Curious happening with CAPlayThough
Curious happening with CAPlayThough
- Subject: Curious happening with CAPlayThough
- From: Neil Clayton <email@hidden>
- Date: Thu, 8 Jan 2009 13:19:27 +1300
- Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
I'm seeing some odd behavior that I'd like to clarify please.
I install Soundflower 2ch, and playthru from that to the built in line-
output. I setup the SF2ch device to be the default output.
I then go to system preferences Sound page, and repeatedly click on
the "Ping" sound (to hear it).
What I hear is that sometimes, it's broken up. As though the last
part of the sample is played again briefly.
Curiously, if I play iTunes to the SF2ch (and through CAPlaythrough,
to the default output) it's absolutely fine.
I'm pretty sure it's not the SF driver itself (but not 100%, I've not
verified the code at all), because it works find if I use GarageBand
for the same task (the playthru part). It also works fine with LineIn
(a similar util, free, from Rogue Amoeba).
So my question is; is this something to do with the way that the AU is
setup? Or to do with flags passed in during the AudioUnitRender? Or
something else entirely?
Neil Clayton
email@hidden
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