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#apertus IRC Channel Logs

2021/04/05

Timezone: UTC


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BAndiT1983
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Bertl_oO
off to bed now ... have a good one everyone!
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Bertl_oO
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se6ast1an
good day!
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BAndiT1983
off for a moment
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BAndiT1983
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BAndiT1983|away
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BAndiT1983
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Bertl_zZ
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15:52
Bertl
morning folks!
15:55
se6ast1an
good day
15:56
se6ast1an
a good morning meeting starts in 5 minutes!
15:58
eppisai
is here!
15:58
se6ast1an
great! :)
15:59
vnksnkr
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15:59
Bertl
is here ...
15:59
metal_dent[m]
is present \o/
16:00
se6ast1an
MEETING TIME!
16:00
se6ast1an
hello everyone!
16:00
se6ast1an
welcome back metal_dent[m]!
16:00
se6ast1an
do you want to start like you usually do?
16:00
metal_dent[m]
yeah sure!
16:01
metal_dent[m]
after a longer than expected break i started working last week
16:02
metal_dent[m]
as a reminder: i was working on establishing a connection of the remote through UART as USB connection is troubled at the moment
16:03
metal_dent[m]
i made a lot of changes to my code, removed unused/redundant parts to make it look cleaner for debugging
16:04
metal_dent[m]
right now remote is able to send test messages to the host which is being displayed on the minicom
16:05
metal_dent[m]
after a few more tests, i'll add the checksum and sequence number parts (like the ones present in the USB code) and run the python host script
16:06
metal_dent[m]
hopefully if all works out then the reading and writing will be done through UART
16:07
metal_dent[m]
that's it from my side!
16:07
se6ast1an
many thanks, fingers crossed
16:07
se6ast1an
eppisai: any news from your side?
16:07
eppisai
yea..!
16:09
eppisai
So, last to last week, I was working on porting Axiom vis, to windows also.. so it help beginners or people using windows to work on remote.. but was facing a bug in opengl, which made output completely white and crashed..
16:10
eppisai
so last week, BAndiT1983, helped me with dugging and now vis works very well on windows also.. as in linux
16:10
eppisai
https://user-images.githubusercontent.com/54789531/113594607-8c969f00-9655-11eb-813a-c07b56e148f4.jpg
16:10
se6ast1an
very good, what will you work on next?
16:11
eppisai
have written down steps to install SDL2 and SDL2_image in windows.. and made proper screen recording of the same.. after will write proper doc of the same..
16:11
eppisai
https://docs.google.com/document/d/1TOOdwfoNidASDPFZNQoFB4MauZA9FhLDQQXaahV18R0/edit
16:11
se6ast1an
nice, that would be a good addition to the github readme
16:11
se6ast1an
once its complete
16:12
bluez
is here
16:12
eppisai
se6ast1an: rightnow, anaylising firmware on changes we can make or how we can manage states better as in draw method few functins and variables are being called again and again
16:13
eppisai
and have opend the P.R for stringwidth task ,and once it gets reviewd, will open P.R for keyboard.. then Visualizer
16:13
Bertl
something I was always wondering (and maybe that's not just me) is, what is the lower half of the visualizer (where the picture is) used for?
16:15
se6ast1an
its an simulated camera image preview, in the future lowering gain on the remote will make it darker for example
16:15
eppisai
just for brightness and making it look more like real remote
16:15
eppisai
real *axiom remote
16:15
se6ast1an
thanks eppisai, finishing PRs would be appreciated before starting more new projects
16:15
Bertl
well, the real remote doesn't have a preview, does it?
16:15
se6ast1an
no
16:16
se6ast1an
but the real remote has a real camera connected :)
16:16
Bertl
but I see (regarding simulated preview) ... in this case, wouldn't it be better to put that in a separate window?
16:16
se6ast1an
surely that easily possible
16:16
Bertl
preferably one which you can close if you do not use it?
16:16
eppisai
ohk.. justing waiting for current P.R to get reviewd.. :)
16:16
se6ast1an
you can open multiple PRs
16:17
se6ast1an
just organize your features into branches
16:17
se6ast1an
ok quick updates from me
16:17
se6ast1an
BAndiT1983 is currently absent so I report about a project we both worked on
16:19
se6ast1an
its a CAD file viewer as previously planned/discussed but never materialized
16:19
se6ast1an
there is elmyra for renderings but not real time viewing
16:19
se6ast1an
preview render: https://paste.pics/2cec8ec1fe4af2a6348255940288c8ed
16:19
se6ast1an
realtime preview (eevee in blender): https://paste.pics/fcb3a269857a9020ddc72106561779c9
16:19
se6ast1an
and the work in progress result: https://apertus-open-source-cinema.github.io/cad-3d-viewer/
16:20
se6ast1an
still work in progress but you can see where we want to get
16:20
se6ast1an
the environment being static and the CAD part can then be loaded from an external source/file/url for example
16:21
se6ast1an
this is the bottom cap part of the AXIOM Beta compact enclosure for example
16:21
se6ast1an
if anyone is interested in 3d engines, etc. let us know, help appreciated
16:21
se6ast1an
we are using three.js
16:22
se6ast1an
next topic GSoC:
16:22
se6ast1an
student application phase started last week:
16:22
se6ast1an
March 29 18:00 UTC Student application period begins
16:22
se6ast1an
next deadline is rather soon
16:22
se6ast1an
April 13 18:00 UTC Student application deadline
16:23
tpw_rules
hi i was going to submit my application for your review in a couple days
16:23
se6ast1an
so if you want to apply be sure to get your challenge task solutions, applications, etc. ready
16:23
se6ast1an
we are happy to review it before the deadline and suggest improvements
16:23
se6ast1an
but last minute will definitely get crowded :)
16:24
se6ast1an
great tpw_rules!
16:24
se6ast1an
news regarding hardware production:
16:24
markusengsner
hello, I'll also be trying to get my application in soon
16:24
se6ast1an
great!
16:24
se6ast1an
friday last week the last components were handed over to tele and they have received all distributor shipments as well for our order
16:25
se6ast1an
so now there are a few days of easter holidays but I hope to get an update when we can expect production to start soon
16:26
se6ast1an
regarding CAD improvements shohei has provided more very extensive reviews o the new parts and I have updated the designs/drawings
16:26
se6ast1an
not 100% finished for the second part
16:26
se6ast1an
first part the PCB Bracket V2 is finished
16:26
se6ast1an
front plate still has a few open todos which I want to work on in the next days
16:27
se6ast1an
thats it from me
16:27
se6ast1an
Bertl would you like to report next?
16:27
Bertl
maybe bluez want's to say a few words first?
16:27
Bertl
*wants
16:28
bluez
yep, just some progress :)
16:28
se6ast1an
ah yes, bluez! please go ahead
16:29
bluez
so I fixed the address generator implementation... vivado was giving some trouble regarding the LUT INIT values.. so we set the proper INIT values and then I tested it.. works correctly
16:29
bluez
https://github.com/Swaraj1998/reg-test
16:29
bluez
i also used generate statements and such as Bertl suggested to simplify the code
16:30
bluez
next, I am trying to put constraints on the mappings of the structure (using RLOC attribute and such)
16:31
bluez
I think I am quite close... will get it done quickly before moving on... and finally change the INIT values correctly through partial dynamic reconfiguration
16:31
bluez
that's it form me
16:31
Bertl
excellent! tx!
16:32
Bertl
anybody else before I finish this meeting with some good news?
16:33
markusengsner
I have a quick update!
16:33
markusengsner
I have been working on refactoring the state handling for the buttons on the remote
16:33
markusengsner
A big part of this is also how to make the color customization for the buttons as smooth as possible for the client code, and so I've discussed this with BAndiT1983 a lot
16:34
markusengsner
have been making some progress, but haven't come up with any perfect solution yet
16:34
markusengsner
that's it from me :)
16:34
se6ast1an
many thanks, great!
16:34
se6ast1an
anyone else?
16:34
se6ast1an
otherwise Bertl spoil us with the mage-ic news!
16:35
Bertl
indeed!
16:35
Bertl
as already reported last time (IIRC), we got a new toy to play with which looked quite promising .. a new USB digitizer from Magewell
16:36
Bertl
and indeed, the device is capable to digitize raw RGB data for FullHD (1920x1080) at up to 60FPS and it looks like there is even more potential
16:37
mishivf
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16:37
Bertl
I did some tests to verify the correctness, basically a pseudo random image which gets digitized and can be checksummed on the receiver side
16:38
Bertl
and the captured image is stable and consistent, and some tests showed that we can at least transfer 355MByte/s via this option
16:39
Bertl
the device also support custom resolutions, so it might be possible to push this even further by creating our own data-transfer resolutions which use more of the HDMI bandwidth for that than currently
16:39
Bertl
the typical 1080p HDMI image has about 20% non-display content, mainly sync and other data in the borders which is not really required for our purpose
16:40
Bertl
we can not get rid of all of it but about 5-10% might be doable.
16:40
Bertl
i.e. 5-10% additional percent to the data, not 5-10% of the border
16:41
Bertl
this digitizer success motivated me to pick up the work on the experimental raw transfer and I have a number of ideas how to improve that
16:42
Bertl
so probably there will be new experimental raw transfer modes and gatewares soon
16:42
Bertl
that's it from my side for this week.
16:42
se6ast1an
did you try the "old" experimental raw modes already?
16:43
Bertl
no, because it was removed from the recent gateware at some point
16:43
se6ast1an
ah, I see
16:43
Bertl
and I didn't want to go back to the older version
16:43
se6ast1an
right
16:43
Bertl
but it is relatively easy to add back and that's probably what I'll do in the first step
16:43
se6ast1an
great!
16:43
Bertl
the long term goal is to split up the pipelines
16:44
se6ast1an
very much look forward to shooting raw UHD soon!
16:44
Bertl
i.e. separate input from output pipeline
16:44
se6ast1an
most excellent!
16:44
Bertl
this will allow to use the HDMI channel for 'normal' data transfer as well
16:44
bluez
wow.. that sounds great :)
16:44
Bertl
which will be useful for e.g. capturing image sequences fast and then transfering the data
16:45
se6ast1an
please elaborate
16:45
Bertl
well, basically the output pipeline will be able to do memory transfers like DMA
16:46
Bertl
(via HDMI to the PC)
16:46
Bertl
decoupled from the input pipeline, frames can be acquired into memory and then sent over HDMI
16:47
Bertl
(for example for high speed low resolution sequences)
16:47
se6ast1an
I see!
16:48
bluez
Bertl: so you are working on a custom HDMI protocol or something like that?
16:49
Bertl
no, the protocol is still HDMI (or more DVI)
16:49
Bertl
we just use it to transport arbitrary data instead of images
16:49
bluez
ah, i see
16:49
bluez
makes more sense
16:50
bluez
anyway, raw UHD sounds awesome! :)
16:51
Bertl
indeed, and we might even do that on two channels at the same time
16:51
bluez
two channels?
16:52
Bertl
well, we have two HDMI out ports ;)
16:52
Bertl
but we have to see if the internal bandwidth is sufficient for that
16:52
bluez
oh yes... great indeed :o
16:53
Bertl
actually, thinking about it, it should handle it pretty well
16:54
Bertl
as we currently throw away a bunch of data during output
16:54
se6ast1an
if both hdmi slots are transfering "data" the receiver might also be able to generate a realtime preview so you see what you are filming
16:55
Bertl
maybe we can do even better there, but I don't want to spoil it :)
16:55
Bertl
more when I've done some tests and know what we can do ;)
16:55
se6ast1an
you definitely got me excited!
16:55
bluez
and me too!
16:57
se6ast1an
ok, anyone else who wants to report/ask/discuss?
16:57
se6ast1an
for the meeting
16:57
vnksnkr
I've submitted an early draft of my proposal,might be too soon but I'm having exams next week, so thought of submitting a little early :)
16:57
se6ast1an
great, please contact your potential mentor to discuss it soon and start the review process
16:57
Bertl
vnksnkr: will review it soon
16:58
Bertl
se6ast1an: already did :)
16:58
se6ast1an
MEETING CONCLUDED, many thanks everyone who participated
16:58
se6ast1an
Bertl: perfect!
16:58
vnksnkr
Bertl: thanks ! looking forward to it
16:59
Bertl
se6ast1an: thanks for moderating!
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Bertl
off for now ... bbl
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Bertl
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