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From: "H. Peter Anvin" <hpa@linux.intel.com>
To: malc <av1474@comtv.ru>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] [RFC] Add support for a USB audio device model
Date: Fri, 10 Sep 2010 18:08:52 -0700	[thread overview]
Message-ID: <4C8AD6A4.5010601@linux.intel.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1009110422260.4132@linmac>

On 09/10/2010 05:28 PM, malc wrote:
> On Fri, 10 Sep 2010, H. Peter Anvin wrote:
> 
>> I discovered that none of the audio device models supported by current
>> Qemu/KVM appear to be supported out of the box on Win7 64 bit (AC97
>> works fine on 32 bit).  The most logical ways to fix that would be to
>> add a long-term supportable audio device model.  Intel HD Audio and
>> USB Audio seemed like the most reasonable options, but I opted for USB
>> Audio for a few reasons:
> 
> I'll look at it tomorow, in the meantime it would be great to know
> how to test it (i.e. how to build the kernel which includes the
> driver for this thing)

Any remotely recent stock distro should have support for it.  I say
"should", because I haven't actually tested it with a Linux guest yet.

I'll try to do that later; I have to leave now.

> Oh and is the audio output bad when using linux guest too? (I don't
> have any windows guests to test this part of the equation)

Yes; I also have an stderr message in the patch

> P.S. The patches have lot's of tabs in them btw.

*Sigh* my tools are tuned to Linux kernel development, I'm afraid.

> P.P.S. There's an extension to your Intel HDA Audio option:
>        to get the HDA code from VirtualBox and "port" it to QEMU.

I know.  Someone else is welcome to do that... since it would require
knowing both the VirtualBox and the Qemu sound subsystem interfaces and
in what ways they are similar or different.

	-hpa

WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@linux.intel.com>
To: malc <av1474@comtv.ru>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: [Qemu-devel] Re: [PATCH] [RFC] Add support for a USB audio device model
Date: Fri, 10 Sep 2010 18:08:52 -0700	[thread overview]
Message-ID: <4C8AD6A4.5010601@linux.intel.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1009110422260.4132@linmac>

On 09/10/2010 05:28 PM, malc wrote:
> On Fri, 10 Sep 2010, H. Peter Anvin wrote:
> 
>> I discovered that none of the audio device models supported by current
>> Qemu/KVM appear to be supported out of the box on Win7 64 bit (AC97
>> works fine on 32 bit).  The most logical ways to fix that would be to
>> add a long-term supportable audio device model.  Intel HD Audio and
>> USB Audio seemed like the most reasonable options, but I opted for USB
>> Audio for a few reasons:
> 
> I'll look at it tomorow, in the meantime it would be great to know
> how to test it (i.e. how to build the kernel which includes the
> driver for this thing)

Any remotely recent stock distro should have support for it.  I say
"should", because I haven't actually tested it with a Linux guest yet.

I'll try to do that later; I have to leave now.

> Oh and is the audio output bad when using linux guest too? (I don't
> have any windows guests to test this part of the equation)

Yes; I also have an stderr message in the patch

> P.S. The patches have lot's of tabs in them btw.

*Sigh* my tools are tuned to Linux kernel development, I'm afraid.

> P.P.S. There's an extension to your Intel HDA Audio option:
>        to get the HDA code from VirtualBox and "port" it to QEMU.

I know.  Someone else is welcome to do that... since it would require
knowing both the VirtualBox and the Qemu sound subsystem interfaces and
in what ways they are similar or different.

	-hpa

  reply	other threads:[~2010-09-11  1:08 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-10 21:47 [PATCH] [RFC] Add support for a USB audio device model H. Peter Anvin
2010-09-10 21:47 ` [Qemu-devel] " H. Peter Anvin
2010-09-11  0:28 ` malc
2010-09-11  0:28   ` [Qemu-devel] " malc
2010-09-11  1:08   ` H. Peter Anvin [this message]
2010-09-11  1:08     ` H. Peter Anvin
2010-09-11  2:47     ` H. Peter Anvin
2010-09-11  2:47       ` H. Peter Anvin
2010-09-11  3:05       ` H. Peter Anvin
2010-09-11  3:05         ` H. Peter Anvin
2010-09-11 13:53         ` malc
2010-09-11 17:09           ` H. Peter Anvin
2010-09-11 13:14     ` Alexander Graf
2010-09-11 13:14       ` [Qemu-devel] " Alexander Graf
2010-09-11 18:29       ` H. Peter Anvin
2010-09-11 18:29         ` [Qemu-devel] " H. Peter Anvin
2010-09-11  7:41 ` Stefan Hajnoczi
2010-09-11  7:41   ` [Qemu-devel] " Stefan Hajnoczi
2010-09-12  5:20   ` H. Peter Anvin
2010-09-12  5:20     ` [Qemu-devel] " H. Peter Anvin
2010-09-13 20:53 ` Amos Kong
2010-09-13 20:53   ` [Qemu-devel] " Amos Kong
2010-09-13 21:04   ` H. Peter Anvin
2010-09-13 21:04     ` [Qemu-devel] " H. Peter Anvin
2010-09-14  1:37     ` Amos Kong
2010-09-14  1:37       ` [Qemu-devel] " Amos Kong
2010-09-14  5:56       ` H. Peter Anvin
2010-09-14  5:56         ` [Qemu-devel] " H. Peter Anvin
2010-10-14 13:51         ` Mike Snitzer
2010-10-14 13:51           ` [Qemu-devel] " Mike Snitzer
2010-10-14 15:40           ` H. Peter Anvin
2010-10-14 15:40             ` [Qemu-devel] " H. Peter Anvin
2010-10-14 16:18             ` Alon Levy
2010-10-14 17:43               ` H. Peter Anvin
2010-09-13 21:07   ` H. Peter Anvin
2010-09-13 21:07     ` [Qemu-devel] " H. Peter Anvin

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