2017-07-12 22:58 GMT+02:00 Tanu Kaskinen <tanuk at iki.fi>: > I don't know how the endpoints are supposed to agree on the format, and > what kind of interface alsa provides for that (if any). The alsa-devel > list might be more appropriate for questions about spdif details. > I've raised this question to alsa-user mail list, here is the response I got ( http://www.mail-archive.com/alsa-user at lists.sourceforge.net/msg32163.html): > There would be a mixer control "IEC958 Capture Default" associated with > the PCM device (i.e., not a real mixer control visible in alsamixer), > containing the channel status bits; the "IEC958 Capture Mask" control > defines which bits are valid. Although it is not yet supported for USB cards, is pulseaudio able to read this information and provide it to applications? Best regards, Denis Shulyaka -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20170719/bbb057d9/attachment.html>
