[Mplayer-users] DVR box - how much CPU

[Mr D S Hunnisett]

water cooling is very quiet

>From: Stephen Davies <steve at daviesfam.org>
>To: mplayer-users at lists.sourceforge.net
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>Subject: [Mplayer-users] DVR box - how much CPU
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>Date: Mon, 30 Apr 2001 13:36:02 +0100 (BST)
>
>Hi,
>
>I'm starting to build my digital video recorder / dvd playback box.
>
>Its been a while since I built my current PC and there's a lot of new
>stuff out there.
>
>I'm hoping to be able to capture and play video at the same time.  I
>expect to need a Kfir card for hardware mpeg encoding for capture (though
>I'd be pleasantly suprised if its not needed), but I haven't decided
>whether to use a hardware mpeg decoder.
>
>If I can do without a mpeg playback card, I'll use an XVideo supporting
>video card, with rgb output to my TV.  A composite video output would be a
>bonus.  Matrox card looks like a good choice with special support in
>mplayer.
>
>But with all this I don't want a box which needs heaps of whirring fans to
>keep it running.  Looks like could easily end up with PSU and case fan,
>chipset, processor and graphics chip fans... !  Be a shame if the movie
>was drowned out by the noise of the box playing it.
>
>Does anyone have any experience, suggestions or insight?
>
>How much cpu power will I need to do DVD playback at say 30-40% CPU
>usage with the current mplayer?
>
>How important is cpu power relative to bus speeds, memory speeds?
>
>Should I consider a dual processor system?
>
>Can I underclock and lower cpu voltages to reduce heat and eliminate fans?
>
>Sources of quiet fans?
>
>Which chipset/processor puts out least heat for the performance?
>
>Should I rather drop back the CPU power drastically and include a
>hardware mpeg2 decoder?  (But then, what about non-mpeg2 video output?)
>
>All these questions - you can tell I'm rather overwhelmed.  I this stuff
>discussed somewhere already?
>
>Thanks,
>Steve
>
>
>
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