[mythtv-users] Lossless Transcode 0.25

Scott & Nicole Harris snharris99 at live.com
Tue Mar 20 01:05:34 UTC 2012


>>>> Is it just me, or is the lossless transcode in 0.25 RIDICULOUSLY fast?
>>>> I queued up 3 transcodes and by the time I finished editing another
>>>> cutlist for transcode (and I’m pretty quick at blowing through a
>>>> cutlist), all 3 were done.
>>> Of course it's ridiculously fast! It doesn't do much of anything.  Aside
>>> from re-encoding up to a few dozen frames for each cutpoint, all you've
>>> got is some very minor container reprocessing, and a file copy.  Out of
>>> an hour recording, you're looking at a few seconds worth of video that
>>> needs processing.
>> I don't recall it being that fast previously.  In fact, it's why I 
>> decided
>> to use the frontend in our gym as a SBE to offload transcode jobs to 
>> because
>> they took so long.  They took quite some time on the SBE too.

>There haven't been any changes that should make it significantly faster
>or slower.  My lossless transcodes have always been disk IO limited
>rather than CPU limited.  Offloading to a remote machine that would have
>to pull content off a network share, and push the result back to the
>same network share, would have been all that much slower.

I guess it's just me.  I'm afraid I'm going to have to take back my "well 
done" :). 



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