Grab snapshot (single frame) from RTSP ipcam and publish to S3

snapshot.sh

#!/bin/bash -e

# Move inside a tmpfs directory
cd /dev/shm

# Grab a snapshot of the RTSP source and save on current folder
# rtsp_transport tcp to avoid packet loss (truncated image)
# qscale:v to adjust jpeg quality (2 is best, 31 worst)
ffmpeg -loglevel panic -y -rtsp_transport tcp -i rtsp://192.168.199.91 -vframes 1 -qscale:v 4 snapshot.jpg

# Upload to S3 - (requires a .s3cfg in home directory)
s3cmd put -P snapshot.jpg s3://bucket

echo Done!