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Médias (1)
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Bug de détection d’ogg
22 mars 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Video
Autres articles (72)
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La file d’attente de SPIPmotion
28 novembre 2010, parUne file d’attente stockée dans la base de donnée
Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...) -
Les vidéos
21 avril 2011, parComme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...) -
Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
Sur d’autres sites (8954)
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Blending Videos in FFmpeg : Excluding Transparent Areas from the Blend [closed]
12 novembre 2024, par li luI have two videos : one background video and one foreground video (with doves flying, containing an alpha channel). I want to blend these two videos so that only the dove parts participate in the blending, while the transparent parts do not. When I use the ffmpeg blend filter, the overall color of the output video changes, as if the entire video is being blended.


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Guidance on Implementing Custom Designs and Background Effects for Videos [closed]
23 septembre 2023, par Joel SmithI am currently developing a web application that allows users to upload videos on the frontend. The primary goal of my project is to enable users to add custom designs to their videos and apply background effects. I'm using Python for the backend to handle video processing.


I'm seeking advice on the appropriate technologies, libraries, or approaches to achieve the following :


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- Custom Designs : I want to provide users with the ability to overlay custom graphics or text onto their videos. What Python libraries or tools can I use to achieve this ? Are there any best practices for adding graphics and text to videos dynamically ?
- Background Effects : I need to implement the feature to add background effects to uploaded videos. How can I achieve this, and what are the recommended methods or libraries for background replacement or manipulation ?
- Shadow Effects : Additionally, I want to enhance the visual appeal of the videos by adding shadow effects to elements like text or custom designs. What techniques or tools should I explore to achieve this effect ?
4.Combining Videos : To apply background effects, I need to merge the uploaded video with a background video or image seamlessly. What is the best approach to combine videos and maintain video quality during the process ?








I have already implemented the frontend video upload to the backend and would appreciate any insights, code examples, or recommendations that can help me achieve these features effectively.


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Get screenshots out of multiple videos with subtitles
16 mars 2023, par rkjlesI'm trying to get a single frame from a video at every 50 seconds with ffmpeg including the subtitles from multiple videos


The code I know of that will do this from a single video is


ffmpeg -i “video.mkv” -vf “subtitles=subtitles.srt, fps=1/50” img%03d.bmp


But I dont know to tell ffmpeg to do multiple videos with multiple subtitles (the second video being “video2.mkv” the second subtitle being “subtitles2.srt”, and the fps also being 1/50) so that it will do one right after the other


I am new to all of this so if anyone could help me, that would be amazing, thank you