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Autres articles (40)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Contribute to a better visual interface

    13 avril 2011

    MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
    Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.

  • Submit enhancements and plugins

    13 avril 2011

    If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
    You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone.

Sur d’autres sites (9477)

  • ffmpeg output speed writing to udp vs fifo on ec2 linux

    20 janvier 2017, par art vanderlay

    I 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
    Art

  • Howto speed up Video Streaming with ffserver and ffmpeg + x265

    30 mars 2016, par binaryCode

    Below 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 ?

  • ffmpeg : How to change video duration (slow-down or speed-up) to exact value ?

    2 février 2017, par Moo

    I 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 ?

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