CD in is nothing more than an analog input. PA ignores all the analog
inputs other than as a digital PCM source. Treating all the analog
inputs as digital sources and not allowing the hardware to mix them to
output has various drawbacks. I've just been covering some of them.
I'm out and about and using my phone to send this, so no long drawn
out discussions are possible.
On Aug 1, 2009, at 4:32 AM, Adam Williamson <awilliam@xxxxxxxxxx> wrote:
On Sat, 2009-08-01 at 01:01 -0500, Doug Ledford wrote:
On Sat, Aug 01, 2009 at 06:40:12AM +0100, Matthew Garrett wrote:
On Sat, Aug 01, 2009 at 12:29:36AM -0500, Doug Ledford wrote:
That reading in the data digitally uses non trivial amounts of
PCI and
CPU bandwidth. If I can't hear the difference between the two
modes,
then that CPU usage is a total waste of resources. I have other
things
I want my CPU to be doing.
If 150K/sec is non-trivial PCI bandwidth, I think you should
probably
ask for a refund on your motherboard. From a power management
point of
view I'd like to agree that offloading this from the CPU is a good
thing, but Lennart's right - most newly built machines don't hook
these
up, and adding a control that influences CD volume on a small
number of
machines and does nothing whatsoever on a larger number isn't a
sensible
UI optimisation.
It's also things like erratic output via PA versus smooth output via
analog input.
What the hell? How is 'PA versus analog input' a remotely sensible
opposition? How are those things even related?
--
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org
http://www.happyassassin.net
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