[Bug 773681] directsoundsink: High cpu usage on windows x86

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=773681

--- Comment #12 from Dustin Spicuzza <dustin at virtualroadside.com> ---
Ok, I got the build stuff working, I changed the log message to be outside of
the sleep time check, and I get LOTS of these:

0:00:01.451663549  3220    21e9b20 DEBUG        directsoundsink
gstdirectsoundsink.c:647:gst_directsound_sink_write:<directsoundsink0>
gst_directsound_sink_write: length:1764, FreeBufSiz: 1764, sleepTime: 0, bps:
4, rate: 44100
0:00:01.451835359  3220    21e9b20 DEBUG        directsoundsink
gstdirectsoundsink.c:647:gst_directsound_sink_write:<directsoundsink0>
gst_directsound_sink_write: length:1764, FreeBufSiz: 1764, sleepTime: 0, bps:
4, rate: 44100

I can definitely confirm that the CPU goes to 100%, and that the sink isn't
usable in that state (my VM is very unhappy when I played the audio file).

As a sidenote, when it's eating all the CPU, then the audio becomes really
difficult to get it to stutter (which was the issue reported in 781998).

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