On Sun, Dec 02, 2001 at 10:13:46PM +0100, Thorsten Schnebeck wrote:
> Hi!
>
> should pass all ac3 data direct to the emu10k1 - no need for a software
> downmixing. But the current emu10k1 sounddriver has another interesing
> feature: direct ac3 data passthru to the receiver (ac3 data are
> auto-detected)!
> If I start "play-ac3 thx.ac3" my receiver shows "Dolby Digital" in the
> display and I got perfect sound. If I use "aviplay thx.avi" with
Well that's how libac3pass is supposed to work - and at least
it worked this way when I've developed this plugin - but I could not
test this plugin as I do not have such device at home.
But during development I've used it and I've seen DolbyDigital sign.
So if there has anything changed in the EMU driver - someone will
have to figure out how to update the code to match playac3
> I would like to fix libac3pass in a way of passthru all ac3 data from the
> stream to the receiver in the same way "play-ac3" works. I have the
> hardware and basic programming skills but I dont know anything about
> avifile plugin structure. Anybody? :-)
It's really very simple.
Just look at it.
Data are taken from ac3 avi stream - translated to some native
emu code (I suspect this could have been changed - so look
at this area first) and then are directly passed to oss driver
which is being set in OSSAudioRenderer
(be sure you are using OSS audio driver - it will not work with
SDL audio driver - and this all should be written in the enclosed readme)
bye
--
.''`. Which fundamental human right do you want to give up today?
: :' : Debian GNU/Linux maintainer - www.debian.{org,cz}
`. `' Zdenek Kabelac kabi@{debian.org, users.sf.net, fi.muni.cz}
`- Resistance is futile. You all will be packaged
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