Justin T Wetherell wrote:
> I know that DXR3 cards are natively built to play mpeg1/2, I was
> wondering if I should record with mpeg1video "vcd" codec or use the
> mpeg4 "divx" codec when recording.
This mostly depends on how much disk you have, whether you
simply watch once then delete, and how much grunt you have
available.
Personally, I capture MPEG-2 (I don't have to encode it as
I'm using DVB-T), and only transcode that to MPEG-4 if I
plan to keep the recording.
The equivalent if you're capturing analogue TV would be to
do your initial capture as high-bitrate MPEG-1 or MPEG-2,
and to then transcode anything you decide to keep later on.
Not sure how the results would look though.
> Does the DXR3 do more work playing
> back a vcd than a divx?
Either way the DXR3 itself does the same amount of work, because
when you play MPEG-4 (or any other codec that the DXR3 doesn't
know how to handle) MPlayer decodes that and then re-encodes
in MPEG-1 before passing it on to the card.
So while the DXR3 does the same amount of work, your CPU has to
do somewhat more to play MPEG-4.
Matt
--
"They've won the client but no one likes using their servers.
Because they're shit." -- Jeremy Allison on Microsoft in El Reg
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