Replays GPS points from a GPX track file.
Expects config.gpx_data to be a list of remaining %Gpx.GpsPoint{}
structs. Each call pops the next point and updates state.gps.
When the track is exhausted, sets halted: true on the pipeline.
Replays GPS points from a GPX track file.
Expects config.gpx_data to be a list of remaining %Gpx.GpsPoint{}
structs. Each call pops the next point and updates state.gps.
When the track is exhausted, sets halted: true on the pipeline.