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ISSUE USB Camera Support

Discussion in 'Hardware Support' started by halfajobj, 12 January 2021.

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  1. halfajobj

    halfajobj New Member

    Messages:
    5
    Hi there I have seen a LED back light kit from Govee that uses a camera and a small box to control the back lights, Can Hyperion use USB cameras for a similar pupose instead of using hdmi video grappers
     
  2. jeroen warmerdam

    jeroen warmerdam Raspberry 3B / APA102 / Hyperion.NG relaisbox

    Messages:
    433
    Hardware:
    RPi3
    hello.


    yes you can but results of using the camera pointed at a tv screen results in stripes/waves to your grabbed image.
    Reason is ( experimented with it myself) that the camera also picks up refreshment rate of picture lines, especially the horizontal ones > try to record a tv with a smartphone and you know what i am talking about. All that static and noise is be taken in your grabbed image on Hyperion.

    so yes you can do that, and no quallity of that will be slim.
     
    • Like Like x 1
  3. halfajobj

    halfajobj New Member

    Messages:
    5
    Well is there a Filter built in Hyperion that can compensate for this or is there a camera that can compensate for this as i so How does Govee get around it and systems like https://ambivision.tv
     
  4. jeroen warmerdam

    jeroen warmerdam Raspberry 3B / APA102 / Hyperion.NG relaisbox

    Messages:
    433
    Hardware:
    RPi3

    the delay with a camera is big, Hyperion.NG has no filters build in as far as my knowledge goes to enhance camera grab quality.

    you can see that in this system of Ambivision the 'lag' is noticeable where its only build to work on grabbed images from a screen with WIFI.
    colours are too late. >>

    you can also see this on their site.


    so again, no i don't believe that you get satisfiying results with this running on Hyperion. .
     
  5. davieboy

    davieboy Member

    Messages:
    36
    Hardware:
    RPi1/Zero, RPi2, RPi3
    IMO the cost of getting a decent camera plus all the bits and bobs required in getting it setup and positioned then the numerous hours trying to get a setup like this to work,
    Id personally just get a Roku stick or something similar to run the apps you use and then use that with a grabber instead of the inbuilt tv apps, assuming that's the predicament you are in based on your previous posts