thanks, John also had this to point out. I can now understand why the system
paused and the overheads involved.
thanks.
----- Original Message -----
From: "Howard Cokl" <[EMAIL PROTECTED]>
To: "Discussion about mythtv" <[email protected]>
Sent: Wednesday, July 20, 2005 5:55 AM
Subject: Re: [mythtv-users] MythShyte: One unhappy customer
--- antec <[EMAIL PROTECTED]> wrote:
I but in the geforce card becuase mt other card
didnt have the required
acceleration. The documentation on the mythtv
website went into detail about
this as a possible cause for prebuffer pause.
I didnt see it as a softwre problem as everything
was prebuilt. I just had
faith that the software worked. I assumed that the
computer I built out of
junk was just too slow (a dual p2,450).
Using a pixelview bt878 rip-off aka "bravo", 640 x
480 @ 25fps.
----- Original Message -----
From: "Jake" <[EMAIL PROTECTED]>
To: "Discussion about mythtv"
<[email protected]>
Sent: Wednesday, July 20, 2005 5:33 AM
Subject: Re: [mythtv-users] MythShyte: One unhappy
customer
wow, not sure whether this e-mail is flame-bait or
what. the question
i have for you is why you would try to fix what you
perceive to be a
software problem with hardware. you also left a few
crucial details
out of you e-mail, mainly what capture card are you
using, what
resolution are you capturing at and what bit rate.
personally, i have a combined frontend backend with
a few pvr-250's in
it that is a measley Athlon 800 with a tnt2 ultra
for the vid card and
it happily decodes mpeg2.
not sure why you "* bought and installed a geforce
card
* got xwindows working with nvidia
* upgraded machine to a P3-1Ghz. (not a celeron!)"
needed to do all that.
anyway, hope that is of some assistance though i'm
sure plenty of
people are staying away from this thread just
because of the title ;).
What is the CPU usage on the machine when you are
trying to watch live TV?
Are you using RTjpeg or MPEG4? RTjpeg is better for
low end systems.
From the Documentation:
Here are a few data points:
* A PIII/733MHz system can encode one video stream
using the MPEG-4 codec using 480x480 capture
resolution. This does not allow for live TV watching,
but does allow for encoding video and then watching it
later.
* A developer states that his AMD1800+ system can
almost encode two MPEG-4 video streams and watch one
program simultaneously.
* A PIII/800MHz system with 512MB RAM can encode
one video stream using the RTjpeg codec with 480x480
capture resolution and play it back simultaneously,
thereby allowing live TV watching.
* A dual Celeron/450MHz is able to view a 480x480
MPEG-4/3300kbps file created on a different system
with 30% CPU usage.
* A P4 2.4GHz machine can encode two 3300Kbps
480x480 MPEG-4 files and simultaneously serve content
to a remote frontend.
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