<div dir="ltr"><br><br><div class="gmail_quote">On Sun, Sep 28, 2008 at 9:46 PM, Darrin Smith <span dir="ltr"><<a href="mailto:signal7@aperature.org">signal7@aperature.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div dir="ltr"><br><br><div class="gmail_quote"><div><div></div><div class="Wj3C7c">On Sun, Sep 28, 2008 at 2:01 PM, Michael T. Dean <span dir="ltr"><<a href="mailto:mtdean@thirdcontact.com" target="_blank">mtdean@thirdcontact.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
<a href="http://www.mythtv.org/wiki/index.php/Troubleshooting:Prebuffering_pause" target="_blank">http://www.mythtv.org/wiki/index.php/Troubleshooting:Prebuffering_pause</a><br>
<br>
<a href="http://mythtv.org/docs/mythtv-HOWTO-3.html#ss3.1" target="_blank">http://mythtv.org/docs/mythtv-HOWTO-3.html#ss3.1</a><br>
<div><br></div></blockquote></div></div><div><br> If developers gave an error message that was less cryptic, I'm sure you would not be answering this question so often. Hmmm.... maybe that's the real bug!<br>
<br>;-) <br></div></div><br></div>
</blockquote></div><br>Ok - I read through the page you linked to and investigated every possible setting, driver, and act of god that might cause the problem to go away. No luck.<br><br>The cpu hovers at 44% load during playback with no deinterlace filters applied and XvMotionCompensation turned on. I've verified the configuration using some source code that was posted from the XvMC wiki page to determine that the configuration of X is correct. Playback is improved over what I started with, but I still get stuttering audio playback and the message in the log that started this thread.<br>
<br>And - before you jump on me about audio, I've been over that with a fine toothed comb as well. There is only one audio device in the system and it's not even that complicated. It's just a basic motherboard stereo output that works fine in any other program on the sytem (intel 8x0 chipset, according to lsmod). <br>
<br>Finally, I also checked for the scheduler issue that was reported a while back and I'm not using the group scheduler at all. Doing a renice on the front end process doesn't change the behavior at all, either.<br>
<br>VLC can play back the recorded segments without dropping audio at all, but the lack of de-interlacing the video combined with a rather poor downgrade in size to 1024x768 makes the resulting video look pretty poor. I can however copy the file to another system and it plays without issue.<br>
<br>I'm left with questions. How does one go about debugging this issue in a more definitive manner than just whacking aimlessly at the video settings like the wiki is suggesting? It would seem there is a real need for better debugging output or more informative messages to help the end user diagnose what's going on. Is there a way to get better, more informative output from the program?<br>
<br>What other suggestions might you have for me to try and diagnose the problem? Any ideas would be welcome.<br></div>