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Médias (91)
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Collections - Formulaire de création rapide
19 février 2013, par
Mis à jour : Février 2013
Langue : français
Type : Image
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Les Miserables
4 juin 2012, par
Mis à jour : Février 2013
Langue : English
Type : Texte
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Ne pas afficher certaines informations : page d’accueil
23 novembre 2011, par
Mis à jour : Novembre 2011
Langue : français
Type : Image
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The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Texte
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Richard Stallman et la révolution du logiciel libre - Une biographie autorisée (version epub)
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Texte
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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (90)
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Amélioration de la version de base
13 septembre 2013Jolie sélection multiple
Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP 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 (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)
Sur d’autres sites (11052)
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Installing a PHP Extension in WAMP - Idiot's Walkthrough ?
16 mars 2015, par PeregrineStudiosI’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.
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ffmpeg Grab Single Frame From Youtube Stream
11 septembre 2021, par Rich_FI'm trying to grab a single frame of a streaming video on
Youtube
.



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 anffmpeg
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


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How to stream cv2.VideoWriter frames to and RTSP server
10 juin 2022, par chasez0rEnvironment : Docker, Ubuntu 20.04, OpenCV 3.5.4, FFmpeg 4.2.4


Im currently reading the output of a
cv2.VideoCapture
session using theCV_FFMPEG
backend and successfully writing that back out in real time to a file usingcv2.VideoWriter
. The reason I am doing this is to drawing bounding boxes on the input and saving it to a new output.

The problem is I am doing this in a headless environment (Docker container). And I’d like to view what's being written to
cv2.VideoWriter
in realtime.

I know there are ways to pass my display through using XQuartz for example so I could use
cv2.imshow
. But what I really want to do is write those frames to an RTSP Server. So not only my host can "watch" but also other hosts could watch too.

After the video is released I can easily stream the video to my RTSP Server using this command.


ffmpeg -re -stream_loop -1 -i output.mp4 -c copy -f rtsp rtsp://rtsp_server_host:8554/stream


Is there anyway to pipe the frames as they come in to the above command ? Can
cv2.VideoWriter
itself write frames to an RTSP Server ?

Any ideas would be much appreciated ! Thank you.