2009-01-16, 20:55
I am following threads about pulse audio issues with ubuntu and I have everything running OK now (with one of the latest SVNs and pulse audio support) Thanks to Topfs2 for support and whole XBMC dev team.
Here is the question. It is more about sound processing and less about pulse audio I guess. AFAIK currently pulse audio does'n not support passthrough. My system is plugged with optical cable(S/PDIF) to DD/DTS enabled receiver.
I have all movies/music videos playing DTS and DD fine (DVDs/mkv)
If pulse audio doesn't support passthruogh then it means that PC is decoding the signal and then sends it to receiver ?
If PC is doing the job then it means that it uses some CPU/memory resources needed for video decoding.
Isn't it better to run without pulse audio and let ALSA do passthourgh (i don't know if this is happening currently if pulse audio is killed) and let receiver do decoding?
I am aware of the fact that I probably doesn't understand how that process works. Maybe someone with knowledge can explain a bit. I will greatly appreciated it.
I have lots of DTS wav files that linux XBMC doesn't play at all (noise) while original XBOX do great job (DTS/DD) decoding. I am thinking passthrough is somehow the issue here
thx
mike
Here is the question. It is more about sound processing and less about pulse audio I guess. AFAIK currently pulse audio does'n not support passthrough. My system is plugged with optical cable(S/PDIF) to DD/DTS enabled receiver.
I have all movies/music videos playing DTS and DD fine (DVDs/mkv)
If pulse audio doesn't support passthruogh then it means that PC is decoding the signal and then sends it to receiver ?
If PC is doing the job then it means that it uses some CPU/memory resources needed for video decoding.
Isn't it better to run without pulse audio and let ALSA do passthourgh (i don't know if this is happening currently if pulse audio is killed) and let receiver do decoding?
I am aware of the fact that I probably doesn't understand how that process works. Maybe someone with knowledge can explain a bit. I will greatly appreciated it.
I have lots of DTS wav files that linux XBMC doesn't play at all (noise) while original XBOX do great job (DTS/DD) decoding. I am thinking passthrough is somehow the issue here
thx
mike