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| 13:28 | Bertl_zZ | changed nick to: Bertl
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| 13:28 | Bertl | morning folks!
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| 14:51 | niemand | Bertl, is 720p30 also possible as output? (not now, but for the event)
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| 15:04 | Bertl | it would be doable, yes
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| 15:05 | Bertl | the HDMI output sequencer is configurable, so you can program it to output 720p as well
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| 15:07 | Bertl | or do you mean 1080p and 720p in parallel?
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| 15:08 | niemand | Bertl, only 720p
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| 15:08 | Bertl | okay, yes, that should be rather simple, just needs some testing
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| 17:04 | niemand | axiom beta -> decklink capture cards is not really working ...
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| 17:05 | niemand | With a usb caputure card it works (1080p30 only), with a monitor it worked with 1080p60.
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| 17:06 | niemand | and currently I see a green image but with the correct axiom beta overlay. what could cause this, Bertl?
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| 17:13 | niemand | okay with the decklink mini recorder we only get red and green tones, with a correct overlay. With a blackmagic pocket camera it works fine, also with intensity shuttle as capture card via usb.
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| 17:15 | kaiserlich | long time, no see ^^
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| 18:32 | Bertl | niemand: the axiom overlay is white, but the image is green?
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| 18:32 | Bertl | kaiserlich: welcome back!
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| 18:32 | kaiserlich | (:
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| 18:32 | kaiserlich | hi hi
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| 18:33 | Bertl | niemand: the overlay is combined before the TMDS (HDMI) encoding happens, so if that works, then you just managed to configure the matrix or output LUTs in an unfortunate way
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| 18:34 | Bertl | matrix and LUTs do not affect the overlay, only the image from the sensor
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| 18:38 | niemand | turns out, the image is there, but only in green and red
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| 18:38 | Bertl | maybe you just think that the overlay is correct
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| 18:39 | Bertl | in any case, make sure that you are capturing RGB444 not YCrCb or any subsampling
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| 18:40 | Bertl | as I said, the (sensor) image is processed by the matrix and gamma LUTs, and then combined with the overlay
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| 18:40 | Bertl | once that is done, the resulting RGB 8bit values are encoded for HDMI
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| 18:41 | niemand | yes, the sensor is ok
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| 18:41 | niemand | we havent experimented with luts etc. yet
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| 18:41 | Bertl | so if the overlay is correct, then the 'processed' sensor image has to be fine as well
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| 18:42 | Bertl | btw, you can simply try with loading a few overlays or even images from SD card
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| 18:42 | niemand | is suspect the subsampling, but needs to be investigated.
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| 18:42 | niemand | s/is/i/
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| 18:43 | Bertl | if you have a specific recording system you want to be tested with the camera, the best way is to send it to us and we will check it
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| 18:47 | niemand | We can't set the subsampling in the card for the input.
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| 18:50 | niemand | Axiom beta 1080p30 HDMI -> Decklink mini recorder: rosa/gruen
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| 18:50 | niemand | Axiom beta 1080p30 HDMI -> intensity shuttle HDMI out -> decklink mini recorder: works
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| 18:51 | niemand | other cameras work, directly connected to the decklink mini recorder
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| 18:54 | niemand | with some other capture cards it doesn't work at all
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| 18:56 | niemand | the intensity pro 4k and studio
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| 18:58 | niemand | this is probably hard to debug as you can't look into the capture cards
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| 19:06 | Spirit532 | probably some deviation from spec/standard
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| 19:17 | niemand | because it's HDMI
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| 19:18 | niemand | we never expected that everything works out of the box
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| 19:24 | niemand | Bertl, would it be possible to output the stream encoded via ethernet?
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| 19:32 | niemand | This is what I get: https://sebix.at/tmp/axom_decklink_mini_recorder.jpg
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| 19:33 | Spirit532 | niemand, you could stream via ethernet
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| 19:33 | Spirit532 | but
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| 19:33 | Spirit532 | the speed won't be pretty
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| 19:34 | niemand | Spirit532, can axiom encode to mpeg/h.264?
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| 19:34 | Spirit532 | it's got an FPGA
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| 19:34 | Spirit532 | it can encode into alien communications if you can write a core
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| 19:36 | niemand | but i dont know if the encoder runs on the fpga. if it does, great :) would be much less problematic
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| 19:37 | Spirit532 | there is no encoder.
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| 19:37 | Spirit532 | you have to make one.
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| 19:41 | niemand | is it possible to set the shutter speed?
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| 19:45 | se6astian | yes, you set the shutter through the exposure time
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| 19:45 | se6astian | see cmv_snap3 in wiki
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| 19:45 | niemand | no, for video
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| 19:46 | niemand | And how to set the gamma curve for the beta? I only found this for alpha: https://wiki.apertus.org/index.php/Axiom_Alpha_Software#LUTs
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| 19:46 | niemand | we currently have ~10fps
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| 20:04 | niemand | theory by clemens: is the blue led flashing with the same rate as the fps?
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| 20:08 | Bertl | okay, no, streaming via gigabit ethernet is not a good option
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| 20:08 | Bertl | encoding on the Beta is doable, but consumes a lot of resources and probably won't work above full HD
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| 20:08 | niemand | with 720p?
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| 20:09 | Bertl | regarding shutter, you set the exposure time and the sequencer alignes the exposures with the HDMI frame rate
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| 20:09 | Bertl | so, if you have 60 FPS HDMI output, you can get 60 or 30 or 15 or 10 ... FPS
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| 20:10 | Bertl | the actual output frame rate is determined by the exposre plus transfer time
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| 20:10 | Bertl | and yes, the blue LED flashes for each frame :)
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| 20:10 | Bertl | for the gamma curve, there is a shell script and a C tool which adjusts the LUTs
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| 20:11 | Bertl | regarding encoding, there is no available solution at the moment, so somebody would have to write it
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| 20:12 | niemand | what are these scripts and tools for the gamma curve?
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| 20:13 | niemand | is it possible to get the current frame rate?
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| 20:15 | Bertl | btw, the image you linked looks like YCrCb
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| 20:16 | niemand | can the axiom send in this mode?
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| 20:16 | Bertl | lut_conf3 is the C tool to set any LUTs including the gamma LUTs
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| 20:16 | Bertl | and gamma_conf.sh is the script which allows to set gamma values and program the gamma LUTs
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| 20:17 | Bertl | @YCrCb no, not yet, but it would be possible to add a conversion if necessary
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| 20:17 | Bertl | currently we only generate RGB444
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| 20:19 | niemand | ah, pmem is ./pmem
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| 20:20 | niemand | just fixed this in the wiki
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| 20:21 | niemand | Hm, "./lut_conf3 -r < /tmp/lut.save" says "mapped .." but doesnt exit.
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| 20:34 | Bertl | careful with changes to the wiki, this is for the Alpha
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| 20:34 | Bertl | i.e. don't change anything you haven't verified on an AXIOM Alpha :)
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| 20:34 | Bertl | best would be to make a similar page for the Beta and adjust it there
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| 20:36 | niemand | it doesnt work either
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| 20:44 | Bertl | what doesn't work?
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| 20:45 | niemand | ./lut_conf3
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| 20:51 | niemand | off for now/today
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| 23:21 | Bertl | off to bed now ... have a good one everyone!
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