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Autres articles (70)
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)
Sur d’autres sites (11944)
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Does file size of an encoded video scales proportionally with FPS if a video is encoded in H265 ?
20 juin 2021, par user482594If I encode a raw 60fps video with an H.265 encoder, one with 30 fps and the other with 60fps, would the file size of a 60fps encoded video be as twice as big as 30fps H.265 video ? (assuming all other parameters are the same. e.g. Same CRF/twopass parameters)


In other words, if I happen to encode the same source video with 10 fps, would the outcome encoded video has about 1/6 the file size of 60 fps encoded video ?


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How to increase video quality of combined video and audio file using ffmpeg
29 juin 2022, par jettzeongI have a scraper script that I am using which utilizes PRAW module to scrape reddit for media.


To downloaded reddit videos, I have written the code below :


video_url = submission.media['reddit_video']['fallback_url'] 
 audio_url = submission.url + "/audio"
 print('Video: ' + video_url)
 print('Audio: ' + audio_url)
 video = requests.get(video_url).content
 audio = requests.get(audio_url).content
 videoname = "D:\\Bot\\reddit_scrape\\" + submission.id + '_video.mp4'
 audioname = "D:\\Bot\\reddit_scrape\\" + submission.id + '_audio.mp4'
 filename = "D:\\Bot\\reddit_scrape\\" + submission.id + '.mp4'
 
 with open(videoname, 'wb') as handler:
 handler.write(video)
 with open(audioname, 'wb') as handler:
 handler.write(audio)

 os.system(f"ffmpeg -i {videoname} -i {audioname} -map 0:v -map 1:a -c:v copy {filename}")
 os.remove(videoname)
 os.remove(audioname)
 save_to_dict(id = submission.id, ext = filename, txt = submission.title)



What this code does is that it fetches the video and audio seperately from reddit, and combines them via ffmpeg.


However, the video created by this block of code is very blurry and has low resolution.


May I know what kind of argument I can use to make my video file play with higher resolution ?


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How can i burn in the current video playback percentage on to a video stream using FFMpeg
25 mai, par David ClewsI've taken alook at the drawtext filter in ffmpeg and it offers the ability to burn in the current local time directly on to the video stream. I would like this sort of behaviour but for a integer percentage value and the percentage symbol % after the actual value. I don't know if this is possible using FFMpeg on the command line. The formula should be something like.


ceil((t/duration)*100)