[gstreamer-bugs] [Bug 440127] New: Autoaudiosink does extra switching between null and ready with sink

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Mon May 21 02:07:07 PDT 2007


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  GStreamer | gst-plugins-good | Ver: HEAD CVS
           Summary: Autoaudiosink does extra switching between null and
                    ready with sink
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: ext-tommi.myohanen at nokia.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


gst_auto_audio_sink_find_best() currently finds an actual sink and leaves it to
READY state. However soon the state is switched temporarily back to NULL when
syncing state with autoaudiosink container in gst_auto_audio_sink_detect():

  /* find element */
  GST_DEBUG_OBJECT (sink, "Creating new kid");
  if (!(esink = gst_auto_audio_sink_find_best (sink))) {
    return FALSE;
  }

  sink->kid = esink;
  gst_element_set_state (sink->kid, GST_STATE (sink));
  gst_bin_add (GST_BIN (sink), esink);


Is it necessary to set the state of actual sink according to container state
before adding it? The state of autoaudiosink is always NULL here since we're
doing null_to_ready state change. It would be good to avoid extra switches
between null and ready states if the opening of audio device is slow.


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