Audio phase inversion quirk?
Hans Petter Selasky
hselasky at c2i.net
Tue Jul 27 17:17:45 UTC 2010
On Tuesday 27 July 2010 19:04:05 Ariff Abdullah wrote:
> On Tue, 27 Jul 2010 18:04:23 +0200
> Hans Petter Selasky <hselasky at c2i.net> wrote:
> > Hi,
> > I've discovered using my qecholo tool that many USB audio devices
> > have switched the polarity of the audio signal. I guess not so many
> > people are checking this, but I'm one of them :-)
> > There is currently a quirk for switching left and right channels. Is
> > there a sound stack quirk in FreeBSD for correcting the phase? This
> > is just a matter of negating the samples before passing along to
> > the application.
> How about make the driver advertise the opposite sign or endian as
> supported formats?
Sounds OK. Then I would just add the opposite sign like OR'ing a flag into the
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