ADAT does work, but often is interrupted by noise - Was: FreeBSD and snd_hdspe last-ditch attempt

[Ralf Mardorf]

Hi Ruslan :)

here's the output of sysctl hw.snd and sysctl dev.pcm.

$ sysctl hw.snd
hw.snd.vpc_reset: 0
hw.snd.vpc_0db: 45
hw.snd.vpc_autoreset: 1
hw.snd.latency_profile: 1
hw.snd.latency: 5
hw.snd.report_soft_matrix: 1
hw.snd.report_soft_formats: 1
hw.snd.compat_linux_mmap: 0
hw.snd.feeder_eq_exact_rate: 0
hw.snd.feeder_eq_presets:  
PEQ:16000,0.2500,62,0.2500:-9,9,1.0:44100,48000,88200,96000,176400,192000
hw.snd.feeder_rate_quality: 1
hw.snd.feeder_rate_round: 25
hw.snd.feeder_rate_max: 2016000
hw.snd.feeder_rate_min: 1
hw.snd.feeder_rate_polyphase_max: 183040
hw.snd.feeder_rate_presets: 100:8:0.85 100:36:0.92 100:164:0.97
hw.snd.vpc_mixer_bypass: 1
hw.snd.verbose: 2
hw.snd.maxautovchans: 16
hw.snd.default_unit: 0
hw.snd.version: 2009061500/amd64
hw.snd.default_auto: 1

$ sysctl dev.pcm
dev.pcm.0.%desc: HDSPe AIO [line]
dev.pcm.0.%driver: pcm
dev.pcm.0.%parent: hdspe0
dev.pcm.0.play.vchans: 1
dev.pcm.0.play.vchanmode: fixed
dev.pcm.0.play.vchanrate: 48000
dev.pcm.0.play.vchanformat: s16le:2.0
dev.pcm.0.rec.vchans: 1
dev.pcm.0.rec.vchanmode: fixed
dev.pcm.0.rec.vchanrate: 48000
dev.pcm.0.rec.vchanformat: s16le:2.0
dev.pcm.0.buffersize: 0
dev.pcm.0.bitperfect: 0
dev.pcm.1.%desc: HDSPe AIO [phone]
dev.pcm.1.%driver: pcm
dev.pcm.1.%parent: hdspe0
dev.pcm.1.play.vchans: 1
dev.pcm.1.play.vchanmode: fixed
dev.pcm.1.play.vchanrate: 48000
dev.pcm.1.play.vchanformat: s16le:2.0
dev.pcm.1.buffersize: 0
dev.pcm.1.bitperfect: 0
dev.pcm.2.%desc: HDSPe AIO [aes]
dev.pcm.2.%driver: pcm
dev.pcm.2.%parent: hdspe0
dev.pcm.2.play.vchans: 1
dev.pcm.2.play.vchanmode: fixed
dev.pcm.2.play.vchanrate: 48000
dev.pcm.2.play.vchanformat: s16le:2.0
dev.pcm.2.rec.vchans: 1
dev.pcm.2.rec.vchanmode: fixed
dev.pcm.2.rec.vchanrate: 48000
dev.pcm.2.rec.vchanformat: s16le:2.0
dev.pcm.2.buffersize: 0
dev.pcm.2.bitperfect: 0
dev.pcm.3.%desc: HDSPe AIO [s/pdif]
dev.pcm.3.%driver: pcm
dev.pcm.3.%parent: hdspe0
dev.pcm.3.play.vchans: 1
dev.pcm.3.play.vchanmode: fixed
dev.pcm.3.play.vchanrate: 48000
dev.pcm.3.play.vchanformat: s16le:2.0
dev.pcm.3.rec.vchans: 1
dev.pcm.3.rec.vchanmode: fixed
dev.pcm.3.rec.vchanrate: 48000
dev.pcm.3.rec.vchanformat: s16le:2.0
dev.pcm.3.buffersize: 0
dev.pcm.3.bitperfect: 0
dev.pcm.4.%desc: HDSPe AIO [adat]
dev.pcm.4.%driver: pcm
dev.pcm.4.%parent: hdspe0
dev.pcm.4.play.vchans: 1
dev.pcm.4.play.vchanmode: fixed
dev.pcm.4.play.vchanrate: 48000
dev.pcm.4.play.vchanformat: s16le:2.0
dev.pcm.4.rec.vchans: 1
dev.pcm.4.rec.vchanmode: fixed
dev.pcm.4.rec.vchanrate: 48000
dev.pcm.4.rec.vchanformat: s16le:2.0
dev.pcm.4.buffersize: 0
dev.pcm.4.bitperfect: 0
dev.pcm.5.%desc: HDSPe AIO [adat]
dev.pcm.5.%driver: pcm
dev.pcm.5.%parent: hdspe0
dev.pcm.5.play.vchans: 1
dev.pcm.5.play.vchanmode: fixed
dev.pcm.5.play.vchanrate: 48000
dev.pcm.5.play.vchanformat: s16le:2.0
dev.pcm.5.rec.vchans: 1
dev.pcm.5.rec.vchanmode: fixed
dev.pcm.5.rec.vchanrate: 48000
dev.pcm.5.rec.vchanformat: s16le:2.0
dev.pcm.5.buffersize: 0
dev.pcm.5.bitperfect: 0
dev.pcm.6.%desc: HDSPe AIO [adat]
dev.pcm.6.%driver: pcm
dev.pcm.6.%parent: hdspe0
dev.pcm.6.play.vchans: 1
dev.pcm.6.play.vchanmode: fixed
dev.pcm.6.play.vchanrate: 48000
dev.pcm.6.play.vchanformat: s16le:2.0
dev.pcm.6.rec.vchans: 1
dev.pcm.6.rec.vchanmode: fixed
dev.pcm.6.rec.vchanrate: 48000
dev.pcm.6.rec.vchanformat: s16le:2.0
dev.pcm.6.buffersize: 0
dev.pcm.6.bitperfect: 0
dev.pcm.7.%desc: HDSPe AIO [adat]
dev.pcm.7.%driver: pcm
dev.pcm.7.%parent: hdspe0
dev.pcm.7.play.vchans: 1
dev.pcm.7.play.vchanmode: fixed
dev.pcm.7.play.vchanrate: 48000
dev.pcm.7.play.vchanformat: s16le:2.0
dev.pcm.7.rec.vchans: 1
dev.pcm.7.rec.vchanmode: fixed
dev.pcm.7.rec.vchanrate: 48000
dev.pcm.7.rec.vchanformat: s16le:2.0
dev.pcm.7.buffersize: 0
dev.pcm.7.bitperfect: 0

Regards,
Ralf