[PD] Has anyone used PD to read internet radio streams?

Roman Haefeli reduzierer at yahoo.de
Thu Apr 9 02:14:31 CEST 2009

On Wed, 2009-04-08 at 07:41 +0200, danomatika wrote:
> Howdy,
> I'm wondering if anyone has used PD to read internet radio streams?
in german, one would say 'jein', for yes and no. i did work on a project
with pd controlling radio streams, but i haven't used pd to actually
receive the streams. i found mplayer to be very useful for that for
several reasons:
- it supports many streaming formats (virtually all), no change to get
that in pd directly
- it's highly configurable
- it's commandline based and provides several ways for interaction
- it connects to jack

so what i did, is using pd to control two mplayer instances (in order to
get gapless crossfades between streams), which are routing their audio
signals to pd over jack. the '-af pan'  filter of mplayer is your friend

the a bit outdated diagram shows, how mplayer and pd are interacting:
(with a recent mplayer, the jack.plumbing part isn't needed anymore. you
can route mplayer output to the correct pd input by simply using proper
commandline flags for mplayer. check '-af pan' and '-ao jack' in the man


> I need to make an "interactive tuner" ...
> ---
> Dan Wilcox
> danomatika.com
> robotcowboy.com
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