ports/82777: sox does not play files correctly

[George Kouryachy]

> Synopsis: sox does not play files correctly
BTW, bug effect does not appear on some hardware :(
Maybe driver problems/features?

This is "buggy" environment:
george at arnor:~> sysctl -a | egrep "snd|pcm"
pcm0: <VIA VT8237> port 0xdc00-0xdcff irq 22 at device 17.5 on pci0
pcm0: <ICEnsemble VT1616 AC97 Codec>
hw.snd.targetirqrate: 32
hw.snd.report_soft_formats: 1
hw.snd.verbose: 1
hw.snd.unit: 0
hw.snd.maxautovchans: 0
hw.snd.pcm0.buffersize: 4096
hw.snd.pcm0.vchans: 0
hw.snd.pcm0.spdif_enabled: 0
dev.pcm.0.%desc: VIA VT8237
dev.pcm.0.%driver: pcm
dev.pcm.0.%location: slot=17 function=5 handle=\_SB_.PCI0.AC97
dev.pcm.0.%pnpinfo: vendor=0x1106 device=0x3059 subvendor=0x147b
subdevice=0x1408 class=0x040100
dev.pcm.0.%parent: pci0

This is the environment which seems NOT to have the buggy effect:
george at grep:~> sysctl -a | egrep "snd|pcm"
pcm0: <Creative CT5880-C> port 0xd000-0xd03f irq 5 at device 15.0 on pci0
pcm0: <SigmaTel STAC9721/23 AC97 Codec>
hw.snd.targetirqrate: 32
hw.snd.report_soft_formats: 1
hw.snd.verbose: 1
hw.snd.unit: 0
hw.snd.maxautovchans: 0
hw.snd.pcm0.buffersize: 4096
hw.snd.pcm0.vchans: 0
dev.pcm.0.%desc: Creative CT5880-C
dev.pcm.0.%driver: pcm
dev.pcm.0.%location: slot=15 function=0
dev.pcm.0.%pnpinfo: vendor=0x1274 device=0x5880 subvendor=0x1274
subdevice=0x2000 class=0x040100
dev.pcm.0.%parent: pci0