tree 20232ae712793fff9b2fd4a679fc86e49559f90e
parent cc5f13956c3e681d5974bc81b6d275c19666af4b
author H. Peter Anvin <hpa@linux.intel.com> 1284155276 -0700
committer Gerd Hoffmann <kraxel@redhat.com> 1326446744 +0100

usb: add audio device model

This brings a usb audio device to qemu.  Output only, fixed at
16bit stereo @ 480000 Hz.  Based on a patch from
H. Peter Anvin <hpa@linux.intel.com>

Usage: add '-device usb-audio' to your qemu command line.

Works sorta ok on a idle machine.  Known issues:

 * Is *very* sensitive to latencies.
 * Burns quite some CPU due to usb polling.

In short:  It brings the qemu usb emulation to its limits.  Enjoy!

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>