[Linux-aus] Open source hardware for open source conference recording - now launched!

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Tue Sep 22 18:28:45 AEST 2015


This is totally awesome! Congratulations!!

Best Regards,
Silvia.
On 22 Sep 2015 6:17 pm, "Tim Ansell" <mithro at mithis.com> wrote:

> Hello everyone,
>
> If you've been to a Linux Australia event, you may know that I have too
> many projects <https://www.youtube.com/watch?v=eR4i-XJDGCM>! Recently
> there has been a major milestone for one of them, the TimVideos'
> HDMI2USB.tv project has launched our first piece of open hardware, the
> Numato Opsis board.
>
> The Numato Opsis is a powerful new FPGA-based open source video platform
> for videographers and visual artists. The Opsis board was designed to give
> the user complete control over high-speed video, enabling everything from
> real-time conference capturing solutions, to experimental visual art and
> even general FPGA-based video research. I've included more information at
> the end of this email.
>
> The board is now crowdfunding on CrowdSupply.com at
> https://www.crowdsupply.com/numato-lab/opsis and while we have already
> reached 100% of our goal, we want to get the board into the hands of as
> many people as possible, because the more people using FOSS hardware, the
> better it gets! (In a semi related note, CrowdSupply.com was recently endorsed
> by Richard Stallman and the FSF
> <https://www.crowdsupply.com/free-software-foundation-endorses-crowd-supply-for-respecting-users-software-freedom> too.) If
> you could share the campaign with anyone you think who might be interested
> that would be extremely helpful!
>
> The HDMI2USB.tv firmware, which will also run on the Opsis board, was
> recently used to record a user group in Chicago US. You can see a very
> happy Carl in this photo ->
> https://forum.digilentinc.com/gallery/image/63-carl-has-success/ - It's
> been a long road to getting to this stage and I'd like to thank all the
> support for Linux Australia and the LA community. *We couldn't have done
> it without you all!*
>
> For those who don't know me or what I'm trying to do, here is some more
> background information;
>
> A long while back I got involved with doing recording and streaming
> conferences like LCA and got the idea that anyone, both conference and user
> group, should be able to record their proceedings without needing to know
> anything about A/V.
>
> You can watch a talk that I gave at LCA2012 about my first attempt to do
> this on YouTube at https://youtu.be/rCoCRmcrPlM . Shortly after the talk
> I came to the conclusion that the software and hardware available at the
> time was not up to the task - they just didn't have the programmatic APIs
> and debugging information available to really build a fool proof system.
> This spawned the TimVideos.us <http://code.TimVideos.us> project which
> has been plugging away trying to fix the problem (you can see a later
> talk I gave at LCA2014 at https://youtu.be/jtuzEQaG0Vc). You may have
> seen us running around at LCA2015 earlier this year which we helped stream
> and record.
>
> One of the big tasks of the project has been trying to make an open
> hardware capture platform which has been designed with being debuggable in
> mind. Our attempt at his is called the HDMI2USB.tv project and Joel
> Stanley gave a talk about the hardware at LCA2015
> https://youtu.be/O4D-6IPX308 . At that time we where stilling using a
> closed prototyping platform called the Digilent Atlys but where in the
> process of developing our second attempt at doing an open hardware board.
>
>
> Thank you once again!
>
> Tim 'mithro' Ansell
>
> ----------------------------------------------------
> ----------------------------------------------------
> Numato Opsis: FPGA-based open video platform
> An open platform for recording, routing, and manipulating HDMI and
> DisplayPort video signals.
>
> The Numato Opsis is a powerful new FPGA-based open source video platform
> for videographers and visual artists. The Opsis board was designed to give
> the user complete control over high-speed video, enabling everything from
> real-time conference capturing solutions, to experimental visual art and
> even general FPGA-based video research.
>
>
>    - *A*: HDMI Out 1
>    - *B*: HDMI Out 2
>    - *C*: HDMI In 1
>    - *D*: HDMI In 2
>    - *E*: DisplayPort Out
>    - *F*: DisplayPort In
>    - *G*: USB 2.0 Device / JTAG Programmer / UART Adapter
>    - *H*: Expansion Port (TOFE, not PCI-Express compatible)
>    - *I*: microSD (underside of board)
>    - *J*: USB 2.0 OTG
>    - *K*: Gigabit Ethernet
>
> As a collaboration between the TimVideos.us <http://code.timvideos.us/> live
> event streaming project and FPGA development board manufacturer Numato Lab,
> the Opsis is the ideal device for the HDMI2USB.tv <http://hdmi2usb.tv/> video
> capturing firmware, which allows for “fool-proof” video recording from any
> computer. Enabling direct acquisition of video streams in realtime to a
> computer through the USB 2.0 interface or sent over the network through the
> Gigabit Ethernet interface, the Opsis is a vital component within the
> complete conference recording solution envisioned and pioneered by the
> TimVideos.us project.
> Example Applications
>
> The Opsis is flexible and powerful enough to have a large number of use
> cases, many of which we probably haven’t considered. That said, we had
> certain use cases in mind when we designed the system.
> Running HDMI2USB Firmware
>
> The Opsis was designed to run the HDMI2USB <http://hdmi2usb.tv/> firmware
> developed by the TimVideos.us project. This firmware makes it easy to build
> automated conference/event recording systems.
>
> The diagram below shows one such simple scenario. The HDMI output from the
> laptop is fed into the Opsis, which forwards it to an external monitor and
> simultaneously allows another computer to capture the output via the USB
> 2.0 interface. The HDMI2USB.tv firmware emulates a standard UVC webcam,
> allowing any video software, such as Skype, Google Hangouts, or WebRTC, to
> then send it to an online audience.
>
>
> *A simple setup*
> <snip>
>
>    -
>
>
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>
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