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Autres articles (50)
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Demande de création d’un canal
12 mars 2010, parEn fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...) -
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 (...)
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ffmpeg : How to make -vf "movie=..." point to another folder [closed]
21 mars 2013, par evilheinzI'm trying to watermark a video with another video placed in a different folder.
Source video [video.mov] is placed in a folder like
x :\test1
Overlay video [overlay.mov] is placed in
x :\test2
I'm using this command :
ffmpeg.exe -y -i x:\test1\video.mov -vf "movie=x:\test2\overlay.mov [watermark]; [in][watermark] overlay=0:0 [out]" x:\test3\video_overlay.mov
But I'm getting an error saying
Missing key or no key/value separator found after key 'test2overlay.mov'
When placing all files in the same folder and using this :
ffmpeg.exe -y -i video.mov -vf "movie=overlay.mov [watermark]; [in][watermark] overlay=0:0 [out]" video_overlay.mov
everything works fine...
So how do I get the video filter to load the overlay file from a different folder on Windows ?
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How to make -vf "movie=..." point to another folder in FFmpeg [migrated]
21 mars 2013, par evilheinzI'm trying to watermark a video with another video placed in a different folder.
Source video [video.mov] is placed in a folder like
x:\test1\
Overlay video [overlay.mov] is placed in
x:\test2\
I'm using this command :
ffmpeg.exe -y -i x:\test1\video.mov -vf "movie=x:\test2\overlay.mov [watermark]; [in][watermark] overlay=0:0 [out]" x:\test3\video_overlay.mov
But I'm getting an error saying
Missing key or no key/value separator found after key 'test2overlay.mov'
When placing all files in the same folder and using this :
ffmpeg.exe -y -i video.mov -vf "movie=overlay.mov [watermark]; [in][watermark] overlay=0:0 [out]" video_overlay.mov
everything works fine.
So how do I get the video filter to load the overlay file from a different folder on Windows ?
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ffmpeg movie with 'frame reordering'
28 juillet 2014, par CRGreenHow does one, if possible, manipulate ffmpeg x264 settings to allow for what QuickTime calls "frame re-ordering" — that is, the ability to play a movie backwards smoothly (and do what is called "scrubbing") ? An example of my code is this :
/usr/local/bin/ffmpeg -i '/path/to/moviefile.mov' -acodec mp3 -b:a 55k -vcodec libx264 -s 640x400 -pix_fmt yuv420p -b:v 2700k 'path/to/outputmoviefile.mov'
The output movie using this code is good, seems optimized for playing forward, but does not seem so good for playing the movie backwards or scrubbing.