video-to-frames-kafka.sh

# install required packages
sudo apt install mplayer kafkacat

# create a separate dir for the frames
mkdir frames
cd frames

# download video to vid.avi
curl -o vid.avi "http://www.engr.colostate.edu/me/facil/dynamics/files/drop.avi"

# extract frames from avi to PNG files (single PNG per Frame)
mplayer -vo png:z=6 vid.avi

# send all frames to kafka topic
ls -1 | while read FNAME
do
  echo "Sending frame '$FNAME' to kafka queue..."
  cat "$FNAME" | kafkacat -b BROKER -t topicname ...
  
  # optionally sleep between frames
  # sleep 1
done