Re: mplayer, amd64, and CPU flags

[Damian Gerow <dgerow_(_at_)_afflictions_(_dot_)_org>]

Thus spake Kris Kennaway (kris_(_at_)_obsecurity_(_dot_)_org) [21/05/05 02:42]:
: > This is with automagic CPU detection compiled in, but when I take it out, I
: > still get the same thing.
: 
: Look at what the port does..it looks like it only enables runtime
: detection support on i386.  Talk to the maintainer.

The wording in the Makefile describing WITHOUT_RUNTIME_CPUDETECTION -- which
I traditionally define when building mplayer -- infers that by defining it,
all possible CPU flags are assumed set, and it is up to the builder to
"explicitly disable" them.  In other words, without using runtime detection,
it's still borked.

I'll take that up with the maintainer as well.  Though it looks like the
problem is well on its way to being solved.

FWIW, by manually enabling the various flags, I see DVD decryption jump up
at least five frames per second, from anywhere between seven and ten to at
least fifteen.  That's a 50% speed increase.
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