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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks for the info. I will have a read and give this a go.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Aaron<o:p></o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mythtvnz-bounces@lists.linuxnut.co.nz
[mailto:mythtvnz-bounces@lists.linuxnut.co.nz] <b>On Behalf Of </b>Dylan Hall<br>
<b>Sent:</b> Friday, 8 May 2009 12:02<br>
<b>To:</b> MythTV in NZ<br>
<b>Subject:</b> Re: [mythtvnz] VDPAU package can be removed?<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>On Fri, 2009-05-08 at 11:02 +1200, Aaron Drysdale wrote: <o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Because I get a small amount of
tearing and judder while watching TV in myth. I originally thought it might
have started when I turned on deinterlacing, but someone here said that this is
most often associated with a mismatch between the source video fps and monitor
refresh rate (at least that is what I took out of it.)<br>
<br>
<br>
<br>
Since we use 25 fps with PAL TV, then my understanding is that I would get a
smoother video if I could run the TV at 50Hz. Do you not have that problem? As
a test this morning, I turned off deinterlacing, but I still had the slight
tearing so I assumed it must be a refresh rate problem.<o:p></o:p></p>
<p class=MsoNormal><br>
I don't get any issues like that, but the vast majority of the content I watch
is .mkv and .avi files with US origins, so if anything, I probably benefit from
the 60Hz default. What little TV I do watch is SD captured from an
analogue source so tends to look fairly rubbish at the best of times.<br>
<br>
It might also be worth noting that I use Freevo which uses mplayer for all the
playback.<br>
<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br>
Currently I am just letting the OS select the preferred timing as well, and it
is running at 1360x768 @ 60.01 Hz.<br>
<br>
<br>
<br>
I notice the EDID info you posted doesn’t show any other timings? I thought
this TV would at least support 50Hz. Why is that not shown?<o:p></o:p></p>
<p class=MsoNormal><br>
I'm curious myself, it seems unlikely that those are the only two modes
supported. While reading about the CustomEDID stuff mentioned by Jean-Yves I
can across this post (<a
href="http://www.nvnews.net/vbulletin/showthread.php?t=126648)">http://www.nvnews.net/vbulletin/showthread.php?t=126648)</a>
that talks about using "gtf" to generate mode lines, e.g.<br>
<br>
> gtf 1360 768 50 <br>
<br>
# 1360x768 @ 50.00 Hz (GTF) hsync: 39.55 kHz; pclk: 69.61 MHz<br>
Modeline "1360x768_50.00" 69.61 1360 1416 1560
1760 768 769 772 791 -HSync +Vsync<br>
<br>
No idea if the above works, but might be worth a try. Read the rest of the post
at the link above, there are a bunch of other settings required to force the
use of the custom mode line.<br>
<br>
<br>
Dylan<br>
<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'> <br>
<br>
Thanks<br>
<br>
Aaron<br>
<br>
<o:p></o:p></p>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal style='margin-bottom:12.0pt'><b>From:</b>mythtvnz-bounces@lists.linuxnut.co.nz
[mailto:mythtvnz-bounces@lists.linuxnut.co.nz] <b>On Behalf Of </b>Dylan Hall<br>
<b>Sent:</b> Friday, 8 May 2009 10:25<br>
<b>To:</b> MythTV in NZ<br>
<b>Subject:</b> Re: [mythtvnz] VDPAU package can be removed?<br>
<br>
<o:p></o:p></p>
</blockquote>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal style='margin-bottom:12.0pt'> <br>
<br>
I have the same TV and I don't use any mode lines to drive it, I just let the
driver figure it out for itself. The only caveat is that the TV needs to be
switched on and connected if you reboot so that the video card can probe the TV
when X starts.<br>
<br>
I've extracted the edid data with "get-edid" and attached the
results.<br>
<br>
Running that through "parse-edid" it generates the following:<br>
<br>
parse-edid: parse-edid version 1.4.2<br>
parse-edid: EDID checksum passed.<br>
<br>
# EDID version 1 revision 3<br>
Section "Monitor"<br>
# Block type: 2:0 3:fc<br>
Identifier "SONY TV"<br>
VendorName "SNY"<br>
ModelName "SONY TV"<br>
# Block type: 2:0 3:fc<br>
# Block type: 2:0 3:fd<br>
HorizSync 14-68<br>
VertRefresh 48-62<br>
# Max dot clock (video bandwidth)
150 MHz<br>
# DPMS capabilities: Active
off:no Suspend:no Standby:no<br>
<br>
Mode
"1360x768" # vfreq 60.015Hz, hfreq
47.712kHz<br>
DotClock 85.500000<br>
HTimings 1360 1424 1536 1792<br>
VTimings 768 771 777 795<br>
Flags "+HSync" "+VSync"<br>
EndMode<br>
Mode
"1280x720" # vfreq 60.000Hz, hfreq
45.000kHz<br>
DotClock 74.250000<br>
HTimings 1280 1390 1430 1650<br>
VTimings 720 725 730 750<br>
Flags "-HSync" "-VSync"<br>
EndMode<br>
# Block type: 2:0 3:fc<br>
# Block type: 2:0 3:fd<br>
EndSection<br>
<br>
<br>
I assume the 1360x768@60 mode above is the one the driver figures out for
itself. It doesn't look like the panel is reporting a 50Hz mode.<br>
<br>
I'm curious, why do you need/want 50Hz? <br>
<br>
Dylan<br>
<br>
<br>
On Fri, 2009-05-08 at 09:37 +1200, Aaron Drysdale wrote: <o:p></o:p></p>
<pre><o:p> </o:p></pre><pre> <o:p></o:p></pre><pre>Thanks for that. So I've now disabled Dynamic Twin View in my xorg.conf<o:p></o:p></pre><pre>file, and sure enough in the Xrandr gui the 50 51 52 Hz has disappeared.<o:p></o:p></pre><pre>However all it reports now is 60Hz. So I assume this is where I need to<o:p></o:p></pre><pre>start coming up with custom modelines to get it to run at 50Hz.<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>Unfortunately, my TV is "HD ready" - so it doesn't support 1080p and<o:p></o:p></pre><pre>there I can't use your xorg.conf. I'm running it at the native panel<o:p></o:p></pre><pre>resolution of 1360x768 and want to get it running at 50Hz. By the way,<o:p></o:p></pre><pre>if anyone already has figured out the modelines for a Sony Bravia<o:p></o:p></pre><pre>40V300A then I would greatly appreciate hearing from you.<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>Does it sound like I'm on the right track?<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>Aaron<o:p></o:p></pre><pre>-----Original Message-----<o:p></o:p></pre><pre>From: <a
href="mailto:mythtvnz-bounces@lists.linuxnut.co.nz">mythtvnz-bounces@lists.linuxnut.co.nz</a><o:p></o:p></pre><pre>[<a
href="mailto:mythtvnz-bounces@lists.linuxnut.co.nz">mailto:mythtvnz-bounces@lists.linuxnut.co.nz</a>] On Behalf Of Jean-Yves<o:p></o:p></pre><pre>Avenard<o:p></o:p></pre><pre>Sent: Thursday, 7 May 2009 22:32<o:p></o:p></pre><pre>To: MythTV in NZ<o:p></o:p></pre><pre>Subject: Re: [mythtvnz] VDPAU package can be removed?<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>Hi<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>2009/5/7 Aaron Drysdale <<a
href="mailto:Aaron.Drysdale@provencocadmus.com">Aaron.Drysdale@provencocadmus.com</a>>:<o:p></o:p></pre><pre>> I turned off GPU Scaling in the nVidia xserver settings. This got rid<o:p></o:p></pre><pre>of the 50 51 52 Hz refresh rates, however now the only refresh rates<o:p></o:p></pre><pre>that show up are 60Hz. How can I figure out what the available refrsh<o:p></o:p></pre><pre>rates and timings are, so I can put the correct timings in xorg.conf?<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>No GPU scaling can't make 50,51 and 52 disappeared. It only prevent<o:p></o:p></pre><pre>the refresh being always 60Hz no matter what you choose.<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>For what timing to use if you want to set it manually, refer to my<o:p></o:p></pre><pre>previous post... There's a link to a xorg.conf that works perfectly<o:p></o:p></pre><pre>with Sony TV<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> You talk about the nvidia-settings program - is this a command line<o:p></o:p></pre><pre>util that returns the timings from the EDID? Is there some other way of<o:p></o:p></pre><pre>getting the timings from the EDID of my tv?<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>no<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>nvidia-settings let you play with the driver configuration. It comes<o:p></o:p></pre><pre>with the nvidia driver packages... And should be automatically<o:p></o:p></pre><pre>installed.<o:p></o:p></pre><pre>If not, the package name is nvidia-settings :)<o:p></o:p></pre><pre> <o:p></o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>mythtvnz mailing list<o:p></o:p></pre><pre><a
href="mailto:mythtvnz@lists.linuxnut.co.nz">mythtvnz@lists.linuxnut.co.nz</a><o:p></o:p></pre><pre><a
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