get_pixels_ayuv

a OverlayRectangle

flags If a global_alpha value != 1 is set for the rectangle, the caller should set the GLOBAL_ALPHA flag if he wants to apply global-alpha himself. If the flag is not set global_alpha is applied internally before returning the pixel-data.

a Buffer holding the AYUV pixel data with width and height of the render dimensions as per get_render_rectangle. This function does not return a reference, the caller should obtain a reference of her own with gst_buffer_ref if needed.