[mythtv] Frame Drops
Oatz
mythtv-dev@snowman.net
Mon, 11 Nov 2002 17:27:32 -0500
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Hello,
I've been using a relatively simple PVR setup for the last year =
using Nuppelvideo, transcode and a few bash scripts which handle the =
distributed encoding over a few servers using NFS. I have one serious =
question before I take the plunge to mythtv:
How is mythtv offering realtime PVR functions (pause/rewind) with fairly =
reasonable quality (512h-640h) without dropping a huge number of frames?
My Nuppelvideo to transcode setup, produces 2 gig files every 15 =
minutes (640x480) which take nearly an hour to encode to divx5 or mpeg2 =
on a 935mhz P3. How does mythtv offer the same functions in realtime? =
Even with a quad Xeon 2ghz box, you couldnt transcode from nuv to =
mpeg/divx5 at 640x480 @ 23fps in realtime. Either I've been wasting the =
last year with serious problems in my setup, or mythtv needs to make its =
capabilities clear in the FAQ.=20
Either way, mythtv looks like a great package and I'm looking =
forward to integrating it with my current PVR setup.
PS: I can't code. But I can write a mean bash script ;)
Cheers,
Oatz
=20
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<DIV><FONT face=3DArial size=3D2>Hello,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> I've been using a =
relatively=20
simple PVR setup for the last year using Nuppelvideo, transcode and a =
few bash=20
scripts which handle the distributed encoding over a few servers using =
NFS. I=20
have one serious question before I take the plunge to =
mythtv:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>How is mythtv offering realtime PVR =
functions=20
(pause/rewind) with fairly reasonable quality (512h-640h) without =
dropping a=20
huge number of frames?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> My Nuppelvideo to =
transcode=20
setup, produces 2 gig files every 15 minutes (640x480) which take nearly =
an hour=20
to encode to divx5 or mpeg2 on a 935mhz P3. How does mythtv offer =
the same=20
functions in realtime? Even with a quad Xeon 2ghz box, you couldnt =
transcode=20
from nuv to mpeg/divx5 at 640x480 @ 23fps in realtime. =
Either=20
I've been wasting the last year with serious problems in my =
setup, or=20
mythtv needs to make its capabilities clear in the =
FAQ. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> Either way, mythtv =
looks like a=20
great package and I'm looking forward to integrating it with my current =
PVR=20
setup.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PS: I can't code. But I can write =
a mean bash=20
script ;)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Cheers,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Oatz</FONT></DIV>
<DIV> </DIV></BODY></HTML>
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