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Archive:Conference video 2012
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- Conference video 2012
The SUSE Video team is happy to announce, that we have everything ready to make live streams and recordings available. We cover all talks in the rooms named Kirk, McCoy, Spock, Scotty, Picard, Riker, and Data.
Live video streams (auto-recorded)
- plays on smartphones and everywhere with a flash-player:
Questions? Please contact #email@example.com or <firstname.lastname@example.org>
The video team took responsibility for planning, offering, and executing video recordings. Executive Summay: Success. We achieved more than we initially offered, 4 rooms (not 3) recordings and live streams. But we had to master several planned and unplanned issues, that gave us some learing curve.
First plans were made at FOSMDE 2012, when the dvswitch setup was evaluated (jw,cwh). Cost estimate: ca. 2000 EUR/room. Operators needed: 2 people/room. With dvwitch postproduction effort is substantially lower than with a conventional taping, editing, uploading cycle that we had done several years ago. This year we wanted to provide a recording service again, but based on a completely new setup.
One set of equipment was purchased in March, and inhouse tests were successful. An extensive 'test' was done at LinuxTag Berlin : 25 recordings. Key challenges were: video signal quality, firewire reliability, confirmed volunteers. Further tests were done during XDC2012 using our setup also for live-streaming, and operated exclusivly by XDC-Staff after a short coaching session.
For the openSUSE Conference, we offered to cover 3 rooms during 4 days (Sat/Sun/Mon/Tue). Recordings available on next day. Availability of live-streams not asserted. Audio relying on existing systems.
While synchronizing our plans with the campus, their capable Audio/Video-Center team volunteered to cover two days in one of the three main lecture halls. This freed resources, and we offered recording in a fourth lecture room: Gentoo. Also with the help of the local AVC we could take care of recording interviews in the Press Room.
An extraordinary challenge was put on the team due to the relocation of the conference. Monday and Tuesday was held at a different venue, where the rooms were not well suited. Only one room was equipped with an audio system and a video projector. The video team coordinated with the Services Team to set up network, video projectors, power in 5 rooms, Speakers, Microphone, Amplifiers as required for the recording in three rooms (two rooms asserted, one optional).
Network setup was discussed and prepared ahead of time as a joint venture of the video team, our IT Services team and the Campus IT team. We agreed on bringing our own video server (16 CPU, 2TB disk) and a VLAN spanning all rooms. This allowed remote controlling of all machines, but had the acceptable disadvantage of fixed port assignment with no options to plug additional machines where needed.
The rooms were not available on the days before the conference, until Friday late afternoon. We
- formed a 'video setup squad team' of well trained specialists.
- planned the exact placement and cabling of all equipment in each room.
- pre-packed the equipment 'one box per room'
A second round of setup took place on Sunday (afternoon until 22h). We moved all our equipment the moment talks ended in each room to the new venue and recreated the setup. By that time we had more volunteers than we had expected. There was actually a slight delay due to not having all helpers properly instructed. Ontop of recreating the setup, we also took take care of the complete audio systems for 3 rooms. Including microphones, mixers, loudspeakers.
In all rooms, we connected a VGA grabber between the speakers laptop and videoprojector. The grabber and a required mini-pc were placed at the speakers desk. For venue2, we also took care of all video projection facilities. For the large hall this required convincing local staff to return the projector that was there before; for all other rooms we brought mobile projectors from Prague and Nuremberg office and placed them on extra tables. One additional white screen was needed as well as proper cabling in all rooms.
Shift plans with volunteers were reduced to 2 rooms for Sat/Sun, as Gentoo and the main lecture hall where handled by Gentoo and AVC volunteers. Additionally we provided a camera operator for the Press room, where ca on dozend interviews where recorded.
Instead of the planned 3 rooms at venue 1 and 2 rooms at venue 2, we covered 4 and 3 rooms respectively. Also we had added an experimental second camera pointing back to the audience in each room. Although sometimes unreliable, the mixer operators appreciated the additional source.
For venue2, we rented additional audio equipment (wireless microphones, amplifiers, cables, loudspeakers) and used the audio mixer at the recording desk to control both the recording and the Speakers in the room. One avialable pair of Sennheiser Microphones was left behind in Nuremberg, but the AVC team helped us here again.
Machine setup partly automated. The capture machines for slides and front camera were created as appliances booting diskless from a usb-memorystick.
A complete set of spare equipment was available at all times (except for slides capture). This allowed us start setup in venue2 earlier and allowed us to identify and swap faulty hardware during production. 1 Audio Mixer failed, 2 used DV-Cameras, and FireWirePort of one mixer-laptop died. An additional camera was on hot standby and was used to compensate temporary issues. The total hardware budget was 5000 EUR. This required bringing low budget equipment, and 'renting' several items free of charge.
We had prepared two setups for live streaming (providing both flash and ogg), but used mainly bambuser (with flash), for its additional feature of automatic live recordings. Although the live streams had to be restarted a few times during each day, we had several hundred views on the automatic recordings and live feeds during the conference.
Post production efforts were
- copy all recordings from the mixer machines to the video server in a timely manner, freeing enough disk space for the next day.
- keep track of room names and talk titles, so that this info would be available during upload.
- check all recordings for excessive or missing cuts. This required much more man-hours than expected, as the system introduced unexpected cuts, when cpu or network overload conditions appeared.
- encode all recordings to webm format and push to blip.tv and youtube via their web interface.
The list of over 100 recordings below demonstrates the overall success of the video production. Live streams were available at all times, with short interrupts of a few minutes only.
- Finding enough volunteers was critical. We were not able to have 6 operators (1 mixer + 1 camera per room) at all times during the 4 days. Luckily Gentoo could take care of themselves after a short coaching session.
- Audio recording was problematic. Quality issues surfaced that were not seen inhouse, or at Linuxtag where the room was serviced with a profesional sound engineer.
- Linux FireWire drivers are easily confused when two signals are captured by a single machine. dvsource-firewire-next was created and systemd scripts were adapted.
- Twinpact DV-Signals and FireWire cabling in general exposed reliability issues. Sporadic failures were efficiently handled by the team.
- Having fixed IP-Addresses in the appliances complicated the network setup in the first venue.
- The video server encounterd disk errors once. Later the internal 2TB disk space filled, forcing us to rely on external USB-Disks again.
- The decision to move or not move the video server between venues was revised twice. In the end we moved it Sunday 21:00h on short notice to the local IT team.
- The network link of the second venue was 100MB only, not the initially advertised 1Gbit.
- Upload of the keynote speech was delayed 7 days, as this room was operated with a conventional setup by the AVC team. Their setup did not allow the short turnaround times we achived with dvswitch.
- We should invest some development effort in post production automation. That saves manpower during the event. E.g. meta-data (Speaker names, topics, time, room) should be associated with file names during the recording, not reverse engineered afterwards. A standardized event calender format is required. Ical? Gnome Planner?
- rate limited file transfer and proper monitoring aids need to be scripted.
- DI-Boxes needed to improve audio quality.
- We now exceed the storage capacity of the openSUSE storage room. Video needs its own room.
- Replace/repair broken hardware. Some components were used items from ebay; this needs better funding next time.
Video Team Members
Credits for their work at mixer, camera and in the 'Kancelar' go to: (reverse sorted by length of email)
- email@example.com Marco Fleckinger
- jantomanek <at> jantom****.cz Jan Tomanek
- firstname.lastname@example.org Wolfgang Rosenauer
- email@example.com Theodoros Chatzimichos
- firstname.lastname@example.org Matthias Griessmeier
- email@example.com Dimitris Papapoulios
- firstname.lastname@example.org Petr Pulc (+ his team)
- email@example.com Christian Boltz
- firstname.lastname@example.org Gerhard Schlotter
- email@example.com Bernhard Wiedemann
- firstname.lastname@example.org Thomas Schmidt
- email@example.com Vit Pelcak
- firstname.lastname@example.org Robert Wawrig
- email@example.com Kilian Petsch
- firstname.lastname@example.org Harald Müller-Ney
- email@example.com Martin Caj
- firstname.lastname@example.org Christopher Hoffmann
- email@example.com Jürgen Weigert
Playlist by name and title
https://youtu.be/yGfyUPkTULw Kirk sat-09-10 Opening and Keynote - Agustin Benito Bethencourt: SME as target for GNU/Linux distributions
https://youtu.be/Wb7RyQcXB2I Kirk sat-10-10:30 Petr Černý: Don't stand in the queue, let the queue stand in for you.
https://youtu.be/57a9zmpA844 Kirk sat-10:30-11 Bernhard Wiedemann: openQA - fully automated OS testing
https://youtu.be/ox-DhNvCYq0 Kirk sat-11-12 Klaus Kämpf: Google, grep, and usbmon: Reverse-engineering a USB scanner protocol
https://youtu.be/yY2SmBXf4lk Kirk sat-13-14 Egbert Eich: Wayland
http://blip.tv/episode/6421432 Kirk sat-14-15 Klaas Freitag: ownCloud under the Hood
https://youtu.be/KFNeTgZRASM Kirk sat-15-16 Michael Meeks: LibreOffice - what's new
https://youtu.be/fe02FHghrjc Kirk sat-16-17 Tor Lillqvist: Attitude adjustment needed: Experiences from LibreOffice porting to Android
https://youtu.be/lLev9ThnBmk Kirk sat-17-18 Stefan Seyfried: Crashing the kernel for fun and profit
https://youtu.be/o_ws91hXQ50 McCoy sat-10-11 Thijs de Vries: Gamification - using game elements and tactics in a non-game context
https://youtu.be/4U0io-1-bBI McCoy sat-11-12 Shane Coughlan: OpenRelief - Using Open Source Software and Open Hardware For Frontline Disaster Relief
https://youtu.be/wlFGKExQjT0 McCoy sat-12-12:30 Bas van Abel: If you can't open it, you don't own it
https://youtu.be/e57TD-4lKYs McCoy sat-12:30-13:30 Round Table: Why 'open' matters?
https://youtu.be/kF0dar-T6E4 McCoy sat-14-15 Armijn Hemel : Defensive Publications: ensuring freedom of use in the Open Source Community
https://youtu.be/t0vtrdLCsHI McCoy sat-15-15:30 Ramon Roca: Extending the freedom to network infrastructures with the Bottom-up Broadband and the Commons
https://youtu.be/V8P02dt72Uo McCoy sat-15:30-16 Lydia Pintscher: Wikidata - Wikimedia going structured data
https://youtu.be/0Huumf0bGis McCoy sat-16-16:30 Georg Greve: What you don't understand will still control you
https://youtu.be/aOrJiZkMcg0 McCoy sat-16:30-17:30 Round Table: How do you DO 'open'?
https://youtu.be/7aJTJ1qUf_s McCoy sat-17:30-18 Closing session (Saturday)
https://youtu.be/Dm2h7KqTon4 Scotty sat-10-10:30 Fabian Groffen & Robin H. Johnson: Council and Trustees: Managing Gentoo
https://youtu.be/5lUH6FSGc8c Scotty sat-10:30-11 Sebastien Fabbro: gentoo@home
https://youtu.be/A1ZAeAH5FXU Scotty sat-11-11:30 Tomáš Chvátal: Gentoo KDE: stable, fresh, and bleeding edge!
https://youtu.be/CfqW2o4v0rM Scotty sat-11:30-12 Alex Legler : Keeping Gentoo secure
https://youtu.be/yNWWOCfvm88 Scotty sat-12-12:30 Andrea Arteaga: Benchmarking suite for Gentoo
https://youtu.be/6cNmP3LzrD8 Scotty sat-13:30-14:30 Jorge Manuel B.S. Vicetto: Using Catalyst to create a custom stage and ISO (part 1)
https://youtu.be/MwZo5IfhKag Scotty sat-14:30-15 Jorge Manuel B.S. Vicetto: Catalyst features, limitations and feature requests
https://youtu.be/_uJUwQtiflQ Scotty sat-15-16 Fabian Groffen: Gentoo Prefix: The World beyond /
https://youtu.be/2ptCRCcKMJo Scotty sat-16-17 Robin H. Johnson & Gentoo Infra Team: State of Gentoo Infrastructure
https://youtu.be/zTTSBkalz7I Scotty sat-17-18 Alex Legler : Working on Gentoo's PR
https://youtu.be/hSFA8tGkX2M Spock sat-10-10:30 Tomáš Chvátal: Pokud se to hýbe, zkompiluj to!
https://youtu.be/nFcLgfgHLuY Spock sat-10:30-11:30 Jakub Hrozek, Martin Košek: FreeIPA, SSSD
https://youtu.be/IVlXt6QdgdA Spock sat-11:30-12 Michal Čihař: Online translation using Weblate
https://youtu.be/fwlxKlbHfOI Spock sat-12-13 Petr Baudiš: Lowlevel Userspace Programming
https://youtu.be/-yPwA7sYpRk Spock sat-13-13:30 Elvir Kuric : Cgroups usage
https://youtu.be/agS2WrZqi-E Spock sat-14:30-15 Thomas Renninger: Performance monitoring of modern X86 platforms using the CPUpower monitoring tool
https://youtu.be/fzBqWTsy8vs Spock sat-15-16 Michal Zima: WrapSix -- how to build it and how to run it
https://youtu.be/syIuMYj-sYM Spock sat-16-17 Tomáš Vondra: Proč používat PostgreSQL
https://youtu.be/BK9ugQmdFpc Spock sat-17-18 Jiří Eischmann & Jaroslav Řezník: Jak přispívat do Fedory
https://youtu.be/CjrS4aCDaXY Kirk sun-11-11:30 Karsten Keil: Use the openSUSE buildservice for embedded projects
https://youtu.be/WyqRLTSzVP0 Kirk sun-11:30-12 James Tan: DevOps, Puppet & Chef
https://youtu.be/Jkf_j81Bw6Y Kirk sun-12-13 Sam Aaron: Zen and the art of Live Programming with Clojure
https://youtu.be/B0SoxMHurow Kirk sun-13-13:30 Baltasar Ortega: Teaching Free Software for everybody
https://youtu.be/cGwjvedcdLI Kirk sun-14:30-15 Libor Pecháček: How software gets from the community to commercial enterprise
https://youtu.be/QXoO19QAP9c Kirk sun-15-15:30 Torsten Rahn: Marble Virtual Globe - a Swiss Army Knife for Maps
https://youtu.be/76jbRDHeg7A Kirk sun-15:30-16 Jos Poortvliet: openSUSE Around the World
https://youtu.be/gl2YapPg7Z0 Kirk sun-16-17 (Miguel Angel Barajas:) Watson: Winning Jeopardy with SUSE, Power and Hadoop
https://youtu.be/diAO8yhAzZI Kirk sun-17-18 Lightning Talks
https://youtu.be/C0vcVjM2xNw McCoy sun-11-11:30 Vojtěch Trefný: Launchpad
https://youtu.be/SIdfO3U-FW4 McCoy sun-11:30-12 Widen-Damian Ivanov : Unity on openSUSE
https://youtu.be/RFhVaaJER4A McCoy sun-12-13 Helmuth Peer, Markus Fleck, Matthias Praunegger, Stefan Reisinger: desktop4education and server4education - a free client and server solution for education
https://youtu.be/lzCLkjjrg1Q McCoy sun-14-14:30 Pavel Šimerda: News from the world of Linux networking
https://youtu.be/XUgmFyBe_9w McCoy sun-14:30-15 Olaf Kirch, Marius Tomaschewski: Apocalypse Now - News from the Network Jungle
https://youtu.be/J4u7auV7Ih8 McCoy sun-15-15:30 Networking round table (Sunday)
https://youtu.be/TkQIfH0nCm4 McCoy sun-15:30-16:30 Radek Neužil: (Ne)bezpečnost internetové sítě
https://youtu.be/KZpwqRMxcwc McCoy sun-16:30-17 Petr Krčmář: Co je nového v Debian Wheezy
https://youtu.be/8aIHstKet38 McCoy sun-17:15-17:45 Tadeáš Pařík: Nasazení Ubuntu v praxi
https://youtu.be/ZUpe2bYau38 McCoy sun-17:45-18:15 Petr Krčmář, Tomáš Matějíček: Budoucnost Slaxu
https://youtu.be/tH4sJ33UsKs Scotty sun-11-11:30 Robin H. Johnson: Gentoo @ IsoHunt
https://youtu.be/GFT4-JxNwqU Scotty sun-11:30-12 David Heidelberger: 3D, games and everything about Graphic performance under Linux/Gentoo
W: not recorded Scotty sun-12-12:30 Christian Aistleitner: SHA1 and OpenPGP/GnuPG
W: not recorded Scotty sun-13:30-14:30 OpenPGP/GnuPG key signing party
W: not held Scotty sun-14:30-15:00 Jorge Manuel B.S. Vicetto: Using Catalyst to create a custom stage and ISO (part 2)
https://youtu.be/7sDFbnC-JkU Scotty sun-15-16 Theo Chatzimichos & Alec Warner: The Puppet Show
https://youtu.be/cvvBpXwhuj0 Scotty sun-16-17 Jorge Manuel B.S. Vicetto & Hans de Graaff & Fabian Groffen: Gentoo testing, testing and automated testing
https://youtu.be/zB6w6chxgoM Scotty sun-17:17-18:15 Tomáš Chvátal & Markos Chandras: Contributing to Gentoo: Getting Involved more
https://youtu.be/Lpfw4HD0kZU Scotty sun-18:15-18:30 Closing Session (Sunday, Scotty)
https://youtu.be/vjGCQ2WI-xM Spock sun-11-11:30 Jan Engelhardt: openSUSE on SPARC
https://youtu.be/nerl77c0lJ8 Spock sun-11:30-12 Dinar Valeev: openSUSE on Power
https://youtu.be/QBnBR_TPzmU Spock sun-13-13:30 Jozef Mlich: Announcement of the Openmobility summer contest results
https://youtu.be/Tw7qQyy9aNg Spock sun-13:30-14 Alexander Graf, Dirk Müller, Andrew Wafaa: openSUSE ARMs
https://youtu.be/EjawnxLgDN4 Spock sun-14-14:30 Vladimír Čunát: Nix(OS) purely functional package management
https://youtu.be/Mv3CjKQ0sqY Spock sun-14:30-15:30 Peter Czanik: Why proper logging is important even in the bootstrapping phase of a software project?
https://youtu.be/2sPWu5Kwp94 Spock sun-15:30-16 David Majda: Scanny — Ruby on Rails Security Scanner
https://youtu.be/lJvnR-B0BSo Spock sun-16-17 Davidlohr Bueso, Petr Uzel: fdisk: a 21st century disk partitioning tool
https://youtu.be/t6eqRjVw4ys Spock sun-17:15-17:45 Karsten Keil: POTS, FAX,ISDN in the era of voice over IP
W: Presentation_not_done Spock sun-17:45-18:15 Arul Selvan Rama Samy: Prospective Printing Solutions
https://youtu.be/-WQG4bFa6bk Picard mon-10-11 Prof. Joe Doupnik: A complete server to assist charities
https://youtu.be/3xuhir1aqJo Picard mon-11-12 Coly Li: Kernel development/maintenance in Taobao
https://youtu.be/VOnTcOd9tL4 Picard mon-12-13 Stephan Kulow: openSUSE release schedule NG
https://youtu.be/BAdS4kbRsEg Picard mon-14:30-15:30 openSUSE Project meeting
https://youtu.be/B1SP1ETYzzw Picard mon-15:30-16:30 (150views blip on broken clip) Marcus Meissner: openSUSE Maintenance - overview of technology and processes
https://youtu.be/O5HFNVEVLSc Picard mon-16:30-17:30 Robert Schweikert: Something is busted -- Food for thought
https://youtu.be/sdTX-LmK5rQ Picard mon-17:30-18 Michal Hrušecký: Whats new in openSUSE Connect
https://youtu.be/JXcZBVc7t_s Riker mon-10-10:30 Daniel Lovasko: Packaging Tools
https://youtu.be/UwP4EHlqdig Riker mon-11-11:30 Hannes Reinecke: megasas on steroids: qemu device-passthrough with VFIO
https://youtu.be/_2ns7R7Ll6U Riker mon-11:30-12 Hannes Reinecke: dev_printk revisited: structured kernel message logging and the SCSI mess
https://youtu.be/pSgOdWdRHx8 Riker mon-15:30-16 Gerhard Rigo: BYOD – Device Onboarding for LINUX based Clients (scheduled in Data)
https://youtu.be/7SOhxTAF3Q0 Riker mon-16:30-17:30 Kostas Koudaras: Ambassadors 2.0
https://youtu.be/U0Uy207v-DI Riker mon-17:30-18 Efstathios Iosifidis: Nonverbal communication at the booth
https://youtu.be/2DUKr3JjT3U Data mon-10-10:30 Dirk Müller: Alternative architectures: ARM
https://youtu.be/C4nKuUNqqOc Data mon-10:30-11 Dalibor Kurek: Linux on System z - consolidation makes cents
https://youtu.be/iBVoPqYnRD8 Data mon-11-11:30 Thorsten Behrens: SUSE is leading the interoperability with Microsoft Word
https://youtu.be/peiQE8K2gzA Data mon-11:30-12 Ismail Doenmez: About openSUSE
https://youtu.be/ClgBq-4svOw Data mon-12-12:30 Vladimír Botka: KIWI and SUSE Linux Enterprise Point of Service
https://youtu.be/FQxEL-spZas Data mon-12:30-13 Michal Švec: SUSE Studio: Behind-the-scenes: agile system management
https://youtu.be/jxSt9NDauS4 Data mon-14:30-15 David Disseldorp, Arvin Schnell: Make it Snappery - Remote Snapshots with Samba
https://youtu.be/6AYF9KBADfc Data mon-15-15:30 Jiaju Zhang: Booth - Geo Clustering for SUSE Linux Enterprise High Availability Extension
https://youtu.be/_qIPS5ICC24 Data mon-15:30-16 Izabel Valverde: The openSUSE Travel Support Program (scheduled in Riker)
https://youtu.be/xXz0KRGsXT4 Data mon-16-18 UEFI Tutorial
https://youtu.be/SmubYI2FpZ0 Picard tue-14-15 Kostas Koudaras: oSC13 The Spirit and the City
https://youtu.be/aGPbcWkMzXQ Riker tue-10-10:30 Max Lin: Introduction to openSUSE KDE maintenance model
https://youtu.be/4UqWwxXDu_Y Riker tue-10:30-11:30 Robert Schweikert: House cleaning is necessary - Package Maintainers Step up
https://youtu.be/aUmmaQGYnVo Riker tue-11:30-12:30 Frederic Crozat: systemd, dracut and openSUSE: where are we, what is missing, what do we plan for the future?
https://youtu.be/UZxthHHLEVI Riker tue-14-15 Michal Vyskočil: Optimizing boot time - aka 2 second boot