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Autres articles (111)
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Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...) -
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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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 (7111)
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Clickstream Data : Definition, Use Cases, and More
15 avril 2024, par Erin -
Deno.run not working with —allow-net flag
29 janvier 2021, par Rishi RajI'm trying to use
Deno.run
to execute anffmpeg
subprocess, followed the deno doc here (https://doc.deno.land/https/github.com/denoland/deno/releases/latest/download/lib.deno.d.ts#Deno.run)


const ffmpeg = Deno.run({ cmd: ['--allow-run', '/usr/local/bin/ffmpeg', '-i','-',

 // video codec config: low latency, adaptive bitrate
 '-c:v', 'libx264', '-preset', 'veryfast', '-tune', 'zerolatency',

 // audio codec config: sampling frequency (11025, 22050, 44100), bitrate 64 kbits
 '-c:a', 'aac', '-ar', '44100', '-b:a', '64k',

 //force to overwrite
 '-y',

 // used for audio sync
 '-use_wallclock_as_timestamps', '1',
 '-async', '1',

 //'-filter_complex', 'aresample=44100', // resample audio to 44100Hz, needed if input is not 44100
 //'-strict', 'experimental',
 '-bufsize', '1000',
 '-f', 'flv', 
 // allow run flag
 rtmpUrl]
 }); 




And I get the following error. I'm passing the
--allow-run
flag as the first argument, is there something that I'm missing here ?


error: Uncaught PermissionDenied: access to run a subprocess, run again with the --allow-run flag



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Trouble with frame accuracy applying subcaps using .ass files to 23.976fps video [closed]
25 août 2023, par WhatsYourFunctionCurrently testing .ass subcaps in a VFX workflow.
The goal is to drop specfic text over specific shots and the in/out points have to be frame accurate
We're working in a 23.976 project.


Currently having no trouble using FFmpeg to generate frame-accurate subclips of individual shots from a full-show export by converting hh:mm:ss:ff to seconds and then handling the 24 to 23.976 offset, using the following alorithm :


InPoint_Seconds = ConvertToSeconds(InPoint_Hmsf_FullShow) - ConvertToSeconds(Start_Hmsf_FullShow) // Convert from SMTPE Time Code to seconds.
InPoint_Seconds = InPoint_Seconds * (1001 / 1000) //Handle 24 to 23.976 offset
OutPoint_Seconds = [Same idea as above]
Duration_Seconds = Output_Seconds - InPoint_Seconds

> ffmpeg -ss InPoint_Seconds -t Duration_Seconds -i SourcePath -c copy DestPath



So generating frame-accurate copies of portions of a larger file works with perfect accuracy


BUT when applying the same logic to subcaps using .ass files, sometimes they land with frame accuracy, and sometimes they don't (They'll be 1 frame late at most, and it does not increase over the span of the source clip).


Curious if anyone has any ideas.