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alexa-doorman-streaming-client

Description

This client needs to be installed on the device that will capture images.

Dependencies

  1. Python 3.6
  2. OpenCV 3
  3. Flask

Authentication

Included, example.env, is a file you need fill out and rename to .env. You can skip the following steps if you fill that file out. Git will ignore this file once it's renamed.

Stream Auth (this server)

Notice these lines of code in app.py

USER_DATA = {
    os.environ['STREAM_ROOT_USERNAME']: os.environ['STREAM_ROOT_PASSWORD'],
    os.environ['STREAM_API_USERNAME']: os.environ['STREAM_API_PASSWORD']
}

This sets two users, one being root (you) and one for the API to use. Although this is basic, as long as your environment doesn't get compromised you should be fine.

Make sure to set STREAM_ROOT_USERNAME, STREAM_ROOT_PASSWORD, and STREAM_API_PASSWORD as two different passwords! Change them anytime to revoke access.

Objection Detection Auth

utils.py

DETECT_API_CREDENTIALS = {
    'user': os.environ['DETECT_API_USERNAME'],
    'pass': os.environ['DETECT_API_PASSWORD']
}

Usage

  1. IMPORTANT [debain based devices] Run sudo modprobe bcm2835-v4l2 to enable pi camera to work with opencv video capture

Docker Image Usage

  1. Docker Image - https://hub.docker.com/r/doorman/stream-client/

OpenCV

  1. sudo docker run --previleged -MAX_IO_RETRIES=5 -e -CAMERA=opencv -e DEBUG=True --volume "/home/pi/projects/stream-client:/src/app" -p 5000:5000 doorman/stream-client

ArduCam

  1. sudo docker run --previleged -e MAX_IO_RETRIES=5 -e CAMERA=arducam -e SERIAL_PORT=/dev/ttyACM0 -e DEBUG=True --volume "/home/pi/projects/stream-client:/src/app" -p 5000:5000 doorman/stream-client

Tested Platforms

  1. Windows
  2. Raspbian Stretch
  3. Intel Edison/jubilinux

Credits

Miguel Grinberg for the initial streaming section http://blog.miguelgrinberg.com/post/video-streaming-with-flask