutil      56. 38.100 / 56. 38.100
    
libavcodec     58. 67.100 / 58. 67.100
    
libavformat    58. 37.100 / 58. 37.100
    
libavdevice    58.  9.103 / 58.  9.103
    
libavfilter     7. 72.100 /  7. 72.100
    
libswscale      5.  6.100 /  5.  6.100
    
libswresample   3.  6.100 /  3.  6.100
    
libpostproc    55.  6.100 / 55.  6.100

    But when running this command to convert a incoming srt stream to HLS, it doesn’t know the -c:a command. When switching the order, it runs that it doesn’t know about the -c:v command.

    ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316&mode=listener -c:a copy -c:v copy -strict -f hls -hls_time 4 -hls_playlist_type event stream.m3u8
    ~$ ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316&mode=listener -c:a copy -c:v copy -strict -f hls -hls_time 4 -hls_playlist_type event stream.m3u8
    
[2] 9930
    
ffmpeg version N-96575-g843c24a Copyright (c) 2000-2020 the FFmpeg developers
    
  built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
    
  configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/ubuntu/bin --enable-gpl --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libsrt --enable-nonfree
    
  libavutil      56. 38.100 / 56. 38.100
    
  libavcodec     58. 67.100 / 58. 67.100
    
  libavformat    58. 37.100 / 58. 37.100
    
  libavdevice    58.  9.103 / 58.  9.103
    
  libavfilter     7. 72.100 /  7. 72.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
-c:a: command not found
    

    
[2]+  Stopped                 ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316

    I have searched the issue, but I could not find anything similar.
    Does someone what I have missed in the setup ?

    Everything is manual complied through the guide, this was the final command I run to compile FFMPEG :

    cd ~/ffmpeg_sources && \
    
wget -O ffmpeg-snapshot.tar.bz2 https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 && \
    
tar xjvf ffmpeg-snapshot.tar.bz2 && \
    
cd ffmpeg && \
    
PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
    
  --prefix="$HOME/ffmpeg_build" \
    
  --pkg-config-flags="--static" \
    
  --extra-cflags="-I$HOME/ffmpeg_build/include" \
    
  --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
    
  --extra-libs="-lpthread -lm" \
    
  --bindir="$HOME/bin" \
    
  --enable-gpl \
    
  --enable-libaom \
    
  --enable-libass \
    
  --enable-libfdk-aac \
    
  --enable-libfreetype \
    
  --enable-libmp3lame \
    
  --enable-libopus \
    
  --enable-libvorbis \
    
  --enable-libvpx \
    
  --enable-libx264 \
    
  --enable-libx265 \
    
  --enable-libsrt \
    
  --enable-nonfree && \
    
PATH="$HOME/bin:$PATH" make && \
    
make install && \
    
hash -r

  • Compiled FFmpeg not accepting -c:v and -c:a

    13 mars 2020, par King Horse

    I compiled FFmpeg with libsrt, with the online compile guide. https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu & how to compile ffmpeg with enabling libsrt

    It seems to compile correctly.

    ffmpeg version N-96575-g843c24a Copyright (c) 2000-2020 the FFmpeg developers
    
built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
    
configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/ubuntu/bin --enable-gpl --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libsrt --enable-nonfree
    
libavutil      56. 38.100 / 56. 38.100
    
libavcodec     58. 67.100 / 58. 67.100
    
libavformat    58. 37.100 / 58. 37.100
    
libavdevice    58.  9.103 / 58.  9.103
    
libavfilter     7. 72.100 /  7. 72.100
    
libswscale      5.  6.100 /  5.  6.100
    
libswresample   3.  6.100 /  3.  6.100
    
libpostproc    55.  6.100 / 55.  6.100

    But when running this command to convert a incoming SRT stream to HLS, it doesn’t know the -c:a command. When switching the order, it runs that it doesn’t know about the -c:v command.

    ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316&mode=listener -c:a copy -c:v copy -strict -f hls -hls_time 4 -hls_playlist_type event stream.m3u8
    ~$ ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316&mode=listener -c:a copy -c:v copy -strict -f hls -hls_time 4 -hls_playlist_type event stream.m3u8
    
[2] 9930
    
ffmpeg version N-96575-g843c24a Copyright (c) 2000-2020 the FFmpeg developers
    
  built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
    
  configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/ubuntu/bin --enable-gpl --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libsrt --enable-nonfree
    
  libavutil      56. 38.100 / 56. 38.100
    
  libavcodec     58. 67.100 / 58. 67.100
    
  libavformat    58. 37.100 / 58. 37.100
    
  libavdevice    58.  9.103 / 58.  9.103
    
  libavfilter     7. 72.100 /  7. 72.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
-c:a: command not found
    

    
[2]+  Stopped                 ffmpeg -re -i srt://0.0.0.0:25000?pkt_size=1316

    I have searched the issue, but I could not find anything similar.
    Does someone know what I have missed in the setup ?

    Everything is manually compiled through the guide, this was the final command I run to compile FFmpeg :

    cd ~/ffmpeg_sources && \
    
wget -O ffmpeg-snapshot.tar.bz2 https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 && \
    
tar xjvf ffmpeg-snapshot.tar.bz2 && \
    
cd ffmpeg && \
    
PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
    
  --prefix="$HOME/ffmpeg_build" \
    
  --pkg-config-flags="--static" \
    
  --extra-cflags="-I$HOME/ffmpeg_build/include" \
    
  --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
    
  --extra-libs="-lpthread -lm" \
    
  --bindir="$HOME/bin" \
    
  --enable-gpl \
    
  --enable-libaom \
    
  --enable-libass \
    
  --enable-libfdk-aac \
    
  --enable-libfreetype \
    
  --enable-libmp3lame \
    
  --enable-libopus \
    
  --enable-libvorbis \
    
  --enable-libvpx \
    
  --enable-libx264 \
    
  --enable-libx265 \
    
  --enable-libsrt \
    
  --enable-nonfree && \
    
PATH="$HOME/bin:$PATH" make && \
    
make install && \
    
hash -r

  • ffmpeg : video to aligned audio (audio too short)

    16 octobre 2020, par mcb

    I want to extract an aligned audio stream from a video. The goal is to obtain an audio sequence that is precisely aligned with the video.

    


    Issue : The video and audio sequences are not aligned. The output audio duration is shorter than the video input.

    


    Script to reproduce :

    


    fn=TV-20200617-2242-4900.websm.h264
url=https://download.media.tagesschau.de/video/2020/0617/$fn.mp4
wget -nc $url

ffmpeg -y -i "$fn.mp4" -vsync 1 -async 1 -map 0:a "$fn.wav" -map 0:v "$fn.flv"

ffprobe -i $fn.mp4  # Duration: 00:01:51.68
ffprobe -i $fn.flv  # Duration: 00:01:51.68
ffprobe -i $fn.wav  # Duration: 00:01:49.61


    


    What I have tried (without success) :

    


      

    • Adding -async 1 as suggested in this answer.

      • 


    • Adding -acodec copy and exporting the video at the same time (link).

      • 


    • Opening the mp4 in Audacity. The duration there is 00:01:49.61.

      • 


    • Opening the mp4 in VLC. Duration : 00:01:51.68.

      • 


    • Explicitly setting the framerate.

      • 


    • Other video files.

      • 


    


    ffmpeg version 4.2.4-1ubuntu0.1

    


    I would appreciate any hint on how to make this work. Thank you.

    


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