Radio Calafou

Radio Calafou ?

A FM and stream radio based in Calafou that broadcast very locally on 108 Mhz and on http://radio.calafou:8000/airtime_128.m3u

Global set-up

The PiBox read the stream that comes from Airtime and play it to the transmitter

• To Airtime : http://radio.calafou user : calafou pwd : calafou
• To Icecast : http://radio.calafou:8000 user : source pwd : hackme
• To the PiBox : http://172.31.23.158 user : pibox pwd : pnodeaccesspass - ssh pi@172.31.23.158 pwd : pipinode

What can we do with it ?

Airtime

Threw Media Builder

• Possible to add any type of audio file, the library already include all the files that are stored in ftp://omnius.calafou/MEDIATECA/0_audio/music/ and create a playlist
• Possible to create a smart playlist that randomly include files from the library in function of criterias (genre, album name, langage, BPM, last played, year, ...)
• Possible to create a webstream program from any type of stream (.mp3, .ogg, .opus, ...)

Threw Calendar

• Possible to create a show that can be repeated in different manner and can be filled with playlist, smart playlist or webstream
• Possible to set up a live show where someone can broadcast from her home sending a stream to a specific mountpoint

Threw Master Source

• Possible to take the control of the direct broadcast with a specific mountpoint

Icecast

• Possible to stream audio and video in .ogg, .ogv, .mp3 and .opus with software like VLC, DARKICE, MIXXX, BUTT or any other software listed here : http://www.icecast.org/apps/

PiBox

• Possible to play sounds located in the Pi, to play a stream, to play the live input of the sound card
• Possible to listen to a sonification on the output of the integrated soundcard
• Possible to shout in the radio threw a microphone plugged into the input of the external soundcar

File:IMG 20160828 153214.redim.JPG

Hardware installation

File:IMG 20160828 153732.redim.JPG

Software installation

AirTime

Airtime is a simple, open source platform that lets you broadcast streaming radio on the web. https://www.sourcefabric.org/en/airtime/

It is installed on omnious : http://radio.calafou

To install it, install dependencies :

sudo apt-get install postgresql-9.4 python-virtualenv apache2 coreutils curl ecasound flac gzip libapache2-mod-php5 libcamomile-ocaml-data liquidsoap locales lsof monit mp3gain multitail patch php5-cli php5-curl php5-gd php5-json php5-pgsql php5-fpm php-apc php-pear pwgen python rabbitmq-server silan sudo sysv-rc tar unzip vorbisgain vorbis-tools zendframework icecast2

/!\ for debian jessie, you must install postgresql-9.4 and not postgresql without -9.4 else the calendar does'nt show up /!\

Clone the repository and launch the installer :

git clone https://github.com/sourcefabric/Airtime
cd Airtime
sudo ./install

Follow the configuration process, at the end, you'll see the IP adress of the pibox on wich you can connect with a browser to finish the configuration threw the proposed interface

• Réf : http://sourcefabric.booktype.pro/airtime-25-for-broadcasters/manual-installation/

PiBox

See documentation here : http://p-node.org/doc/index.php/V-2

For the moment (see troubleshouting), 2 script are launched by /etc/rc.local :

/home/pi/omnioussonification.sh 2> /home/pi/streamlog.txt >/dev/null &
/home/pi/airtimeplayer.sh 2> /home/pi/streamlog.txt >/dev/null &

omnioussonification.sh :

#!/bin/bash
while true;do
 AUDIODEV=hw:0,0 play -t ogg http://radio.calafou:8000/omniussonification.ogg.m3u
done

airtimeplayer.sh

#!/bin/bash
while true;do
 AUDIODEV=hw:1,0 play -t ogg http://radio.calafou:8000/airtime_128.m3u
done

Troubleshouting

Airtime

The main stream doesn't output sound

It happens sometimes, to repair it, you can send a master source with a streaming software and then disconnect it, the sound reappear ! ...

• To send a master source, the parameters are here : http://p-node.org/doc/index.php/V-2
  • Master username : mistress
  • Master password : mistress
  • Port : 8003
  • Mountpoint : dictat.ogg
  • Master Source Connection URL : http://radio.calafou:8003/dictat.ogg

Airtime doesn't seems to play sound, show the media builder or eat new sounds

The 3 magic command to restart everything (you have to be logged in omnious :

sudo service airtime-media-monitor restart
sudo service airtime-liquidsoap restart
sudo service airtime-playout restart

also, see the logs in /var/log/airtime/