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    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
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  • Creating farms of unique websites

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    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
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  • Librairies et binaires spécifiques au traitement vidéo et sonore

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Sur d’autres sites (6711)

  • ffmpeg Grab Single Frame From Youtube Stream

    11 septembre 2021, par Rich_F

    I'm trying to grab a single frame of a streaming video on Youtube.

    


    This is an example

    


    This is the code structure I'm trying to use :

    


    ffmpeg --verbose -i $(youtube-dl -f 96 --no-playlist 'https://www.youtube.com/watch?v=XMs6LnT5mfk') -frames:1 -pred 1 clip1.jpg


    


    Trying to use youtube-dl to grab part of a stream, doesn't seem to work, and is actually throwing an ffmpeg error at me :

    


    [youtube] Q-44KECp-xQ: Downloading webpage
[youtube] Downloading just video Q-44KECp-xQ because of --no-playlist
[youtube] Q-44KECp-xQ: Downloading m3u8 information
[youtube] Q-44KECp-xQ: Downloading MPD manifest
[download] Destination: Ryde Esplanade & Pier, Isle of Wight UK _ Railcam LIVE 2021-09-11 03_25-Q-44KECp-xQ.mp4

ERROR: ffmpeg exited with code -9


    


    How can I achieve this ? I'm open to reworking this approach, or moving to something completely different. Cheers

    


  • Installing a PHP Extension in WAMP - Idiot's Walkthrough ?

    16 mars 2015, par PeregrineStudios

    I’ve been coding with PHP for a while now, but haven’t needed to look at extensions - until now. These are brand-spanking new to me and while I’ve looked for, and found, other tutorials, many of them are using language that I don’t understand, or telling me to do things I don’t know how - I guess they assume most readers are a little more intelligent than I am !

    So : I need to install the extension FFmpeg (here : http://ffmpeg-php.sourceforge.net/). I’m currently developing on a local wamp server. PHP version 5.5.12, Apache version 2.4.9. At some point I’d like to put whatever I’ve done up on a live server, but that can wait.

    I have exactly, precisely, zero understanding of how to do this. I don’t even know what exactly I’d need to download, or where to put it.

    Is there anyone willing to take the time to tell me how to do this ? A real ’idiot’s guide’, breaking down each and every step for someone who’s never done this or really even anything similar before now.

    Thanks so much in advance for any assistance anyone can offer !

    EDIT : Firstly, thanks for down-voting someone for trying to learn. Appreciate it. Secondly, there was an answer here before, and now it’s gone. What gives ? Was it deleted ? Why ?

    EDIT AGAIN : I managed to find a cached version of the page with the answers still on it. For anyone else who wants the YouTube video one of the comments directed me to, here it is : https://www.youtube.com/watch?v=KIq85Eq28PM - still not sure why it was outright removed without anything else being answered in its place.

  • Watching a livestream that is being ripped by ffmpeg to disk - file updating problem

    22 mai 2021, par merlin

    I am automatically recording daily tv news with ffmpeg, so I can watch them later.

    


    ffmpeg -i https://mcdn.daserste.de/daserste/de/master.m3u8 -c copy Tagesschau.mkv


    


    This works. But let's say ffmpeg recorded for 2 minutes and I open the currently saved file and begin to watch the video stops after some time.
It doesn't continue playing (but ffmpeg is still recording so there must be more video).

    


    Strange thing is even by closing and reopening the file I don't see the new content. Sometimes I have to wait 1-2 minutes till the new content shows up. But in the file manager I see the file is growing in size continuous.

    


    But when I copy/paste the file e.g. in the same directory and reopen the file I can immediately see the complete video content up to date recorded.

    


    Maybe it has to do with file system write buffer ? I tried on ZFS and ext4 (mounted on a samba share). By copy/paste I "trigger" the file system to update the file content ?

    


    Is there a workaround so when I start watching it will play without stopping ?

    


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