[mythtv] [patch] multi channel audio patch 1

Mark Spieth mark at dclabs.com.au
Sat Dec 31 18:15:48 EST 2005

> On Saturday 31 December 2005 14:37, Allan Stirling wrote:
>> Steve Adeff wrote:
>> > So, if ALSA can reencode to AC3, I think it would be a great idea for 
>> > the
>> > timestretch code.
>> I hate to be the bringer of bad news (again), but ALSA can't without a 
>> lot
>> of glue. JACK can - With an external, unlicenced (and unlicensable)
>> implementation of an AC3 encoder, from FFMpeg. Hence why I said earlier
>> that it may be easier to reuse the glue bits from:
>> http://essej.net/ac3jack/
>> Or just use jack + a jack router to get what we want.
>> Cheers,
>> Allan.
> bummer. Maybe then just convert the AC3 to stereo PCM for timestretch? At
> least you'd get sound...
> I dunno, I've never used timestretch, so I don't know what the needs of 
> people
> that do are, just throwing ideas out there...
ok then how about if passthru is on, if the output is reencoded to AC3 so 
you get the multichannel audio that is desirable? 

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