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#apertus IRC Channel Logs

2023/02/20

Timezone: UTC


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15:49
se6astian_
Still on the road so no meeting today from my side
15:59
Bertl
okidoki
16:07
anuejn
okay, I can report on some progress anyways:
16:08
anuejn
I worked a bit on the recorder (mostly because I was not home and thus couldn't do the hardware tests promised)
16:08
anuejn
you can see the work here: https://github.com/apertus-open-source-cinema/axiom-recorder/pull/41
16:08
anuejn
in summary it changes how gpu based nodes are written
16:09
anuejn
they are now kind of special cased and have a wrapper that makes them normal nodes
16:09
anuejn
they describe what they want to do in a more or less static / analytical(?) way
16:10
anuejn
in a next step this would allow us to compose them in a way that does not have a huge performance penalty
16:11
anuejn
by avoiding writing the output of one node to a buffer and reading said buffer back in the next node.
16:11
anuejn
instead we directly merge the shader code of the nodes into one and avoid the memory bandwidth cost
16:12
anuejn
this way we can write 'smaller' nodes with good conciouse and then compose them to do actually helpful stuff
16:13
anuejn
(for example one rgb to hsl node and one multiplication node that can then increase only the saturation)
16:13
anuejn
I also started testing the rockpi - beta combination but that didn't go anywhere yet
16:14
anuejn
I think I will change strategies and moving parts and first try to get a more boring pipeline to work (current ci images and no gui recorder)
16:14
anuejn
thats it from my side :)
16:15
Bertl
I did some work on the RPI2040 side and tested with two Pico Pis that one can easily program the other
16:16
Bertl
I also designed a minimal breakout board for the RP2040 which will hopefully soon allow to do some more tests regarding booting one RP2040 from the other
16:17
Bertl
the RP2040 definitely looks quite nice from the programming PoV and I think it is currently the best solution for the future Axiom Remote
16:17
anuejn
Bertl: sounds great :D
16:17
Bertl
we still need to do some testing regarding LCD/TFT but I think that should be doable with reasonable framerates
16:18
Bertl
button handling and debouncing should also be no problem, this can likely be done with the PIO code or some simple interrupt routine
16:19
Bertl
I also worked on the button board for the Axiom Beta Compact, so we should get that sorted soon as well
16:19
Bertl
that's it from my side.
16:20
anuejn
Bertl: Button card?
16:20
anuejn
does that only contain a power button or anything else?
16:21
Bertl
basically a power button and a header to reduce the wiring for now
16:22
Bertl
in the future it will also contain some logic and a status LED
16:24
anuejn
Okay
16:40
se6astian_
great progress guys, thanks for the insights!
16:40
se6astian_
arrived now
16:40
se6astian_
just quick update from me: ordering of parts for CP enclosure and around it is commencing, only a few parts left
16:40
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16:41
se6astian_
to clarify: not the enclosure itself, parts around it like screws, connectors, springs, etc.
16:41
se6astian_
the enclosure itself is already long ordered and being milled currently I must assume
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21:05
anuejn
cool!