FeM C3 Streaming and Recording Setup Documentation

Under construction

• Recording using BlackMagic Decklink SDI cards, a capture tool and a ffmpeg chain
• Recording is done in fixed length segments for continous capturing (and not missing any lecture starts) without reaching file system limits

• Ticket tracker tracking the state of recording tickets (for each Fahrplan entry) and encoding tickets (for each format)
• PostgreSQL, PHP
• Code: http://git.fem.tu-ilmenau.de/?p=cccongress.git;a=summary

• LiveCD image to boot multiple encoder instances
• Recording segments available via central storage box
• Encoding ticket processing with tracker connection (XML-RPC)
• Code: http://subversion.fem.tu-ilmenau.de/repository/cccongress/trunk/tools/job-control/

• each room one RTMP encoder
  • sdi card, capture tool, ffmpeg pipeline
  • multiple data sinks using enhanced tee → supertee
  • Code: http://hg.fem.tu-ilmenau.de/supertee/, http://subversion.fem.tu-ilmenau.de/repository/cccongress/trunk/tools/sdi-script/
• each room one WMV encoder
  • sdi card, windows media encoder 9

• each room one slide only encoder
• sdi card, capture tool providing v4l device (video only), motion
• Code: http://subversion.fem.tu-ilmenau.de/repository/cccongress/trunk/tools/bmd2v4l2/, http://www.lavrsen.dk/twiki/bin/view/Motion/WebHome

• RTMP and HTTP Relay using Nginx
  • new RTMP relay module for nginx
  • Code: https://github.com/arut/nginx-rtmp-module
• WMV relay using Windows Server 200X with Media Services