At Mon, 13 May 2002 08:54:57 -0400 (EDT),
Adam K Kirchhoff wrote:
>
>
> It's looking good so far :-)
>
> I applied the patch and recompiled. I haven't had much chance to test
> since I had to leave for work (I'll test more tonight), but alsaplayer
> worked without using the ch4dup bit from .asoundrc... xmms worked fine,
> with both the Alsa output plugin and the OSS plugin. In all three cases,
> I was getting four speaker output.
good.
the only concern is whether snd_ymfpci_ac3_init/_done is properly
handled. could you check (by adding printk in these routines, for
example) whether these functions are called only once per open/close
devices?
also, could you check multiple playbacks?
> In addition, alsamixer shows a new option "4ch Duplication" so, in theory,
> I can turn it off and have two alsaplayers going, one stream on the front
> channel and a different one on the rear channel. I haven't tested that
> yet, though.
this is even possible without my patch.
the pcm device #2 (hw:0,2) to play from rear speaker. this is aliased
as "rear". so in the case of aplay,
aplay foo.wav
=> front (or 4ch if "4ch Dup" switch is on)
aplay -Drear foo.wav
=> rear only
Takashi
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