[gstreamer-bugs] [Bug 510654] New: add interface for volume level meters

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-base | Ver: HEAD CVS
           Summary: add interface for volume level meters
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: lutz at topfrose.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


I propose merging the applications gst-mixer (GNOME's mixer application) and
vu-meter (GNOME's volume level meter application) by integrating vu-meter into
gst-mixer (i.e. volume level shown in the background of the scales using
gst_range_set_fill_level).

The problem: gst-mixer uses GStreamer, but vu-meter uses esd. I need an
GStreamer interface for getting the current volume level on a given track. In
terms of ALSA, I need an interface that uses functions like snd_ctl_elem_read
and snd_ctl_elem_value_get_integer to read the current level on a specific alsa
device.


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