Current Server Time: 21:32 (Central Europe)

#apertus IRC Channel Logs

2018/12/24

Timezone: UTC


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RexOrCine
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BAndiT1983
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14:57
Dev2608
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14:58
Dev2608
Hello folks !
14:59
Dev2608
This is Devendra , i am currently working with suprgya , on the frameserver of opencine ,
15:05
Bertl_oO
hey Dev2608! keep up the good work then!
15:44
anuejn[m]
> interesting read about the optical film adapter not being entirely dead by now - at least for medium format: https://fiddleoak.wordpress.com/2017/12/29/large-format-video/
15:44
anuejn[m]
nice :)
15:44
anuejn[m]
i was considering to buhld something similiar, too :)
15:45
anuejn[m]
will try with some medium format mate screen and lens have :)
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BAndiT1983|away
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BAndiT1983
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17:32
Dev2608
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17:35
Dev2608
Hello ! Bertl_oO and BAndiT1983 , I could able to to understand this code https://github.com/BAndiT1983/OC_FrameServer/tree/dev
17:37
Dev2608
and able to run it on my system ans things about The aviEncode which is forming sample avi file and fuse for filesystem
17:38
Dev2608
Now , currently i was trying to extract frameData from an .mlv file
17:39
Dev2608
https://github.com/shikamaruNARA17/MLV_TIFF , code for same , but it is giving wrong output(please check the build folder which contain the extracted frame )
17:39
Dev2608
How should i proceed from this point , please guide :)
17:42
Bertl_oO
No idea, I'm working on the AXIOM camera only, but BAndiT1983 might know ...
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17:46
BAndiT1983
hi Dev2608
17:46
Dev2608
Hi BAndiT1983 :)
17:47
BAndiT1983
seems like the output is something like raw12, but is not calculated correctly
17:47
Dev2608
Yes , according to suprgya , may the size and the aspect ratios is wrong
17:48
BAndiT1983
of course, as the data is linear and you are reading the block as linear data, but in fact you have to read just first parts of each row
17:50
Dev2608
i tried to read the main header , then the RAWI header to take information about the upcoming frame , the tried to read five of them
17:50
Dev2608
Then*
17:51
BAndiT1983
first i would start with 1 frame, also try to use hex editor to find the structure of the file
17:51
Dev2608
okay
17:51
BAndiT1983
then search for the first frame and image data, to make it simple you should read the whole image data, otherwise you have to search for every row and read the data of the size you want
17:52
BAndiT1983
also check if lodepng is able to store 16bit png, as there was some trouble with 16bit, but i don't remember which one precisely
17:53
Dev2608
i have asumed that , the size of framedata is same for every frame , please correct me if i am wrong
17:53
Dev2608
i will surely look for hex editor , thanks
17:53
BAndiT1983
of course, but you cannot read 256x256 block, if the data is 4k
17:54
BAndiT1983
otherwise you have to read first 256 values, then jump to the offset of 4k row to get next one and read 256 values again and so on till the end
17:55
BAndiT1983
like this https://www.researchgate.net/profile/Esmitt_Ramirez/publication/284171406/figure/fig3/AS:297491087020039@1447938810897/Structure-of-the-RGB-image-as-a-sequence-of-bytes-to-be-store.png
17:56
Dev2608
okay , let me first make things clear about the real structure using hex editor , i will update u soon
17:56
Dev2608
thanks for help
17:57
BAndiT1983
no problem, just ask questions even if nobody answers first, we check the logs regularly
17:57
BAndiT1983
or join lab.apertus.log for direct messages or comment threads
17:58
Dev2608
okay , thanks
17:58
Dev2608
i will join it
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19:18
Bertl_oO
off to bed now ... have a good one everyone!
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Bertl_oO
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BAndiT1983
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