Re: [Alsa-user] S/PDIF Capture Details

2012-06-14 Thread Paul Braman
Clemens Ladish wrote: PCM streams are marked with the valid bit. From what I understand, I just don't have access to that flag so my best guess is still just a guess. It's all just a matter of capturing the PCM stream and then looking through it for the repeated sequence that is defined for

Re: [Alsa-user] S/PDIF Capture Details

2012-06-13 Thread Clemens Ladisch
Paul Braman wrote: I'm writing a program to open an ALSA device (USB S/PDIF) and capture the bitstream. Aside from having to tackle the bits about deciding whether the stream is PCM versus something else, PCM streams are marked with the valid bit. So, assuming I can find the card and open it

[Alsa-user] S/PDIF Capture Details

2012-06-12 Thread Paul Braman
I'm writing a program to open an ALSA device (USB S/PDIF) and capture the bitstream. Aside from having to tackle the bits about deciding whether the stream is PCM versus something else, I first have to figure out how to *properly* open the device for capture. Unfortunately, what programs I've seen