I am programming a Rasberry to Pi to become a radio player. It is meant to be used to play the local college radio in the student union hangout.
INPUT:
OUTPUT:
PROCESS:
How can I do this?
You have to create a script in /etc/init.d, for instance "read_radio".
You have to set the proper rights on it chmod +x /etc/init.d/read_radio
You have to edit the file and create the script that will launch the radio, for instance:
#!/bin/sh
/usr/bin/mplayer -shuffle -playlist /path/to/radiocampus_local.m3u
Or whatever method you want to use to read your m3u file
mplayer -playlist, which I didn’t know and hence have written my own script to read playlists and play them with mplayer. Wasted time …
– erik
Mar 4 '14 at 21:04
There are multiple mechanism to have something start on boot-up. I don't know where the audio comes from that is specified in the .m3u file, but certainly if it is from a network, you should make sure everything the playback needs is operational.
A simple solution might be to put the command in /etc/rc.local as a background task.
The other thing you could look at is making an entry in /etc/init.d. And make a link in /etc/rc2.d (adduming 2 is the normal runlevel for a Raspberry Pi, check with runlevel), to that file. The name should be SXY... with XY a chosen number so that this is started (S) after all the dependent services are up and running.
What is less likely to work is making a @reboot entry in a crontab (assuming you have Vixie cron), not all prerequisites might be met by the time that runs.
