[gst-devel] level meter for alsa

Lutz Müller lutz at topfrose.de
Sun Jan 6 18:10:32 CET 2008


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


-------------- next part --------------
A non-text attachment was scrubbed...
Name: VolumeControl.gif
Type: image/gif
Size: 177435 bytes
Desc: not available
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20080106/94d8ddfc/attachment.gif>

More information about the gstreamer-devel mailing list