[RDD] transmitter / silence / fallback
zotzbro at gmail.com
Wed Jan 28 14:44:01 EST 2015
On Wed, Jan 28, 2015 at 12:21 PM, Marc Steele <steelegbr at gmail.com> wrote:
> I've done similar with LiquidSoap in the past. See
> http://www.dlineradio.co.uk/articles/stls-and-raspberry-pis/ for details.
Fallback is working, main stream does not play:
2015/01/27 20:03:14 [decoder:3] Unable to decode stream of type "mp3"!
> Written originally for the Pi but should work on most Debian based
> systems. Adding some on silence actions might do the trick for you.
> Sent from my iPhone
> On 28 Jan 2015, at 16:05, drew Roberts <zotzbro at gmail.com> wrote:
> I think I have seen discussions around these topics in the past. I am
> hoping someone is up to date on these skills so that I don't have to spend
> further hours or days trying to get this to work smoothly.
> What I want to do:
> config a small box (I hope to use a Raspberry Pi but will scale up until I
> find one with the needed power to serve in this capacity) such that when it
> is plugged into a network and amp/speakers somewhere it will connect to an
> icecast stream automatically and play it out of the speakers.
> It will detect silence in the stream (including the stream going down) and
> switch to playing (a playlist of) locally stored files.
> It will detect when the stream audio comes back and cut out the local
> audio and go back to stream audio.
> All headless and automatic.
> I am trying to get this system going now on a laptop with a bit more power
> than the Pi.
> I am trying to use:
> silentjack (to detect the silence)
> jack_connect (to change the jack routing on setup and on command from
> audio players:
> mplayer (or its frontends)
> Does this sound like a reasonable set of components for this job? Has
> anyone done something similar? Are there any good docs in this space?
> Problems I think I need to solve:
> A way to "statically name" the main stream player so that I can refer to
> it in scripts.
> I may not have to statically name the backup player but it would probably
> be nice.
> So far, I am not seeing how to do that with mplayer or vlc, the names seem
> to be tied to the pid.
> Is there a better way to go about this?
> If it hasn't already been done, I will write this all up when I am done.
> all the best,
> Rivendell-dev mailing list
> Rivendell-dev at lists.rivendellaudio.org
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