[LAU] Recording from S/PDIF

[Clemens Ladisch]

David Kastrup wrote:
> Clemens Ladisch <clemens-P6GI/4k7KOmELgA04lAiVw at public.gmane.org>
> writes:
>> Paul Davis wrote:
>>> When I wrote the RME driver for the digiface/multiface/digi9652 etc, I
>>> knew that status bits were available, but I don't recall exporting them
>>> to user space. At this point in time, I don't even remember what the
>>> ALSA abstraction for that would be. The "control" device? The mixer?​
>>
>> Mixer control "IEC958 Capture Default"/"... Mask".
>
> Huh.  This begs the question: are there any applications making use of
> it?

I am not aware of any.

> For example, for recording via S/PDIF including track marks?

Further research shows that the track number is not transmitted in the
channel status bits but in the "user"/"subcode" bits.  I have never seen
any sound card that allows access to those.


Regards,
Clemens