[mythtv-users] Xine & alsa.spdif + passtrough

[Jarod C. Wilson]

On Nov 28, 2004, at 9:48 PM, Tomi Makinen wrote:

> this also gave me this weird noice from analog output 8(.

Weird noise on the analog output, or weird noise on the spdif output 
when trying to play analog sounds?

Also, I wouldn't edit the xine config file directly, I'd make the 
changes through the xine config ui, your settings might be slightly 
different, depending on your soundcard and .asoundrc.

>>> I have been reading atleast most of the posts about alsa and spdif.
>>> I am using FC1 with jarods guide, but I have lost my DD & DTS sounds.
>>> Is the xine that comes with apt-get compiled with alsa support ?
>>> What happens always is that, I get strange sounds from analog output
>>> when I try to use passthrough mode. I have intel 865 mobo and I use 
>>> its
>>> soundcard. If I use the digitalsound howto and use the long 
>>> .asoundrc I get
>>> all the sounds from spdif, but it is always mixed to 2 channels. 
>>> Atleast
>>> my amp shows that it is PCM and prologic is used.
>>>
>>> Anyone got ideas how to configure Xine to give DVD sounds to spdif ?
>>> I would like that all the sounds would come from spdif, but it is 
>>> not a
>>> must thing.
>>>
>>> - McIne -
>>
>> From a reply given to me regarding something similar. Look for the 
>> subject
>> Alsa Sound Out
>>
>>> No. You have to check the box for "enable AC3 passthrough" in 
>>> mythfrontend
>> for
>>> MythTV to pass AC3. Both mplayer and xine (and Ogle, I presume) have 
>>> to be
>>> configured independently to pass raw AC3.
>>>
>>> My ~/.mplayer/config file has this in it:
>>>
>>> ac=hwac3,
>>>
>>> The comma says "fall back to whatever is auto-detected, if not AC3".
>>>
>>> For xine, I've got these in ~/.xine/config:
>>>
>>> audio.speaker_arrangement:Pass Through
>>>
>>> audio.alsa_a52_device:spdif
>>>
>>> I believe both of those were actually set using the Xine 
>>> configuration UI.
>>>
>>> (Yes, to those who might be wondering, I'm finally adding xine info 
>>> to my
>>> docs).

-- 
Jarod C. Wilson, RHCE
jcw at wilsonet.com

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