[Bug 724234] volume: Latency maybe too high for quick fade out

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=724234
  GStreamer | gst-plugins-base | 1.2.2

Nicolas Dufresne <nicolas.dufresne> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEEDINFO
                 CC|                            |nicolas.dufresne at collabora.
                   |                            |co.uk
          Component|gstreamer (core)            |gst-plugins-base
            Summary|Impossible to implement     |volume: Latency maybe too
                   |soft play / pause           |high for quick fade out

--- Comment #1 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-02-12 13:37:49 UTC ---
(In reply to comment #0) 
> Both these method works in general, but the problem is that the audio playback
> reacts too late to the action. In both cases it seems like the volume actually
> only starts changing after about 200ms after i start the fadein/out.

This delay will vary depending on the latency you have configured on the sink
element, combine with the latency on the volume element itself. The size of
audio buffers will also have an impact.

Note that bugzilla is no support forum, I'm marking this as needinfo for now
since I think it should be possible to reduce this, though if you get me wrong
we'd have to study this a bit. Please provide correct measurements, maybe base
on trace points when offering analyses.

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