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Médias (1)
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The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Texte
Autres articles (30)
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Support de tous types de médias
10 avril 2011Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)
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Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...) -
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (5189)
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FFMPEG [SHELL CMD] cutting last x frames [SHELL CMD] combining videos
25 avril 2014, par user1708604.mp4 videos in 1920 x 1080, 25 frames / second
different lengthTwo commands needed :
0) One command should delete x frames from the end of the video and create a new video without the last x frames as .mp4, save it in folder y
1) One command should combine x amount of videos to one new videoJust for info : I am using Python to call ffmpeg.
Platform : Windows or CentOS.Many thanks in advance. :)
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Révision 18918 : Happy New Year
16 janvier 2012, par Ben . -
subprocess.Popen can't find the file when shell=False and doesn't know ffmpeg when shell=True [duplicate]
26 novembre 2023, par WaschbrettwadeI am trying to get an offline speech-to-text library called "vosk" running following this tutorial : https://medium.com/@johnidouglasmarangon/automatic-speech-recognition-with-vosk-828569219f2b


In this, subprocess.Popen is being used like this :


ffmpeg_command = [
 "ffmpeg",
 "-nostdin",
 "-loglevel",
 "quiet",
 "-i",
 filename,
 "-ar",
 str(SAMPLE_RATE),
 "-ac",
 "1",
 "-f",
 "s16le",
 "-",
 ]

 with subprocess.Popen(ffmpeg_command, stdout=subprocess.PIPE) as process:



When running this in Jupyter Notebook, no problem at all. But whenever I run this in VSCode, it produces the error :


FileNotFoundError: [WinError 2] The system couldn't find the specified file (translated to English by me)



When using shell=True as in


with subprocess.Popen(ffmpeg_command, stdout=subprocess.PIPE, shell=True) as process:



it tells me in the terminal (translated) :


The command "ffmpeg" ist either written wrong or couldn't be found. 



Do you have any idea what's causing these issues and how to fix them ?