[Bug 271559] [sound] [snd_uaudio] Creative Katana V2X garbled audio
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Date: Tue, 23 May 2023 18:37:52 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271559
Hans Petter Selasky <hselasky@FreeBSD.org> changed:
What |Removed |Added
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CC| |hselasky@FreeBSD.org
--- Comment #9 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Hi,
uaudio1: <Creative Technology Ltd SB Katana V2X, class 239/2, rev 2.00/10.10,
addr 7> on usbus5
uaudio1: Play[0]: 48000 Hz, 6 ch, 24-bit S-LE PCM format, 2x8ms buffer.
uaudio1: Record[0]: 48000 Hz, 2 ch, 24-bit S-LE PCM format, 2x8ms buffer.
This device use 6 channels for playback.
Try using virtual_oss from pkg / ports, to split the device into a 2 channel
dsp device.
Many applications expect stereo at most. We have some mapping code in the PCM
code in the kernel too, but I'm not sure if it supports all channel variants.
For example when you playback stereo, those two channels are mapped to all the
6 other channels.
--HPS
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