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Autres articles (60)
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Gestion des droits de création et d’édition des objets
8 février 2011, parPar défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
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Dépôt de média et thèmes par FTP
31 mai 2013, parL’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...) -
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 (...)
Sur d’autres sites (10347)
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ffmpeg : How to change video duration (slow-down or speed-up) to exact value ?
2 février 2017, par MooI have miltiple videos with different durations and need to always set it to be exactly 10 seconds.
I know that I can use
-filter:v "setpts=speed*duration"
but is there any way to make a universal one-line function to convert any-duration video to 10 seconds video ? -
Howto speed up Video Streaming with ffserver and ffmpeg + x265
30 mars 2016, par binaryCodeBelow my ffserver.conf :
Port 8090 # Port to bind the server to
BindAddress 0.0.0.0
MaxHTTPConnections 2000
MaxClients 1000
MaxBandwidth 10000 # Maximum bandwidth per client
# set this high enough to exceed stream bitrate
CustomLog -
#NoDaemon # Remove this if you want FFserver to daemonize after start
<feed> # This is the input feed where FFmpeg will send
File /tmp/feed1.ffm # video stream.
FileMaxSize 1G # Maximum file size for buffering video # Allowed IPs
ACL allow 127.0.0.1
</feed>
<stream> # Output stream URL definition
Feed feed1.ffm # Feed from which to receive video
Format matroska
# Audio settings
AudioCodec vorbis
AudioBitRate 64 # Audio bitrate
# Video settings
VideoCodec libx265
VideoSize 720x576 # Video resolution
VideoFrameRate 25 # Video FPS
AVOptionVideo flags +global_header # Parameters passed to encoder
# (same as ffmpeg command-line parameters)
#AVOptionVideo cpu-used 0
AVOptionVideo qmin 10
AVOptionVideo qmax 42
#AVOptionVideo quality good
AVOptionAudio flags +global_header
PreRoll 15
StartSendOnKey
VideoBitRate 400 # Video bitrate
</stream>
<stream> # Server status URL
Format status
# Only allow local people to get the status
ACL allow localhost
ACL allow 0.0.0.0
</stream>
<redirect> # Just an URL redirect for index
# Redirect index.html to the appropriate site
URL http://www.ffmpeg.org/
</redirect>and below is ffmpeg command to send my usb camera :
c:\ffmpeg\bin\ffmpeg -f dshow -i video="A4TECH USB2.0 PC Camera" -r 25 -s 320x240 -vcodec libx265 -preset ultrafast -tune zerolatency http://119.81.216.43:8090/feed1.ffm
ffmpeg running from my notebook with processor corei7 from Indonesia, and ffserver using ubuntu 14.x on ibm soflayer singapore,
with above configuration i can play video streaming with 4s delay
myquestion : howto improve speed so i can play video less than or equal 1 second, any idea ?
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ffmpeg output speed writing to udp vs fifo on ec2 linux
20 janvier 2017, par art vanderlayI would like to find an approach to measure the speed of ffmpeg writing output to udp vs fifo.
For this case it would be video + audio.
Is there a internal timing method available to do such a measurement ?
Is there a prevailing agreement that one approach is known to be faster than the other.
Thx
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