[gstreamer-bugs] [Bug 555248] New: PCM doesn't support muting but this information is missing in GstMixerTrack

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-base | Ver: 0.10.20
           Summary: PCM doesn't support muting but this information is
                    missing in GstMixerTrack
           Product: GStreamer
           Version: 0.10.20
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: jannis at xfce.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


I'm having a problem with the GstMixerTrack for PCM (ALSA). PCM doesn't support
muting at all, but there's no way to detect this. Perhaps this information
should be added to GstMixerTrackFlags.

There's a related bug filed for xfce4-mixer on
http://bugzilla.xfce.org/show_bug.cgi?id=4351. There's also a video
demonstrating the problem with xfce4-mixer available on
http://mykey57.free.fr/pub/tmp/mixer.ogv. (The mixer always assumes that a
GstMixerTrack supports muting.)


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