Date: Sun, 13 Sep 2020 11:24:13 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Graham Perrin <grahamperrin@gmail.com>, FreeBSD CURRENT <freebsd-current@freebsd.org>, FreeBSD questions <freebsd-questions@freebsd.org> Subject: Re: USB sound devices with FreeBSD-CURRENT Message-ID: <b35f3d8a-6d47-67fa-864b-488cf63b9b9a@selasky.org> In-Reply-To: <9551111b-5dfb-c42b-6f58-81f6c8b8bbd1@gmail.com> References: <9551111b-5dfb-c42b-6f58-81f6c8b8bbd1@gmail.com>
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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
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