This script extracts GPS data (in GPX format) from ContourGPS camera videos.

extract_contour_gps.sh

#!/usr/bin/env sh

# This script extracts GPS data (in GPX format) from ContourGPS camera videos.
# You need to have ffmpeg, gpsbabel and gnu parallel to run this script.
#
# Please note that *.gpx files in given directory may be overwriten!
#
# Usage: extract_contour_gps.sh <directory_with_movies>
#


if [ -z "$1" ]
  then
    echo "No argument supplied"
    echo "Usage: extract_contour_gps.sh <directory_with_movies>"
    exit 1
fi

find $1 -type f -iname '*.MOV' | parallel -j 1 -k 'ffmpeg -loglevel panic -i {} -y -an -vn -bsf:s mov2textsub -scodec copy -f rawvideo - | gpsbabel -i nmea -f - -o gpx -F {.}.gpx && echo "GPS data from \"{}\" saved to \"{.}.gpx\""'