Just want to give a hint if you use your Yi upside down as a dashcam.
In that case you might need to use the rotated image. The image is rotated at the end of image processing, I mean after the light metering. In some situations (driving toward the sun and the sun is low) the road and the other vehicles will be underexposed. To help this issue I took a screenshot of the rotated image and tuned the AE table to match the road (see picture). Thanks to this the road is never underexposed, but the sky is more often burned, so to catch a meteorite is not possible.
I have also modified the average mode.
In that case you might need to use the rotated image. The image is rotated at the end of image processing, I mean after the light metering. In some situations (driving toward the sun and the sun is low) the road and the other vehicles will be underexposed. To help this issue I took a screenshot of the rotated image and tuned the AE table to match the road (see picture). Thanks to this the road is never underexposed, but the sky is more often burned, so to catch a meteorite is not possible.
I have also modified the average mode.
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