[gst-devel] level meter for alsa

[Stefan Kost]

hi,

Lutz Müller schrieb:
> Hello!
> 
> I'd like to implement level meters within gnome-volume-control (mock-up
> attached). But in order to be able to implement that, the current audio
> levels on alsa devices need to be advertised by GStreamer.
> 
> alsa-tools uses snd_ctl_elem_read and snd_ctl_elem_value_get_integer to
> read the current level on a specific alsa device. I couldn't find a
> reference to these functions in gst-plugins-base/ext/alsa. 
> 
> Can you point me to the right GStreamer element/interface that can be
> used by frontends to monitor the audio level on alsa devices (if it
> exists)?

IMHO it would require extending the GstMixer. I would like to see this feature,
as it helps to see on which channel something is happening.

Stefan

> 
> Regards
> 
> Lutz
> 
> 
> ------------------------------------------------------------------------
> 
> 
> ------------------------------------------------------------------------
> 
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel