app to shoot pictures with a Canon EOS

Install

Before start, make sure you have installed zeromq and gphoto.

You'll need node v0.10.46. To make sure you have the correct version, use nvm (installation instructions here). Once you have it installed, type nvm install 0.10.37, then nvm use 0.10.37 and finally nvm use alias default to make this version the default one.

!Warning! Running on Mac OS 10.9+ you might need to link to your local folder. This is related to the related issue lwille/node-gphoto2#57

sudo ln -s /usr/local /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/local

$ sudo apt-get install avahi-daemon libnss-mdns libavahi-compat-libdnssd-dev libgphoto2-2-dev curl
npm i
cp -n config/config.example.json config/config.json

Then fill it with your informations, and when it's done:

npm start

If you have no camera you can just run it using :

node app.js -f

open http://localhost:1337

Stream

To see a preview stream, run mjpg_streamer, as mentioned here

You can also run a magic commandline to see the stream as a webcam in your browser. If you use chrome or electron, please follow the instructions in next section.

Install v4l2loopback

git clone https://github.com/umlaeute/v4l2loopback.git
cd v4l2loopback
sudo make
sudo make install

And run

sudo modprobe v4l2loopback
mjpg_streamer -i "/usr/local/lib/input_file.so -r -f /tmp/stream" -o     "/usr/local/lib/output_http.so -w /usr/local/www -p 8080"
gst-launch-0.10 -v souphttpsrc location='http://localhost:8080/?action=stream' is-live=true ! multipartdemux ! decodebin2 ! v4l2sink device=/dev/video1

chrome or electron

There is an isssue in chrome that filters video incorrectly, which makes our dummy video not seen. To fix this, here is an hack in v4l2loopback:

git clone https://github.com/bluetiger9/v4l2loopback
cd v4l2loopback
sudo make
sudo make install

And run

sudo modprobe v4l2loopback exclusive_caps=1
mjpg_streamer -i "/usr/local/lib/input_file.so -r -f /tmp/stream" -o     "/usr/local/lib/output_http.so -w /usr/local/www -p 8080"
gst-launch-0.10 -v souphttpsrc location='http://localhost:8080/?action=stream' is-live=true ! multipartdemux ! decodebin2 ! v4l2sink device=/dev/video1

Debug

If something wrong with your camera, try some basic commands with the gphoto2 utility:

gphoto2 --auto-detect --list-config gphoto2 --auto-detect --capture-image-and-download