From: Gerd Hoffmann <kraxel@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Programmingkid <programmingkidx@gmail.com>,
"H. Peter Anvin" <hpa@linux.intel.com>,
qemu-devel qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH] hw/usb/dev-audio.c: make USB audio card sound perfect
Date: Wed, 28 Oct 2015 13:07:58 +0100 [thread overview]
Message-ID: <1446034078.5722.6.camel@redhat.com> (raw)
In-Reply-To: <20151028105856.GA2520@stefanha-x1.localdomain>
Hi,
> Is the problem the host sound API, QEMU's audio/mixing infrastructure,
> or guest responsiveness?
Didn't check in deep this time, but usually none of the above.
Latency problems *anywhere* in qemu can cause this, because the latency
spikes cause the guest not being scheduled for too long so it can't fill
the sound buffers in time.
cheers,
Gerd
next prev parent reply other threads:[~2015-10-28 12:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-22 23:32 [Qemu-devel] [PATCH] hw/usb/dev-audio.c: make USB audio card sound perfect Programmingkid
2015-10-16 12:15 ` Stefan Hajnoczi
2015-10-16 13:54 ` Programmingkid
2015-10-16 14:00 ` Peter Maydell
2015-10-16 14:06 ` Programmingkid
2015-10-26 11:00 ` Stefan Hajnoczi
2015-10-26 12:24 ` Gerd Hoffmann
2015-10-26 16:05 ` Programmingkid
2015-10-28 10:58 ` Stefan Hajnoczi
2015-10-28 12:07 ` Gerd Hoffmann [this message]
2015-10-28 13:59 ` Programmingkid
2015-10-29 15:08 ` Stefan Hajnoczi
2015-10-29 16:02 ` Programmingkid
2015-10-30 10:59 ` Gerd Hoffmann
2015-11-02 13:07 ` Stefan Hajnoczi
2015-11-02 13:49 ` Gerd Hoffmann
2015-10-26 15:16 ` Programmingkid
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