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DLPLCR50XEVM: Video pattern mode question

Alejandro Velez Zea
Prodigy 30 points
Part Number: DLPLCR50XEVM

Tool/software:

Hello. I am alejandro velez zea.

 

We recently acquired a DLPLCR900DEVM with a DLPLCR50XEVM. Thus far, we have been using this device for holographic display applications by loading binary patterns with pattern-on-the-fly mode. However, we now need to stream a long video, composed of 8 binary patterns per color channel. Reading the manual, we can see that video pattern mode can decompose a hdmi input into up to 1000 binary pattern per second projection.

However, we do not understand how to perform the conversion between our 8 binary pattern per color channel into a video signal that can be read by the DLPLCR900. Is there any guide or resource to better understand this process?

  • 0
    TI__Guru 54585 points

    Hello Alejandro,

    You will need to take each 1-bit pattern and assign it a "bitplane".  So pattern 1 into G0, 2 into G1 . . .  8 into G7.  Similarly for each color.  Then you will have an RGB image that you put into a video frame.  Rinse and repeat untill you have the whole stream.  Then you can string these together into a video.

    There is software that will do this for you.  I.e. take a series of 24 bit RGB images and string them together into a video. You can run 24 bit patterns every frame at 60 frames per second. Which should give about 1440 patterns per second.

    Fizix