Recent Posts

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11
Software Dev / Re: Monitoring value on IO trigger
« Last post by Matom on August 09, 2018, 08:08:52 AM »
Okay, thank you very much.

The answer might be the same to the following question, but is there a way to access the DAC?

I see some mentioning of io1DAC and io2DAC, but I cant find the exact address. So far we have tried to read from map_base+offset but the values there are always the same. I would really like to read an analog signal somehow. 

Do you have any suggestions?
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Chronos User Discussion / HDMI out planned behaviour and external recorder / monitor
« Last post by Ian on August 08, 2018, 11:34:47 PM »
Hi all
I have been following the hdmi updates closely and have a question or two now it looks as though it might be around the corner
The wording around its function. On the news feed it said playback out, other places imply live monitoring. Is the plan to show everything on the preview area of the screen i.e. the video? Both during recording, playback and setup and framing.

This question has arisen because I am looking for an additional reason to buy an Atomos recording monitor. I would love to be able to record the video out on the monitor as well as the high speed version on the camera. This would simplify post a lot for me.

Finally with my dubious eyesight having a larger daylight usable monitor would be fantastic.
Thanks
Ian
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Software Dev / Re: Updating the UI: Main Screen Edition
« Last post by patrickrebstock on August 08, 2018, 09:29:07 AM »
having the option to hide menus and settings and get full screen preview will be nice,
main problem when using chronos is the dim screen
i cant wait to use external monitor
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WOW, I just watched Linus Tech Tips video and found that there is a high speed camera company near my home. I watched those famous YouTuBe slow mo videos in the past but didn't even know they were using your camera. Your camera is really cool. Hopefully I can work with you guys in the future.

Regards,
Jason
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Software Dev / Re: Software Roadmap - 0.3.1, 0.4.x, etc.
« Last post by DDR on August 07, 2018, 04:32:46 PM »
This looks like a gold mine! We'll have to see what's available in quantity, but it all looks very promising. :D

Thank you, NiNeff!
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Software Dev / Re: Deploying camApp from Qt Creator
« Last post by DDR on August 07, 2018, 04:22:38 PM »
Im running Windows 10 and using Qt Creator. I installed Qt 5.8.0.

Hi Michael, I'm afraid Windows 10 is not a supported development platform. In addition, Qt 5.8.0 will not run on the Arago linux, the operating system of the camera.

Your best bet is to install Ubuntu in a VM such as VirtualBox and modify the existing QT 4 camapp, as per these instructions.

We have a version of the camera running Debian that can compile for itself, but I do not currently have video capture working on it. That will be brought together after my colleagues return from DEF CON, and hopefully documented not long after.

Best of luck!
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Software Dev / Re: Software V0.3 RC2 (Updated June 11, 2018)
« Last post by tesla500 on August 06, 2018, 03:21:16 PM »
I can't be the only one who has trouble with these updates.   No matter how I follow the instructions,   it still takes an hour of trying to shift files around until I either give up or get lucky and it eventually works.    I think I am still on version 2.0.   

You have one of the original prototypes which is not compatible with these updates (yet). Check your email shortly, we can upgrade your camera to accept the production firmware releases
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Did you happen to do any comparisons before and after the patch?
No, but shot a lot with the regular h.264. I had no available time to apply the update at separate locations.  There is a big difference in quality for the demosaic now.  Before it was dancing moire and aliasing everywhere fine detail was observed, now it is about 70% of what the RAW offers.  I will still shoot RAW for maximum quality where I need it but for just playing around the h.264 would do well. 

WHen direct DNG saving is ready it will also save the conversion step which is kind of a pain.   Maybe the DNG could be compressed to save space also.  Right now a typical session in RAW with the camera is about 30GB worth of data. Where it could really be 3GB if it was JPG like.    I wouldn't be opposed to a JPG saving feature either as long as the conversion is adequate.
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Software Dev / Re: Software V0.3 RC2 (Updated June 11, 2018)
« Last post by Taofledermaus on August 06, 2018, 01:15:49 PM »
I can't be the only one who has trouble with these updates.   No matter how I follow the instructions,   it still takes an hour of trying to shift files around until I either give up or get lucky and it eventually works.    I think I am still on version 2.0.   
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Chronos User Discussion / Re: Chronos 1.4 Footage Thread
« Last post by hydraulicpresschannel on August 06, 2018, 10:28:12 AM »
I think I should try out prime lenses that I have now here for the cameras if there is a difference. But in general we need zoom lenses on all cameras when we film since we don't have much time to use per one video, safety things also dictate camera placement and with high speed cameras the changing resolution makes things also bit hard. I try to always stay over 2 aperture since I think under that picture comes out always bit soft.
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