[mythtv-users] Preserving HDTV AC3 audio stream whilst transcoding

[Doug Larrick]

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Kyle Rose wrote:
| To me, the calculus is very simple.  With xine, a particular HDTV
| broadcast leaves the CPU 71% idle; with mythtv, that same broadcast
| leaves my CPU only 48% idle.  That 23% is disappearing into mythtv
| somewhere.  If this results from a configuration problem, I am forced
| to conclude from this evidence that it is in mythtv's configuration
| because some other piece of software can handle efficient playback on
| my machine just fine.

I see this magnitude of difference on a Pentium 4 system between
libavcodec being compiled with or without -march=pentium4.

- -Doug
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