ac3 passthrough with xine

mrflippy · 05-20-04, 02:01 PM

Hello,

I have a shuttle machine with an nForce2 motherboard running Fedora Core 1. I've finally gotten alsa to send all standard sound (even oss emulation) through spdif to my receiver. However, I cannot get ac3 passthrough working. I can get stereo sound for dvds in xine without a problem, but as soon as I enable the a52_passthrough option, I get no sound from dvds. It seems as though it's trying to do something, because I often get a "pop" from the speakers when it starts playing the sounds, but after that I get no sound output. (If I uncheck a52_passthrough, sound works ok, but it's not surround)

Does anyone have any idea how to get this working? (I can post whatever config files might be useful after I get home from work)

Thanks,
Andy

crache · 05-27-04, 06:19 PM

I'm sorry I cannot help with your current issue, but I have an abit-nf7-s and have spdif for alsa but anything oss goes through my headphone jack. I have messed with my asoundrc but cannot get oss to use spdif by defualt. If you are willing to give me some tips I have been trying for months :-/

Kamel · 05-27-04, 07:44 PM

this may not be exactly what you had in mind, but you may want to try using mplayer with -ao arts (or if you dont use arts, alsa.. whatever you prefer).

i may be sounding like a retard here, because i have not done much in the way of codecs in linux, but have you made sure you have the proper codec?

anyway, sorry i couldn't help further... i really am not a xine fan -- except for streaming stuff.

crache · 05-28-04, 07:03 AM

thanks for the response, but i'm talking more on the line of games.

thomas21 · 06-11-04, 02:46 AM

Quote:

Originally Posted by mrflippy

Hello,

I have a shuttle machine with an nForce2 motherboard running Fedora Core 1. I've finally gotten alsa to send all standard sound (even oss emulation) through spdif to my receiver. However, I cannot get ac3 passthrough working. I can get stereo sound for dvds in xine without a problem, but as soon as I enable the a52_passthrough option, I get no sound from dvds. It seems as though it's trying to do something, because I often get a "pop" from the speakers when it starts playing the sounds, but after that I get no sound output. (If I uncheck a52_passthrough, sound works ok, but it's not surround)

Does anyone have any idea how to get this working? (I can post whatever config files might be useful after I get home from work)

Thanks,
Andy

Hello Andy,

Did you check the Xine How-To:
http://dvd.sourceforge.net/xine-howt.../howto-10.html

Here I found this on AC3:

The AC3 via S/PDIF is supported by ALSA only for some soundcards (mostly those with Trident 4DWaveNX, YMF or Emu10k1 chips). So if you have a suitable soundcard use

$ xine -S -A alsa

05-20-04, 02:01 PM	#1
mrflippy Registered User Join Date: May 2004 Posts: 1	ac3 passthrough with xine Hello, I have a shuttle machine with an nForce2 motherboard running Fedora Core 1. I've finally gotten alsa to send all standard sound (even oss emulation) through spdif to my receiver. However, I cannot get ac3 passthrough working. I can get stereo sound for dvds in xine without a problem, but as soon as I enable the a52_passthrough option, I get no sound from dvds. It seems as though it's trying to do something, because I often get a "pop" from the speakers when it starts playing the sounds, but after that I get no sound output. (If I uncheck a52_passthrough, sound works ok, but it's not surround) Does anyone have any idea how to get this working? (I can post whatever config files might be useful after I get home from work) Thanks, Andy

05-27-04, 06:19 PM	#2
crache Registered User Join Date: Sep 2003 Location: Maine Posts: 13	Re: ac3 passthrough with xine I'm sorry I cannot help with your current issue, but I have an abit-nf7-s and have spdif for alsa but anything oss goes through my headphone jack. I have messed with my asoundrc but cannot get oss to use spdif by defualt. If you are willing to give me some tips I have been trying for months :-/

05-27-04, 07:44 PM	#3
Kamel Hardware Mass Murderer Join Date: Oct 2003 Location: Jacksonville, FL Posts: 1,035	Re: ac3 passthrough with xine this may not be exactly what you had in mind, but you may want to try using mplayer with -ao arts (or if you dont use arts, alsa.. whatever you prefer). i may be sounding like a retard here, because i have not done much in the way of codecs in linux, but have you made sure you have the proper codec? anyway, sorry i couldn't help further... i really am not a xine fan -- except for streaming stuff. __________________ hardware murdered so far: geforce 5900u, deceised: sat on it. geforce 6600gt deceised: improperly mounted heatsink. 3 asus a7n8x-e deluxe motherboards, deceised: unsure. mobile amd xp2600 processor, deceised: chipped core due to compusa heatsink. dfi lanparty ultra b, deceised: unsure, third memory bank went out. samsung cd burner 48x40x48, deceised: unsure, will only read pressed cd's very slowly. samsung TH552C dvd burner (dual layer), deceised: same as other samsung . 10gb seagate 5200rpm drive, deceised: tried fixing a pin that was pushed into the drive by inserting an ide cable upside down. 40gb maxtor drive, deceised: maxtor manufacturer. 80gb western digital, deceised: unnatural causes. swan xt10, deceised: brutal pre-meditated murder, even video taped (it wasn't y2k compliant). logitech mx510, deceised: death by electricution. ati remote wonder, deceised: death by electricution.

05-28-04, 07:03 AM	#4
crache Registered User Join Date: Sep 2003 Location: Maine Posts: 13	Re: ac3 passthrough with xine thanks for the response, but i'm talking more on the line of games.