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After closer observation (still limited) for decoding two streams with
two Myth FEs ..<br>
<br>
Think that one stream is being decoded by vpdau & the other by main
CPU (65% load).<br>
So does not work..<br>
Might try two completely different applications in case there is an
inter-dependancy between two Myth FE.<br>
<br>
<br>
<br>
On 16/03/2010 8:43 p.m., Brett Miller wrote:
<blockquote cite="mid:4B9F36BF.60502@slingshot.co.nz" type="cite">
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The 9400GT (twin head card) seems to manage decoding two streams of TV3
HD material using two instances of myth FE.<br>
One display is driven 1080i, the other is GPU scaled down 1440x900.<br>
Myth0.22-JYA & nVidia 195 driver.<br>
<br>
There doesn't seem much of a deterimental effect, I'll let it run for
some hours..<br>
The latest code (last couple weeks) does seem have better playback
(smoother playback, no pregnant pauses).<br>
<br>
B<br>
<br>
On 16/03/2010 11:37 a.m., Ross and Jemima Knudsen wrote:
<blockquote
cite="mid:7e86c88d1003151537q1c23866fg119410dcb5bc707a@mail.gmail.com"
type="cite">
<pre wrap="">On 16 March 2010 10:30, Brett Miller <a
moz-do-not-send="true" class="moz-txt-link-rfc2396E"
href="mailto:blmiller@slingshot.co.nz"><blmiller@slingshot.co.nz></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">As of nVidia driver 190.53
"VDPAU now allows multiple streams to be decoded at once, without the need
to set any environment variables. vpdau has been able to decode multiple
streams." <a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.nvnews.net/vbulletin/showthread.php?p=2141387">http://www.nvnews.net/vbulletin/showthread.php?p=2141387</a>
</pre>
</blockquote>
<pre wrap="">Now that looks promising!
</pre>
<blockquote type="cite">
<pre wrap="">On 16/03/2010 8:00 a.m., Nick Rout wrote:
This question has been asked here before and I think I gave much the
same answer then:
Search the mythtvusers mailing list. I have seen someone describe a
similar successful setup. If you want acceleration on each monitor,
you will probably need a graphics card for each monitor.
</pre>
</blockquote>
<pre wrap="">Thanks Nick, I'll try looking through the archives and let you know
how I get on.
Steve, thanks for your thoughts on the frontend settings, I hadn't
thought that far through but you're right they would have the same
hostname. As for the audio, I'm sure there must be a way to get it to
work with only one sound card. If my sound card does 7.1 (ie 8
channels) surely I can get 2 x 2.1 streams. I haven't found anything
on the net so far on this most things seem to want to combine multiple
sound cards into a single virtual card rather than split one into
multiple.
As for controlling the system, there seem to be ways to use separate
mouse and keyboards on multiseat systems. Ideally it would be great
to have the keyboard and mouse use one of the seats by default and use
a keyboard shortcut to toggle between them (ie run a script to switch
seats).
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