linuxaudio.org

On Feb 10, 2013, at 4:11 AM, Adrian Knoth  wrote:
> On Sun, Feb 10, 2013 at 12:39:17PM +0100, Florian Paul Schmidt wrote:

quoted text
>

>

>>> I'm looking for a simple tool where I can point it at an http audio

>>> stream, define a number of seconds to detect silence and exit with a

>>> non-zero status if silence is detected.  It seems like this should be

>>> easy but I've been search high and low for such a utility and nothing

>>> simple exists.  Unfortunately I'm not much of a developer, but this

>>> doesn't seem like it would be that difficult.  Maybe it's harder than

>>> I think, hence no tool that I can find.

>

>> Probably noone needed this precice functionality yet.

>

> The radio guys have this stuff to see if their streams are still alive.

>

> Ah, here it is:

>

>    http://www.aelius.com/njh/silentjack/

>

> Use any player (mplayer, cvlc, gstreamer) with jackd support to decode

> your stream or use the usual anything-to-jackd magic to make your

> consumer applications work with jackd.

>

>

> Something like this:

>

>   $ jackd -d dummy   (won't terminate and will not output anything)

>

>   $ gst-launch uridecodebin uri=http://some.stream/ ! \

>        audioconvert ! audioresample ! jackaudiosink connect=none

>

>   $ mplayer -ao jack,port=SilentJack http://some.stream/

> 

I saw this but I was missing all the jack info. I rebuilt mplayer with jack support. I started jackd per your example:
JACK tmpdir identified as [/dev/shm]

[JACK] cannot open server

Failed to initialize audio driver 'jack'

Could not open/initialize audio device -> no sound.
Perhaps I'm missing a step?
Thanks
>

quoted text
>> 1] A tool that can read from an http stream and write it into a pipe

>> (maybe mplayer/mencoder)

>

> mencoder is dead. mplayer, vlc, gstreamer and co are alive.

>

>

>

> Cheers

>

> --

> mail: adi@thur.de      http://adi.thur.de    PGP/GPG: key via keyserver

>

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