[alsa-devel] Nvidia hdmi problems

[Nir Tzachar]

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

Anyway, with the version of ac3dec I got, it works _only_ with the
following options:  -D hdmi -R

Cheers,
Nir