[Bug 1859916] Re: coreaudio not working on MacOS

[JS]

I recently test it again, coreaudio is working on 4.1.1, 4.2 and 5rc1 on
MacOS.

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https://bugs.launchpad.net/bugs/1859916

Title:
  coreaudio not working on MacOS

Status in QEMU:
  Invalid

Bug description:
  OS: MacOS Catalina 10.15.2

  qemu-system-x86_64 -version
  QEMU emulator version 4.2.50 (v4.2.0-13-g084a398bf8-dirty)
  Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers

  Qemu install via brew: brew install qemu

  ---

  I use following to install Ubuntu 18.04 desktop successfully:-

  IMG_CD=$HOME/Downloads/iso/ubuntu-18.04.3-desktop-amd64.iso
  IMG_FILE=$HOME/code/vm/qemu/u64d01.qcow2
  MAC_ADDR=xx:xx:xx:xx:xx:xx

  qemu-system-x86_64 \
  -no-user-config -nodefaults \
  -show-cursor \
  -name u64d01 \
  -M q35,accel=hvf,usb=off,vmport=off \
  -cpu host -smp 4 -m 2048 \
  -overcommit mem-lock=off \
  -overcommit cpu-pm=off \
  -rtc base=utc,clock=host \
  \
  -device virtio-tablet-pci \
  -device virtio-vga \
  \
  -device virtio-blk-pci,drive=ssd1 \
  -drive id=ssd1,file=$IMG_FILE,if=none,format=qcow2 \
  \
  -device virtio-net-pci,netdev=nic1,mac=$MAC_ADDR \
  -netdev user,id=nic1,ipv4=on,ipv6=on,hostname=u64d01,hostfwd=tcp::2222-:22 \
  \
  -device ich9-intel-hda,id=snd,msi=on \
  -device hda-output,id=snd-codec0,bus=snd.0,cad=0,audiodev=snd0 \
  -audiodev coreaudio,id=snd0,out.buffer-count=10000 \
  \
  -cdrom $IMG_CD

  Removing the last -cdrom line Ubuntu desktop boot up and everything
  work perfectly except the audio.

  I test with wav audio driver by replacing the -audiodev line as
  follow, which save the client audio to a wave file:

  -audiodev wav,id=snd0,path=$HOME/qemu.wav

  I start the vm, open firefox, play a few video, then shutdown the vm.
  Then I can play the qemu.wav file and all the audio was recorded
  there.

  However, I can't get audio directly with coreaudio.

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