go-drone-cam-gps

Write GPS data from ardupilot logs to Images / Videos for WebODM

Requirements

• mavlogdump.py
• exiftool
• ffmpeg

Usage

• mavlogdump.py --format json ardupilot-dataflash-log.bin > log.json
• Get the Timestamp off the takeoff event in your Videos
• Trim the beginning and combine all video files: ffmpeg -ss 00:02:48 -f concat -safe 0 -i <(for f in ./*.MP4; do echo "file '$PWD/$f'"; done) -c copy combined.mp4

Seperate Images

• Export a frame every 4 seconds: ffmpeg -i combined.mp4 -r 0.25 images/output_%04d.png
• Write the GPS data to EXIF: ./go-drone-cam-gps -l=log.json -i=images
• Upload the Images to WebODM

SRT File (TODO)

• Write the GPS data to EXIF: ./go-drone-cam-gps -l=log.json -s=combined.srt
• Upload the Video and SRT file to Webodm (they need to have the same name)