[mythtv-users] Not getting Dolby Prologic out of s/pdif

[Gregorio Gervasio, Jr.]

>>>>> Kevin Kuphal writes:

k> Perhaps you can advise me here.  I have ATSC HD recordings that if I 
k> play them through mplayer with -ac hwac3, my receiver pops into Dolby 
k> Digital mode (or whatever) and it works nice (2 ch, 5 ch, whatever), but 
k> if I enable AC3 passthrough in Myth, I get no sound.  I have no 
k> .asoundrc file and it seems that ALSA works fine for mplayer  with that 
k> switch, what more does Myth need?  My normal recordings go fine to my 
k> receiver via ALSA:default or ALSA:spdif, whatever I have set in Myth.


        I have the same problem reported here:

http://www.gossamer-threads.com/lists/mythtv/dev/187127#187127

If I remove the code described in the post, AC3 passthrough works fine
with "ALSA:default" as the output device.  This is with onboard audio
on an nForce4 board, no .asoundrc, FC4.
-- 
Gregorio Gervasio, Jr.