[Q] extract camera driver from stock to custom Rom topic

Hi,

I have a doogee dg550 rootet and I want to flash a custom Rom. There are some on needrom but the rear can doesn't work. It is because doogee updatet the cam hardware. On my stock Rom the cam works. Now I have to port only the cam driver from stock to custom. The rest of the custom Rom works perfectly. Is this possible?

[Q] How can i extract sounds from a factory image? topic

Hi, i want to know how to extract notification sound, ringotes, from a google factory image (ex. nexus 5,9 ecc..)

[Q] How to extract the content from recovery.img topic

Dear all,

If anyone of you knows How to extract the content from recovery.img please inform?
I want to build a recovery like CWM for Micromax A59.

Thanks