<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Oct 30, 2012 at 9:57 AM, Andre <span dir="ltr"><<a href="mailto:mythtv-list@dinkum.org.uk" target="_blank">mythtv-list@dinkum.org.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div>Yes, I have both a GT220 and an overclocked GT430 and although generally the 430 gives slightly improved image quality it does add a little stutter here and there, I understand that the non overclocked ones are a lot worse. The GT220 is smooth for 1080i50 & 1080i60 with Advanced 2x all of the time.<br>
<br>
I found that both cards had some stutter if the audio buffers were not increased.<br>
>From my rc.local<br>
echo 3072 > /proc/asound/card0/pcm7p/sub0/prealloc<br>
<br>
This came from some postings by JYA and looking through the frontend logs, other cards may have a slightly different path but it appears in the logs if this is a problem.<br></div></blockquote><div><br></div><div><br></div><div>Would you guys share what "timing method" is being chosen by mythfrontend to playback videos? I have a GT 430 and I've only ever been able to get it to use the USleep or RTC methods. I am wondering if the GT 220 or one of these fancy new cards like the <a href="http://www.newegg.com/Product/Product.aspx?Item=N82E16814500353">GT 730</a>, <a href="http://www.newegg.com/Product/Product.aspx?Item=N82E16814500352">GT 720</a>, or <a href="http://www.newegg.com/Product/Product.aspx?Item=N82E16814500346">GT 630</a> would work in DRM mode. </div><div><br></div><div>Here are examples of my logs showing the two methods:</div><div><br></div><div>2014-10-26 19:08:35.135915 E VSYNC: DRMVideoSync: VBlank ioctl did not work, unimplemented in this driver?<br>2014-10-26 19:08:35.135954 E VSYNC: RTCVideoSync: Could not set RTC frequency:<br> eno: Permission denied (13)<br>2014-10-26 19:08:35.136377 I Player(0): Video timing method: USleep with busy wait<br>2014-10-26 19:08:35.136392 I Player(0): Display Refresh Rate: 59.999 Video Frame Rate: 25.000<br>2014-10-26 19:08:35.136401 I Player(0): SetFrameInterval ps:1 scan:1</div><div><br></div><div>or</div><div><br></div><div>2014-10-28 07:05:16.991023 I VDPAU: Created 2 output surfaces.<br>2014-10-28 07:05:16.991062 I VDPAU: Created VDPAU render device 1920x1080<br>2014-10-28 07:05:17.007008 N Player(0): Forcing decode extra audio option on (Video method requires it).<br>2014-10-28 07:05:17.096562 I Player(0): Video timing method: RTC</div><div><br></div><div>Anyway, I'm thinking about upgrading my 430 to one of these newer cards to see if it'll play some of my video library better but I can't really try it before I buy it.<br></div></div></div></div>