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  • MediaSPIP 0.1 Beta version

    25 April 2011, by

    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 (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 February 2011, by

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • HTML5 audio and video support

    13 April 2011, by

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

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  • ffmpeg selects shortest movie but leaves full length audio

    26 October 2015, by Stan James

    I’ve created a tool to create a grid of movies, like in the Brady Bunch opening. It’s a cool, funny effect.

    Here’s a sample movie showing the grid.

    Grid of movies in ffmpeg output

    The problem is that ffmpeg is choosing the shortest movie to determine the maximum length of overlaid videos, but still using the full length of the first audio track to determine the overall output movie length.

    So all my videos stop moving when the shortest one ends, but the audio plays on for full length of the first movie.

    How can I either (1) set the length of the output movie to the longest input movie or (2) match the audio length to the shortest movie length as well?

    Gist of my script.

    Based on this ffmpeg example usage which exhibits the same audio problem:

    ffmpeg
    
    -i 1.avi -i 2.avi -i 3.avi -i 4.avi
    
    -filter_complex "
    
        nullsrc=size=640x480 [base];
    
        [0:v] setpts=PTS-STARTPTS, scale=320x240 [upperleft];
    
        [1:v] setpts=PTS-STARTPTS, scale=320x240 [upperright];
    
        [2:v] setpts=PTS-STARTPTS, scale=320x240 [lowerleft];
    
        [3:v] setpts=PTS-STARTPTS, scale=320x240 [lowerright];
    
        [base][upperleft] overlay=shortest=1 [tmp1];
    
        [tmp1][upperright] overlay=shortest=1:x=320 [tmp2];
    
        [tmp2][lowerleft] overlay=shortest=1:y=240 [tmp3];
    
        [tmp3][lowerright] overlay=shortest=1:x=320:y=240
    
    "
    
    -c:v libx264 output.mkv

  • Loop movie and mix with audio by ffmpeg

    29 November 2020, by whitebear

    I have a movie file and an audio file with different length.

    


    Audio file is longer than video file.

    


    I want to loop video and mix with audio, then set length same as audio file.

    


    ffmpeg -i "Pentagon_VJ_background_loop.mp4" -stream_loop -1 -t 60 -i "Out1.wav"  -map 0:0 -map 1:0 output.mp4


    


    With this I have -stream_loop -1 but movie doesn't loop. and have no way to set the length to audio file(I use -t 60 instead).

    


    Does anyone help??

    


  • hwcontext_vulkan: unify download/upload functions

    24 November 2020, by Lynne
    hwcontext_vulkan: unify download/upload functions

    They were identical, save for variable names and order.
    • [DH] libavutil/hwcontext_vulkan.c

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