Date: Sat, 28 Mar 2020 13:45:13 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: Graham Perrin <grahamperrin@gmail.com> Cc: freebsd-current@freebsd.org, FreeBSD questions <freebsd-questions@freebsd.org> Subject: Re: USB microphones with FreeBSD-CURRENT Message-ID: <v9mo-zm06-wny@FreeBSD.org> In-Reply-To: <5c93c4d2-897b-0671-b29a-9fde6031adf5@gmail.com> (Graham Perrin's message of "Sat, 28 Mar 2020 06:31:11 %2B0000") References: <5c93c4d2-897b-0671-b29a-9fde6031adf5@gmail.com>
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Graham Perrin <grahamperrin@gmail.com> writes: > I can't get web browsers to recognise USB microphones. > > USB output (e.g. to my headphones) is OK. > > USB input (e.g. from the microphone part of the headphones) is not. > > Any suggestions? Firefox uses "pulse-rust" cubeb backend *by default* if "pulseaudio" package is installed. getUserMedia is supposed to preset a dropdown menu to select a microphone. Make sure pulseaudio actually recognizes the desired microphone e.g., debug via "pactl list" and "parec". I don't have a mic but, looking at the code, only pulse-rust or pulse backends on Linux/FreeBSD support selecting non-default audio device. It maybe possible to use other backends but if audio device used for output and input are different that'd require routing defaults which can be done via config file (e.g., ~/.asoundrc) or externally via virtual_oss. > pcm3: <USB audio> (play/rec) default > pcm4: <USB audio> (rec) Are these distinct physical devices? > hw.snd.default_unit: 3 Have you tried using 4?
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