On Sun, 4 Apr 2004, Matti Haveri wrote:
> I just upgraded from an old 8600/XLR8 G4 450 desktop to a 15"
> PowerBook G4 1.25GHz with a SuperDrive and my MPEG2 encoding is now
Ah, nice! I have a Powerbook also but it is from a year ago and
thus a 1.0GHz G4 instead of the later 1.25 or 1.33GHz cpus - the 17"
LCD is nice but makes transporting the unit awkward.
> about 3x faster (about 5 minutes per 1 minute). How fast does the G5
> encode 720x480/576 DVD with low, standard or high quality settings?
I haven't done very much standard encoding yet with the new system - the
one run I made was between 13 and 14 frames/sec.
What I've been experimenting with for the past few days has been
capturing HD broadcasts (the HDTV tuner has a IEEE1394 port so I use
the Powerbook as a 'virtual VHS recorder'). Since 1920x1080 can't
go on a DVD I downscale with y4mscaler and create widescreen DVDs.
The result is a very very good looking DVD - a 2GHz G5 between 5 and
6 frames/sec doing the downscaling with "-S option=sinc:4" (with
sinc=8 the rate goes down to about 3.6 frames/sec).
> > Why are you surprised? If you do not specify "--prefix=..." to
> > ./configure the default if $prefix gets set to /usr/local
>
> I was surprised that after all my unsuccessful attempts it now worked ;)
Oh, ok - I thought you were surprised that the executables ended up
in /usr/local/bin rather than /sw/bin ;)
Congratulations on building mjpegtools from the command line!
Cheers,
Steven Schultz
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