Dobra Noc recorder

Recorder for the Dobra Noc project.

Installation

Firstly, make sure you have Elixir installed and that the following native dependencies are available in your system:

• Portaudio 19.6.0
• FLAC 1.3.2

If not, install them with

apt-get update
apt-get -y install portaudio19-dev
apt-get -y install libflac-dev

Then fetch elixir dependencies

mix deps.get

Running

Once installed, project can be run by typing mix start. The following system variables are supported:

• DOBRANOC_IP - by default 127.0.0.1
• DOBRANOC_PORT - by default 8123

API

To save recording from given period, make a POST request to /save_rec, with a JSON containing the following fields:

• from - unix timestamp (integer), beginning of recording
• to - unix timestamp (integer), end of recording
• location - path where to save recording (string); ".flac" extension will be appended

Example:

curl -H "Content-Type: application/json" \
  -d '{"from":'$(($(date +%s) - 10))', "to":'$(($(date +%s) - 5))', "location":"out/out"}' \
  -X POST http://localhost:8123/save_rec