USB sound devices with FreeBSD-CURRENT

[Hans Petter Selasky]

On 2020-09-13 11:21, Graham Perrin wrote:
> 
> 1. Chromium simply does not play AV content e.g. 
> <https://www.ted.com/talks/james_geary_metaphorically_speaking> – after 
> a click to play, there's a moment of visual motion but no playback
> 
> 2. if Firefox media.cubeb.backend set to oss then behaviour is the same 
> as Chromium
> 
> 3. if Firefox media.cubeb.backend is not set (audio backend defaults to 
> pulse-rust) then playback occurs through IDT 92HD81B1X (Analog) – not USB.

Try to configure a smaller audio buffer size in virtual_oss . Sometimes 
devices request a very small audio buffer .

--HPS