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PostPosted: Thu Oct 18, 2018 3:06 pm 
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Student Driver

Joined: Fri Feb 16, 2018 8:52 am
Posts: 12
Hello,

sound ist not working for me with this build:

MacBook-Pro-44:~ danielhensel$ /Applications/Qemu64Bit-OSX-3.0pre-Screamer-26062018/qemu.command ; exit;
coreaudio: Could not initialize playback
coreaudio: Could not set samplerate 44100
coreaudio: Reason: kAudioDeviceUnsupportedFormatError
coreaudio: Could not initialize playback
coreaudio: Could not set samplerate 44100
coreaudio: Reason: kAudioDeviceUnsupportedFormatError
audio: Failed to create voice `screamer'
screamer: Could not open voice


Here ist my command:

#!/bin/bash
cd "$(dirname "$0")"

./qemu-system-ppc -L pc-bios -boot c -M mac99 -m 512 -prom-env 'auto-boot?=true' -prom-env 'boot-args=-v' -prom-env 'vga-ndrv?=true' -drive file="/Applications/Qemu64Bit-OSX-3.0pre-Screamer-26062018/Macintosh HD",format=qcow2,media=disk -drive file=empty_disk.qcow2,format=qcow2,media=disk -netdev user,id=network01 -device sungem,netdev=network01

Any ideas?

All the best,
Daniel


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PostPosted: Thu Oct 18, 2018 6:17 pm 
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Expert User
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Joined: Fri Feb 13, 2004 8:59 am
Posts: 4704
Location: Sittard, The Netherlands
Hi,

Are you perhaps using another audio application? I found this when searching the internet for "coreaudio: Could not initialize playback"

https://stackoverflow.com/questions/509 ... e-playback

"I found the problem. I use BOOM 3D application on my MacBook. It is an Audio Enhancer. The app uses MacBook audio output. So when I disabled the app the problem disappeared."

Best,
Cat_7


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PostPosted: Thu Oct 18, 2018 6:22 pm 
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Student Driver

Joined: Fri Feb 16, 2018 8:52 am
Posts: 12
Hi,

thanks for your quick reply. Yeah, I used Boom 3D, too and forgot to disable it.

Now the error has disappeared! Thanks! My fault!

All the best,
Daniel


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PostPosted: Tue Dec 25, 2018 10:52 am 
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Tinkerer
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Joined: Fri Dec 29, 2017 3:43 pm
Posts: 58
Hi guys I made a guide for emulating Mac OS X Tiger on QEMU 3.0.0 working on macOS 10.14 Mojave. It is in Italian though. If you think it could help, I will happily translate it into English.
https://2bluebuffalo.blogspot.com/2018/ ... ojave.html

Have a nice day and Merry Christmas to you all,
mePy2


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PostPosted: Fri Mar 01, 2019 10:17 am 
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Tinkerer
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Joined: Fri Dec 29, 2017 3:43 pm
Posts: 58
mePy2 wrote:
Hi guys I made a guide for emulating Mac OS X Tiger on QEMU 3.0.0 working on macOS 10.14 Mojave. It is in Italian though. If you think it could help, I will happily translate it into English.
https://2bluebuffalo.blogspot.com/2018/ ... ojave.html

Have a nice day and Merry Christmas to you all,
mePy2


Ok, that’s the translated version of the post.
Only one thing, I would recommend to utilize the Cat_7 (?) build of QEMU you can find here in the download section of the site.

https://2bluebuffalo-en.blogspot.com/20 ... -1014.html

Best,
mePy2


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PostPosted: Sat Mar 02, 2019 2:29 pm 
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Inquisitive Elf

Joined: Sun Jul 31, 2016 11:58 pm
Posts: 30
Wow! the latest build is *so* much faster than the previous one, and I also see that that the screamer audio crackle on vm startup has been fixed!!!

Great job!!! :cool: :eek:


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PostPosted: Mon Mar 04, 2019 3:01 pm 
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Inquisitive Elf

Joined: Tue Jan 29, 2019 6:03 pm
Posts: 25
Congrats. for the new command in the guide for setting up Qemu in Windows, it makes life so much easier for newcomers to Qemu.


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