[vdr] Re: Howto route audio through soundcard

["Andreas Breitenbach" <lists@Breitenbach-sc.de>]

Dr. Werner Fink wrote:

>> >>
>> >> Is it possible to use the SPDIF output of the DVB card and route the
>> >> signal to the SPDIF input of the soundcard, then over the normal
>> >> output to the stereo amplifier?
>> >>
>> >> If yes, which plugins do I need?
>> >
>> > bitstreamout 0.50a should do the job for both MP2 and AC3 audio.
>> >
>> >
>> What I actually need is a way out of the analog output of my onboard sound
>> (can output analog 5.1) of my board with SIS651 chipset.
>
> I can not add a decoder even if a52dec lib is GPL ... the Dolby Labs Inc.
> do have patents and rights on that stuff.

I understand. Maybe I have to be more precise: I simply like to have the sound
output over DVB-Card _and_ sound card as well. Donīt care for DTS, I have no
DTS equipment anyway. Simply stereo or 5.1 is OK for me.

>
>> There is a tool called dtsdec to decode the DTS signal and put it to the normal
>> soundcard output. Is it possible to pipe the stream into that tool or is there
>> another solution?
>
> A DTS decoder software is new for me.  And AFAIK the DTS Inc. had
> never opened their standards to ATCS nor to us, the OpenSource community.
> If there is a DTS decoder software then this have changed :^)

See: http://www.videolan.org/dtsdec.html

>
> AFAIK the current a52dec lib should be able to use ALSA and if your
> sound card is supported with multi channel output  it should works
> simply with `-a' option.   AFAIK there is also a plugin around doing
> the same stuff from Marcel Wiesweg.

Must be the wrong Person. Do you have a command line example?


Thanks,
Andreas


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