[alsa-devel] Nvidia hdmi problems

Takashi Iwai tiwai at suse.de
Fri Oct 24 09:27:28 CEST 2008


At Thu, 23 Oct 2008 22:08:15 +0200,
Nir Tzachar wrote:
> 
> On Thu, Oct 23, 2008 at 11:31 PM, Takashi Iwai <tiwai at suse.de> wrote:
> > At Thu, 23 Oct 2008 20:34:30 +0200,
> > Nir Tzachar wrote:
> >>
> >> On Thu, Oct 23, 2008 at 10:04 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >> > At Wed, 22 Oct 2008 19:09:41 +0200,
> >> > Nir Tzachar wrote:
> >> >>
> >> >> On Wed, Oct 22, 2008 at 8:15 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >> >> > At Wed, 22 Oct 2008 06:43:06 +0200,
> >> >> > Nir Tzachar wrote:
> >> >> >>
> >> >> >> On Wed, Oct 22, 2008 at 4:42 AM, Wei Ni <wni at nvidia.com> wrote:
> >> >> >> > Hi, Takshi
> >> >> >> > We have no official plan to support this nforce 630i HDMI audio in linux
> >> >> >> > now,
> >> >> >> > and we didn't do any test on it yet. So we can't provide the official
> >> >> >> > patch for this addition.
> >> >> >> >
> >> >> >> > I think if someone interest in it and do some test, he can generate
> >> >> >> > patch and submit it.
> >> >> >>
> >> >> >> As I am interested, and willing o do the tests, I would be happy to
> >> >> >> know which tests are needed.
> >> >> >
> >> >> > If you can play both audio streams and non-audio streams over the device
> >> >> > by some applications, it's basically confirmed to work :)
> >> >>
> >> >> What do you mean by non-audio stream?
> >> >
> >> > The passthrough of AC3 stream or so.
> >> >
> >> >> Can you give specific commands
> >> >> which should work?
> >> >
> >> > I usually test using ac3dec program included in alsa-tools.
> >>
> >> Tried  ac3decode, and got a perfect sound out. I am using the
> >> following asound.conf (if it is relevant):
> >
> > Well, I guess this won't be a non-audio mode.
> > Try to get the latest alsa-tools git tree.  I changed ac3dec and
> > now it has -H option.  Specify this together with -C,
> >
> >        % ac3dec -C -H foo.ac3
> >
> > This will be the AC3 passthru testing.
> 
> http://git.alsa-project.org/http/alsa-tools.git
> cd alsa-tools
> make
> 
> results with a ac3decode without an H option.
> HEAD: 8a3b9b29010669c085f1821ebc6b6a2672d8d93a
> which is date to 9/9

Oops, I seem to have forgotten to push.
Pushed out now.


Takashi


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