Brad Templeton wrote:
On Tue, Mar 01, 2005 at 03:40:49PM -0500, Angel Li wrote:
Brad Templeton wrote:
On Tue, Mar 01, 2005 at 11:37:51AM -0600, Bryce wrot
Actually, while the current myth transcoding tools are not designed for
dealing with the multiple resolutions that come from HD, I have found
you can transcode 1080i to either 1280x720px30fps or if you like
1280x540 and get a very good, high-def recording in under 2gb per hour.
I was wondering how long your script takes to generate the 1280x720 file
for a typical 1 hour HD recording. Also, what type/speed CPU are you using?
Oh, it ain't fast at all, especially 2 pass. Probably about 3 hours.
It varies. An athlon 3000. You can speed it up a lot by taking out
some of the quality options. I haven't done a full raft of experiments
to see what you really need. Note mythtranscode is just one pass.
Definitely something you want to do in late-night background jobs.
I'm looking for something less than 3 hours. Soon after I moved my myth
computer into a cabinet I cranked up a mencoder job to reduce the size
of an HD recording. Woke up the following morning and found the computer
off so I turned it back on and looked at the system log. Turns out the
CPU temp rose to 75C and Linux did an orderly shutdown. I have some air
flow issues to deal with and I'm mildy surprised a subsystem of Linux
was smart enough to halt the computer.
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