=> Start and Stop recording : I implemented the command to start the recording and stop it when tracking start and stop.
=> For the zoom, the IR control was already working, the computation was not.
I will use speed / distance like the rotation to zoom or not. I added a switch to have 2 presets of "max_zoom" as in RC model video you don't want to zoom to much.
The only problem I have is the time used for the IR command as is take 3 x 30ms and increase my loop time decreasing the rotation response time.
I need to go to the field and fly my quad again, the goal is to find 2 presets that will be change according the speed of the airplane.