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i.MX6 IPU color space conversion issue

Question asked by Fabricio Quiros on Sep 18, 2015
Latest reply on Sep 22, 2015 by Fabricio Quiros

Hi everybody,


I am using a custom i.MX6 board and I am working on a color space conversion application. My input image is 1920x1080 in UYVY 16-bit format and my output target image is 1920x1080 8-bit Gray scale. I've already read about the 1024x1024 limitation of the i.MX6 IPU in certain Freescale forums, so I've implemented and adapted the splitting logic recommend in the following link: to my source code. In fact, I've accomplished the respective color space conversion of the input image (Figure 1), but the resulting image (Figure 2), if you guys can noticed, has a sort of black line right in the middle of it. I've been trying to debug this issue, but currently I haven't found any hint about what is going on. So I've come to ask to the Freescale Community if someone has dealt with this issue. Thanks in advance for any help.




Figure 1. Input image, resolution at 1920x1080, format 16 bit UYVY.




Figure 2. Resulting image of the color space conversion, resolution at 1920x1080, format 8 bit Gray scale.