[MPlayer-dev-eng] SB Live/emu10k1 driver capabilities

Arpi arpi at thot.banki.hu
Thu Nov 22 19:00:11 CET 2001


Hi,

> Probably channel synchronization will be a problem, though.
yes, a big prob. :(

> b) Simply call SNDCTL_DSP_CHANNELS to request 6 channels, and write the
sounds interesting. but doe sit work for non-5+1 cards too?
I have "old" sblive, with only 2 stereo analog output on it.

> Is it an easy change to do the ac3 decoding and pass all the channels
> discretely?  It looks like "skip the downmixing" in libac3, perhaps some
> tweaks in the libao2 drivers to deal with >2 channels?
yes it needs changing both. but it should be easy.
just define a new AFMT_ for 6channel out and extend libac3 (and dec_audio.c)
to use this format.

> I'll have a look on the weekend, but you never know - maybe I can tempt
ok, do it

btw, what's with the libao2 patch? does someone checked it? we should apply
it as soon as possible.


A'rpi / Astral & ESP-team

--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu



More information about the MPlayer-dev-eng mailing list