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Re: Sound input support in QEMU

From: Peter Maydell
Subject: Re: Sound input support in QEMU
Date: Mon, 2 Dec 2019 18:39:50 +0000

On Sat, 30 Nov 2019 at 19:07, Programmingkid <address@hidden> wrote:
> Do any of the sound cards in QEMU having working sound input? I have tried 
> AC97, ES1370, and SoundBlaster 16 cards with my Windows 2000 guest. All cards 
> can output audio but when I try to record sound there is nothing. My host is 
> Mac OS 10.12.

Which audio backend are you using ?
The 'coreaudio' backend in QEMU has an audio_driver
struct which says:
    .max_voices_out = 1,
    .max_voices_in  = 0,
which I suspect means it doesn't support input.

Other backends like the pulseaudio one seem to have
input support -- you might try cross-checking
whether input works on a Linux host. (This is
almost always a good idea with "doesn't seem to
work, my host is OSX" bugs.)

-- PMM

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