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Codec for YUV422 to RGB conversion

Gabriele Randelli
Intellectual 335 points

Hi,

 

I own a DM6446 board with which I'm acquiring raw video from a PAL camera through Video 4 Linux (following a TI tutorial). Captured frames have YUV422 format, and I would like to convert them into RGB representation for OpenCV image processing. It seems to me, looking at the VPFE manual, that there is no hardware conversion for this. I tried to create a very simple ARM library to convert the frames (basically, it is the ARM version of a function I found on the IMGLIB2 library), but the app is really slow, adding a significative delay. Is there any available codec to perform this? My fear is that I cannot rely only on ARM for this type of conversion. Am I right?

 

Thanks

Gabriele