[Qt-embedded-interest] QT/E 4.5.0 glints in yuv422 color space

[naixuan guan]

Hello， everyone

The version of Qt I use is QT embedded 4.5.0

1.It works fine in rgb color space
2.when it works in yuv422 color space, it seems color distortion, the Qt
window glints（Screen refresh）, I check this by flush the framebuffer with a
frame of yuv422 data.

so, my question is as follow:

1.Does Qt/E have been designed to work in rgb color space?
2.If so, what can I do to make Qt Window not glink, if color distortion can
be tolerated

Thank you!
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