settings_features - PingguSoft/aTelloPilot GitHub Wiki
aTelloPilot Settings (From V0.7)

a. Video recording file format
- MP4 : general use (default)
- h.264 : raw video stream for debugging
b. Audio Recording (available from V 0.5 release)
- enable audio recording from device mic.
- only available with MP4 video format
- Enable/Disable "Text To Speech"
- Save POI list automatically when the Tello lands
- The list can be loaded in Mission Planner
- initial altitude before homing
- zero (0) for current altitude, others for climbing height
f. Video Processing (default : off)
- this switch is enabling/disabling video processing such as face tracking (turn it on for vision tracking)
- video processing requires much cpu power and specific feature Android supports
- if the device does not support required feature, this is turned off internally and face tracking is deactivated
- if your device is slow when it is on, turn it off
g. Face Detection library checking
- face detection is processed with Google vision library
- Google Play Services has probably not finished loading the required files.
- Usually, the download is taken care of at application install time, but this is not guaranteed.
- In some cases the download may be delayed.
- if the library checking fails
- disconnect from the drone and connect to the internet
- go to playstore and see there is an update about "Google Play Services", if so update it
- if the issue is still reproduced
- go to applications in the Android settings and find "Google Play Services"
- click storage and clear cache
- go to aTelloPilot and click the "check" button, it will initiate Google Play Services to download the library
- after several minute, click the button again to see if it is working well
- RC outputs can be tuned with 'Rate' and 'Expo' for all axis
- 'Rate' tunes the slope of the line or curve
- 'Expo' tunes the variation points of the curve
- max 'Rate' and min 'Expo' will make input:output ratio to 1:1
- no modification for output
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