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Lightningwizard
登録日: 2007.10.19 記事: 165
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日時: Sat Jun 07, 2014 7:44 am 記事の件名: Video stream freeze problem |
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I'm observing tonight and noticed my Watec video stream stopped updating while detecting. I've seen this problem already from a few other cameras I operate remotely and use the Auto Restart Interval on them (10 minutes). But is there any insight on what makes this happen? It runs at just 7% CPU use.
_________________ Weather & Photography
http://www.lightningwizard.com
EuroSprite blog:
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SonotaCo Site Admin
登録日: 2004.08.07 記事: 12671 所在地: 139.67E 35.65N
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日時: Sat Jun 07, 2014 8:00 am 記事の件名: Re: Video stream freeze problem |
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Lightningwizard wrote: | Watec video stream stopped updating while detecting. |
Do you mean frmaes are dropped in the stored video?
Or it looks stopping on the Live view sheet?
Are you using Single File Mode?
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Lightningwizard
登録日: 2007.10.19 記事: 165
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SonotaCo Site Admin
登録日: 2004.08.07 記事: 12671 所在地: 139.67E 35.65N
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日時: Sat Jun 07, 2014 8:04 pm 記事の件名: |
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Lightningwizard wrote: | It is the live feed yes. It does not seem to detect anymore as the frame no longer changes. |
Thank you for info.
I saw similar problem on BMD DecklinkSDI4K recently.
It does not start detection (bar stays yellow). I could not solve this problem yet.
What is your capture device?
Which Is the status bar color blue or yellow?
Does the problem occur recently?
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Lightningwizard
登録日: 2007.10.19 記事: 165
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日時: Sat Jun 07, 2014 10:50 pm 記事の件名: |
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It seems only a recent problem, except for one computer. All computers have different capture devices. It happens in detection mode (image freezes or goes black). Maybe some Windows update or a graphics device driver issue (I saw it was updated in February). I think it could be hard to find out...
There is another computer with a Pinnacle700 driver which (after days/weeks) will no longer show any stream unless the PC is rebooted. That seems a capture device issue.
_________________ Weather & Photography
http://www.lightningwizard.com
EuroSprite blog:
http://eurosprite.blogspot.com |
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SonotaCo Site Admin
登録日: 2004.08.07 記事: 12671 所在地: 139.67E 35.65N
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日時: Sun Jun 08, 2014 6:33 am 記事の件名: |
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Thank you for details.....
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Lightningwizard
登録日: 2007.10.19 記事: 165
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日時: Mon Jun 06, 2016 9:46 pm 記事の件名: |
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Hi SonotaCo,
I am coming back to this topic. I am operating an spectrometer system for my colleagues of IAA-CSIC in Granada along with my own camera. They recently installed a new PC. Problem is the BlackMagic Design Decklink driver somehow does not work properly on this PC, showing no image. (it's a Decklink Mini Recorder PCI card from 2013). Therefore we currently resort to another input (I think the Canopus) to record a lower resolution stream.
In UFOCaptureHD we select the A/D Tape Recorder and Playback device. It displays the stream, but if you let it capture for a few minutes, the stream freezes. Not sure why. The last time I could not even restart it, as if the device is no longer found. (Media type not matched and could not draw graph errors)
Assuming we could restart it normally within a few minutes time, I was looking for the Auto Restart Interval of UFOCapture V2, but it seems intentionally not present in the HD version (of course, otherwise a not-licensed version could be made to restart before 30 minutes)
Do you have ideas we could try and any experiences solving problems with BlackMagic devices?
_________________ Weather & Photography
http://www.lightningwizard.com
EuroSprite blog:
http://eurosprite.blogspot.com |
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SonotaCo Site Admin
登録日: 2004.08.07 記事: 12671 所在地: 139.67E 35.65N
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日時: Tue Jun 07, 2016 8:00 am 記事の件名: |
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Hi oh IAA-CSIC in Granada .....
png below is the HD30.0 capturing on Windows10 using Mini-recorder(thunderbolt).
It uses latest DestopVideo 10.6.6 as the driver.
Check points may be ...
0) comfirm you can see the video normally on BMD Media express
1) select right input pin (HDMI for my sample) on the BMD contril panel
2) select "Decklink video capture" as the input device on UFOCapture
3) set precise fps correctly (29.97 and 30.0 are different here), what is your camera?
as for recent windows, the HDD power off setting caused troubles on many PC.
please check the figure below
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