[root@belesh-bsd ~]# cat /dev/sndstat
FreeBSD Audio Driver
Installed devices:
pcm0: <Cirrus Logic (0x8409) (Right Analog)> on hdaa0 (1p:1v/1r:1v) default
snddev flags=0x30bc<SOFTPCMVOL,BUSY,MPSAFE,REGISTERED,VPC,PVCHANS,RVCHANS>
[dsp0.play.0]: spd 48000, fmt 0x00200010, flags 0x00002108, 0x00000004
interrupts 274926, underruns 0, feed 274926, ready 0
[b:2048/1024/2|bs:2048/1024/2]
channel flags=0x2108<TRIGGERED,BUSY,HAS_VCHAN>
{userland} -> feeder_mixer(0x00200010) -> {hardware}
dsp0.play.0[dsp0.virtual_play.0]: spd 44100/48000, fmt 0x00200010, flags 0x100011c8, 0x00000029, pid 6227 (pulseaudio)
interrupts 0, underruns 0, feed 290644, ready 15444
[b:0/0/0|bs:16384/4096/4]
channel flags=0x100011c8<TRIGGERED,NBIO,MMAP,BUSY,HAS_SIZE,VIRTUAL>
{userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) -> feeder_rate(0x00200010 q:1 44100 -> 48000) -> {dsp0.play.0}
[dsp0.record.0]: spd 48000, fmt 0x00200010, flags 0x00002108, 0x00000005
interrupts 0, overruns 0, feed 0, hfree 512, sfree 512
[b:512/256/2|bs:512/256/2]
channel flags=0x2108<TRIGGERED,BUSY,HAS_VCHAN>
{hardware} -> feeder_root(0x00200010) -> feeder_mixer(0x00200010) -> {userland}
dsp0.record.0[dsp0.virtual_record.0]: spd 44100/48000, fmt 0x00200010, flags 0x100011c8, 0x00000029, pid 6227 (pulseaudio)
interrupts 0, overruns 0, feed 0, hfree 0, sfree 16384
[b:0/0/0|bs:16384/4096/4]
channel flags=0x100011c8<TRIGGERED,NBIO,MMAP,BUSY,HAS_SIZE,VIRTUAL>
{dsp0.record.0} -> feeder_root(0x00200010) -> feeder_rate(0x00200010 q:1 48000 -> 44100) -> feeder_volume(0x00200010) -> {userland}
pcm1: <Cirrus Logic (0x8409) (Internal Analog Speaker)> on hdaa0 (1p:1v/0r:0v)
snddev flags=0x10bd<SIMPLEX,SOFTPCMVOL,BUSY,MPSAFE,REGISTERED,VPC,PVCHANS>
[dsp1.play.0]: spd 48000, fmt 0x00200010, flags 0x00002108, 0x00000004
interrupts 274926, underruns 0, feed 274926, ready 0
[b:2048/1024/2|bs:2048/1024/2]
channel flags=0x2108<TRIGGERED,BUSY,HAS_VCHAN>
{userland} -> feeder_mixer(0x00200010) -> {hardware}
dsp1.play.0[dsp1.virtual_play.0]: spd 44100/48000, fmt 0x00200010, flags 0x100011c8, 0x00000029, pid 6227 (pulseaudio)
interrupts 0, underruns 0, feed 290649, ready 15560
[b:0/0/0|bs:16384/4096/4]
channel flags=0x100011c8<TRIGGERED,NBIO,MMAP,BUSY,HAS_SIZE,VIRTUAL>
{userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) -> feeder_rate(0x00200010 q:1 44100 -> 48000) -> {dsp1.play.0}
No devices installed from userspace.