Testing Image Sensor and Display
Gstreamer in the iMX board
The i.MX family has a big set of plugins that enable a lot of formats. It has some hardware acceleration, but each board has some peculiarities.
TV Out - Configuring
AlphaBlending is used to exibhit two images on display, one of these is transparent image. Normally you use a solid background image and a transparent (alpha) image on foreground.
How to get a screenshot from framebuffer display?