Strip whitespace chars off end of given string, in place. Return s. */

Returns true if the given card is supported by openhd (proper hardware & proper driver)

used by ohd_video

H264 needs sps and pps H265 needs sps,pps and vps

Check if the given ethernet device is in an "up" state by reading linux file(s)

* Creates a new not yet used filename (aka the file does not yet exists) to be * used for air recording. * @param suffix the suffix of the filename,

* For WILLY Cameras */

On the X20, we can detect the camera type, as it should be to create a nice experience for the user. In case anything fails, we assume X_CAM_TYPE_X20_

Needs to match below

Return all messages where the source sys id matches the given sys id

Returns all Wi-Fi channels 2.4G that are legal in at least one country

Returns all Wi-Fi channels 5G that are legal in any country

for example, the unique id

* Check if we can find gstreamer at run time, throw a runtime error if not. */

VPS NALUs are only possible in H265

Return true if the Video format is valid, aka the values set "make sense". values <0 mean something went wrong during parsing or similar. 0 means auto

For fetching the arming state in a manner where a deterministic arm / disarm pattern is not needed

Return pointer to first non-whitespace char in given string. */

mostly from https://github.com/mavlink/mavlink/blob/master/examples/linux/mavlink_udp.c