From: Laurent Vivier <Laurent@vivier.eu>
To: qemu-devel@nongnu.org
Subject: [Bug 1858488] Re: qemu git && 4.2: timed audio issues with sb16, gus not working?
Date: Thu, 30 Apr 2020 13:41:49 -0000 [thread overview]
Message-ID: <158825411029.11959.14691651805460123144.launchpad@wampee.canonical.com> (raw)
In-Reply-To: 157833854539.28173.10729724748625497755.malonedeb@chaenomeles.canonical.com
** Changed in: qemu
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1858488
Title:
qemu git && 4.2: timed audio issues with sb16, gus not working?
Status in QEMU:
Fix Released
Bug description:
I have built [both] current git, and 4.2.0, there are issues with audio/soundhw for both.
Specifics:
Linux nullrig 5.3.0-24-generic #26-Ubuntu SMP Thu Nov 14 01:33:18 UTC
2019 x86_64 x86_64 x86_64 GNU/Linux
Out of source build, successful for both:
../configure --prefix=/opt/qemu --target-list=i386-softmmu,mips64el-
softmmu ---enable-sdl --enable-sdl-image --enable-lzo --enable-bzip2
--enable-avx2 --enable-kvm --enable-membarrier --enable-plugin
Call:
./qemu -machine pc,accel=kvm,usb=off -cpu pentium -m 64 -rtc
base=localtime -parallel none -soundhw sb16,adlib,pcspk -device
cirrus-vga,bus=pci.0 -drive
id=disk1,file=doom.cow,format=qcow2,if=virtio -audiodev pa,id=pa
Audio for sb16 sounds ok, however if i switch to a timer based audio:
-audiodev wav
The output is wrong.. I had assumed it was all timer based audio,
however it seems to be limited to sb16.
So I then tried the next popular/compatible audio device for dos
games: gravis ultrasound [gus].
I get no output at all for it.
I have tried more than one piece of software, DOOM shareware is any easy example.
I realize there are better solutions for playing DOS games, however I
am interested in snapshot support which many of them lack.
I am willing to put the work into fixing it myself if need be,
however i'm not very familiar with the audio backend. Specifically,
it is already mixed into a single buffer, if 'adlib' driver is
already working: (audio_pcm_ops.write() output is correct on timer
based output) I failed to see how it affects emulation of the sound
blaster.
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prev parent reply other threads:[~2020-04-30 14:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 19:22 [Bug 1858488] [NEW] qemu git && 4.2: timed audio issues with sb16, gus not working? David Miller
2020-01-06 19:26 ` [Bug 1858488] " David Miller
2020-01-08 19:12 ` David Miller
2020-03-10 9:11 ` Laurent Vivier
2020-04-30 13:41 ` Laurent Vivier [this message]
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