[mythtv] [PATCH] Big audio update redux

[Ed Wildgoose]

> SAP is "Secondary Audio Program", where you can have a second language 
> on a seperate audio carrier.  So, the primary audio would be English, 
> secondary in the US is traditionally Spanish.  I can see where it'd be 
> useful in live TV mode, and there's an ivtv control that lets you 
> choose SAP, but I don't think MythTV does anything like that right now.
> So, on second thought SAP probably isn't a volume control thing as 
> much as it is something else.  What that something else is, I'm not 
> sure yet. :)


You have the same with DVB where you can have multiple audio pids.  The 
others probably have AC3 or similar on them

I think there could be a "cycle audio channel" option which would do 
different things on DVB, hardware terrestrial card, terrestrial card, 
etc.  For normal cards it would do more swapping left right channels, 
etc, for DVB it does something more clever, etc.

Sound sensible?

Ed W