Current Server Time: 19:25 (Central Europe)

#apertus IRC Channel Logs

2018/07/23

Timezone: UTC


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04:03
Bertl_oO
the non-ascii names can probably be addressed with a simple sed script (will look into that soon) ... the bus problem needs to be investigated and addressed though
04:03
Bertl_oO
but I'm glad that a new major release was done
04:03
Bertl_oO
off to bed now ... have a good one everyone!
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Bertl_oO
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12:00
TofuLynx
Good afternoon!
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15:02
Bertl_zZ
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15:02
Bertl
morning folks!
15:03
se6astian
good day!
15:03
TofuLynx
Hello! :)
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BAndiT1983|away
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se6astian
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16:44
RexOrCine
Meeting shortly.
16:45
TofuLynx
Okk, will you be the host? :)
16:46
RexOrCine
I only host the RPGs.
16:47
RexOrCine
http://i.ytimg.com/vi/SyuFLxQZf78/hqdefault.jpg
16:47
nmdis199-
Good evening everyone :D
16:47
RexOrCine
"I can't read while I'm also trying to see things!"
16:49
RexOrCine
Sebastian might be a little bit late because i showed him the Board Game Backpack on IndieGoGo and he went berserk.
16:49
TofuLynx
Wow xD
16:49
RexOrCine
"The most comfortable & convenient game bag ever created to protect your expensive board games on the go!"
16:50
TofuLynx
Good Afternoon here nmdis199- :D
16:50
nmdis199-
haha..great!
16:50
nmdis199-
How's it going TofuLynx?
16:50
TofuLynx
I am doing great! What about you? :)
16:51
nmdis199-
I'm fine, thank you. Your exams ended well?
16:51
TofuLynx
Yeah, however not the best semester I have had regarding marks
16:52
TofuLynx
but I didn't go to the Second phase exams so that does a difference
16:52
nmdis199-
I've had similar experience last semester. You'll cover up :D
16:52
TofuLynx
yeah xD
16:52
TofuLynx
What about yours?
16:53
TofuLynx
Ended well too?
16:53
nmdis199-
Uni is going to start from 2nd August , so I guess I'll have to cover up a lot of things. But things seems pretty exciting as this sem we'll have DSA and database management etc
16:54
TofuLynx
wow, so soon!
16:54
TofuLynx
Mine starts in october
16:54
TofuLynx
I will have database too next year, and IA!
16:54
nmdis199-
We've 2 months summer breaks here, starts from May 26 and End on August 1.
16:54
nmdis199-
IA ?
16:54
TofuLynx
AI*
16:54
nmdis199-
yeah, thought so :)
16:54
TofuLynx
Sorry, mistaken for IA in portuguese xD
16:55
TofuLynx
IA -> Inteligencia Artificial xD
16:55
nmdis199-
interesting :D
16:55
TofuLynx
So yeah, it's cool
16:56
TofuLynx
Also here the summer breaks are from late june to september, inclusive
16:56
nmdis199-
That's a lot of time to do stuff and enjoy!
16:57
TofuLynx
Yup! That's why I love summers! I tend to apply what I learned from the university
16:58
nmdis199-
How's your project going?
16:58
TofuLynx
I won't start my project yet. Only after GSoC :P So I don't get lost in focus
16:59
nmdis199-
Okay, sounds nice idea.
16:59
TofuLynx
What about you? Any project?
17:01
nmdis199-
Well, my uni is starting soon, so I am trying to further contribute to apertus along with my studies. Maybe I'll do my own project next summer. I have a lot of things to learn before choosing a project topic :)
17:01
RexOrCine
Sebastian is in emails with the makers of Boardgame Backpack. Can you PM me if you intend to speak during today's meeting please?
17:01
nmdis199-
Sure :)
17:01
RexOrCine
(That's the usual routine I think)
17:01
nmdis199-
yes, it is.
17:02
TofuLynx
Okk Sure :P
17:02
supragya
has the meet started?
17:02
RexOrCine
supragya are you present?
17:02
RexOrCine
Ah
17:02
nmdis199-
not yet @supragya
17:03
RexOrCine
It's about to.
17:03
supragya
yes I am RexOrCine
17:04
RexOrCine
Ok so TofuLynx supragya and nmdis199... anyone else to speak?
17:04
TofuLynx
felix_ ?
17:04
RexOrCine
If so let me know. nmdis199 would you like to start? What you been up to?
17:05
nmdis199-
Yes, sure!
17:05
nmdis199-
Last week I was working on waveform and vectorscope tool.
17:05
nmdis199-
although the formula I used is good for JPG based tools but it had some problems when it comes to raw data because while using gamma correction, white balance etc etc we are losing data and it’s quite probable to get overexposure.
17:05
nmdis199-
So, my tools needs some changes
17:06
nmdis199-
a1ex and I talked about our approach yesterday and we are trying to use different formula to calculate chrominance and luminance (which isn’t using much color science).
17:06
nmdis199-
He showed me some of the examples and a kind of similar tool he worked on (in magiclatern) and we are trying to adapt our tool for raw data.
17:06
nmdis199-
So, I guess this week we’ll try to implement the discussed approach and it sound better than what I did earlier :)
17:06
nmdis199-
That's all for this week.
17:07
RexOrCine
Good stuff.
17:07
rahul__
hello everyone
17:07
supragya
hi
17:07
nmdis199-
hello rahul__
17:08
RexOrCine
Hi rahul__ ... OK TofuLynx next.
17:08
TofuLynx
Okk :)
17:09
TofuLynx
So, last week my goal was to finish the implementation of nearest neighbor in OpenCL
17:10
TofuLynx
I had some initial trouble when creating the initializers and stuff, but my mentor reminded me that I could use the OpenCL error handling system, which helped a lot
17:10
TofuLynx
As I could pinpoint where the errors would come from
17:10
TofuLynx
after that, I initially made a Nearest Neighbor implementation in OpenCL, but I found it very "hacky" and hard to understand
17:11
TofuLynx
I made a wrong approach, I was thinking about a one kernel fits all the cases. But it's not the best approach.
17:12
TofuLynx
After that, I went to the Bilinear Interpolation Implementation, and changed my approach. I thought about using 6 differents kernels, instead of one universal kernel
17:12
TofuLynx
although it increased the size of the kernels.cl file, it was a lot easier to maintain and to code on the .cpp side. And probably more efficient as well
17:13
TofuLynx
After the implementation, I had to demosaic the borders and for that I would need to use Nearest Neighbor Implementation only for the borders, so I started refactorizing the initial cumbersome implementation
17:14
TofuLynx
I finished today the refactorization, I made another six different kernels for it, one for each case. It helped a lot. In fact, it was so easy to use that I could reuse the kernels for the border demosaicing in Bilinear Interpolation.
17:14
TofuLynx
So, today I finished the Bilinear Interpolation and nearest Neighbor Implementations. :)
17:15
TofuLynx
And that's all, folks!
17:15
se6astian|away
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17:15
RexOrCine
Good work.
17:15
se6astian
sorry for the delay!
17:15
se6astian
here now
17:15
TofuLynx
Thank you!
17:15
supragya
hi
17:15
se6astian
great you started already
17:15
rahul__
hi
17:15
nmdis199-
good evening!
17:15
TofuLynx
No problem, se6astian :)
17:15
RexOrCine
Did you buy one then? (The backpack)
17:15
supragya
so should I pitch in....? if it's okay?
17:16
RexOrCine
OK supragya?
17:17
supragya
so, it's quite short.... we finally got a DNG running off of the MLV files we generated synthetically
17:17
supragya
and were able to encode RAW12 in that...
17:18
supragya
it was just a single frame... but a few changes to the mlv structs made it possible to make it AXIOM specific
17:18
supragya
PLR blocks are not tested... however
17:18
supragya
they can still be added still
17:18
se6astian
sounds good, any more recent screenshots than from the emal conversation I was CCed in?
17:18
supragya
today, I encoded multiple frames in that and started integrations with the emulator
17:19
supragya
full emulation and documentation should be completed before weekend
17:19
supragya
se6astian: the last screenshot by g3gg0 was the best output so far
17:20
se6astian
right
17:20
supragya
we still need a color matrix info and wbal info
17:20
supragya
from the camera...
17:20
supragya
for PLR blocks... they need changes in mlv_dump and mlvfs
17:21
supragya
they I think would remain future works... but are shown to be surely feasible
17:21
se6astian
https://github.com/apertus-open-source-cinema/misc-tools-utilities/blob/master/raw2dng/raw2dng.c#L46
17:21
supragya
and perhaps one of the better ways to do it
17:21
se6astian
you can take some bits like color matrix from raw2dng code probably
17:21
supragya
ah... thanks... will use those
17:21
TofuLynx
what does PLR mean? Is that tech used for HDR?
17:21
se6astian
TofuLynx: yes
17:22
TofuLynx
Ok :D
17:22
supragya
So, that ends my report so far
17:22
se6astian
great, many thanks
17:22
supragya
I am currently spending time in integrations and getting modules to work with each other... so that's what I am doing rn
17:22
se6astian
I would love to tweet something about your progress, TofuLynx do you have a file produced by OpenCL or otherwise a screenshot of the OpenCL output?
17:23
TofuLynx
I don't have any file yet. But I can take a screenshot of the new GUI of ProcessingTest made by BAndiT1983 with the output of openMP algorithms
17:23
se6astian
supragya maybe a screenshot from a converted raw12 in the the MLV player?
17:24
se6astian
sounds good, anything thats a good demonstration would be great
17:24
supragya
se6astian: not really sure... I don't use MLV player directly.. I convert to DNG and see in darktable
17:25
supragya
those screens are already CCed
17:25
se6astian
yes but showing a DNG is darktable is not really doing all the stuff that went into it justice :)
17:25
supragya
well, give me some time... will provide you with something soon
17:26
se6astian
great
17:26
RexOrCine
rahul__: Will you be updating us?
17:26
se6astian
thanks
17:26
rahul__
yes
17:26
supragya
let the integrations be stable a bit
17:26
RexOrCine
rahul__: Go ahead.
17:28
TofuLynx
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17:29
rahul__
This week again went into the integration of the IP into the output pipeline. over the last three weeks im involved into this, so last week I came to know about certain misconceptions I had regarding the color matrix IP block as well as I had ignored the Image overlay signal, so taking into account those errors, I incorporated the required signals in the top level AXIOM beta vhdl code.
17:31
rahul__
I am still a bit confused on how the HDMI(TMDS ) block demands pixel stream from the Memory as there is not much documentation available and its not clear from the code, but Bertl helped me through the other stuffs as well so ill contact him soon regarding this as well.
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17:32
rahul__
Once I understand this concept then It would be easier for me to know whether extra delay blocks are required in parallel with my IP or not in the output pipeline.
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17:32
rahul__
Thats all from my side
17:32
rahul__
:)
17:32
se6astian
thanks!
17:34
se6astian
who is still missing
17:34
se6astian
ArunM: you around?
17:37
se6astian
anyone else want to give a brief update?
17:37
Bertl
nothing relevant from my side
17:37
rahul__
Thank you for the meeting I have to catch train
17:37
RexOrCine
Nothing really to report my side. Just documentation stuff. Presently building up the parts archive. Sebastian and i visited an equipment rental house last week and it's really good. They're 30 seconds walk from the office and it should mean that we're able to compare the camera against other cameras quickly and easily. Also should have access to a wide range of lenses. Tomorrow we're meeting with manfred to shoot some last clips for TT14.2 (the arti
17:38
RexOrCine
So TT14.2 can be expected.
17:38
se6astian
TT14.3 it will be actually
17:38
se6astian
well then, meeting concluded!
17:39
se6astian
many thanks everyone for attenting
17:39
se6astian
*attending
17:39
g3gg0
and i joined too late :)
17:39
TofuLynx
hello g3gg0 xD
17:40
g3gg0
hi :D
17:40
Bertl
a tad bit too late :)
17:41
g3gg0
newborn didnt want to sleep
17:41
g3gg0
she doesnt understand yet what i want her to do. so challenging :D
17:45
g3gg0
@se6astian: do you have a color matrix for the sensor?
17:45
g3gg0
color matrix for bayer -> [any colorspace] transformation?
17:45
g3gg0
ah ok nm, supragya just sent me the link
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21:19
felix_
monday 19:00 i'm usually on the way to do some sport; last two weeks i wasn't home so i had time for the 19:00 clock meeting. today i haven't any news though
21:20
felix_
well, maybe that the wisdom tooth extraction i had ~1,5 weeks ago went well
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21:29
se6astian
good to hear, still :)
21:29
se6astian
off to bed now
21:29
se6astian
good night
21:29
se6astian
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21:29
g3gg0
n8
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