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Médias (1)
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The pirate bay depuis la Belgique
1er avril 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Image
Autres articles (31)
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Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
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 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 (...)
Sur d’autres sites (10278)
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ffplay - change playback speed without re-encoding
2 novembre 2016, par Timothy TanI have some .264 video files that I would like to view at half playback speed, without encoding them into a new file. I remember using ffplay to do this in the past, but it was some time ago, and I can’t seem to be able to do it now. From lots of searching, this is what is supposed to work :
ffplay -f h264 -vf "setpts=2.0*PTS" filename.264
However this does not seem to change the playback speed at all. If I try :
ffplay -f h264 -filter:v "setpts=2.0*PTS" filename.264
I get an error message saying ’Failed to set value ’setpts=2.0*PTS’ for option ’filter:v’ : Option not found’.
I specifically remember being able to do this before but cannot find any information about this now. Converting the videos is not really an option because the files are finicky and often cause an error halfway through converting, corrupting the whole file.
Is there a simple solution to this problem ? Am I typing one of the commands wrongly ?
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How to play back images at high speed using ffmpeg
12 octobre 2018, par yymsYou are playing a video using FFmpegMediaPlayer
. You can play normal, but are there options for fast playback and slow playback ? -
Why does ffmpeg show this "Warning : data is not aligned ! This can lead to a speed loss" ?
4 octobre 2018, par senopsWarning : data is not aligned ! This can lead to a speed loss
Is it possible to fix ?ffmpeg -i image_0.jpg -i image_1.jpg -f lavfi -i "color=c=white:s=619x800,format=yuv444p" -filter_complex "[0][1]scale2ref=w=oh*mdar:h='max(ih,main_h)'[0max][1ref];[1ref][0max]scale2ref=w=oh*mdar:h='max(ih,main_h)'[1max][0max];[2][0max]overlay=x=132[overl]" -frames:v 1 -q:v 1 -y -map [overl] 0.jpg -map [1max] 1.jpg