<div><div>I was using the Debian packages from <a href="http://debian-multimedia.org">debian-multimedia.org</a>. I also tried compiling mythtv from the Debian packages' source and then today I tried compiling mythtv from the SVN version. All three versions of the frontend have the same problem.
</div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div><div>I'm using XvMC with OpenGL Vsync and CPU usage is generally in the 60-90% range when viewing HD material (this is normal for me). There doesn't seem to be any CPU spike when I get the WriteAudio underruns. And I also have the Extra Audio buffering enables. No deinterlace either.
</div></div></div></blockquote><div><br>I also tried using OpenGL Vsync, but that doesn't seem to have any effect either. My CPU is usually 40-60%.<br><br>It does seem to vary depending on the channel. CBS and NBC seem to have much less frequent underruns than FOX (I only tested this for about 15 minutes though). But a recording from FOX that played fine with
0.19 produces the underruns with 0.20. <br></div></div>