Re: Massive sound changes / fix (24/32bit pcm support, new sampling rate converter, various fixes)

[Sascha Klauder <sklauder_(_at_)_trimind_(_dot_)_de>]

On Thu, Jul 07, 2005 at 06:46:03AM +0800, Ariff Abdullah wrote:
> After sometimes, I've decided to release this (massive 4k lines) diff
> to our sound driver. This need proper review and confirmation, before
> it can be committed.
> 
> Patches for both HEAD / RELENG_5 available at:
> 
> http://staff.mybsd.org.my/skywizard/FreeBSD/sound/

Just applied snd_RELENG_5_20050709_006.diff. 
System is 5.4-STABLE (from 2005-06-12), tested hardware:

$ cat /dev/sndstat 
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <Creative EMU10K1> at io 0xe000 irq 10 kld snd_emu10k1 (4p/2r/2v channels duplex default)
pcm1: <SB16 DSP 4.16> at io 0x220 irq 5 drq 1:5 bufsz 4096d kld snd_sb16 (1p/1r/1v channels duplex)

Something's not right here.  I had some minor issues with
crackling noise on PCM playback with pcm1 (it's an AWE64),
which seems to be gone now, but the playback is just a bit
too slow, which sounds pretty strange.  Playback on pcm0
(old SB Live!) is just fine, as it was before applying the
patch.

Recompiling mpg321 and settings vchans didn't help.  Where
to start looking?

Cheers,
-sascha
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