[mythtv-users] OSS -vs- ALSA sound

[bstoneaz]

this is one reason to go with OSS over ALSA.
the sblive alsamixer settings are really really confusing

I was having unexplained audio pops with my old Live card with RH9, and
after spending too many calories on tweaking and upgrading ALSA, I tried OSS
and it fixed my popping problems, so it was a win-win for me.




----- Original Message ----- 
From: "Mike Davis" <mdavis at mi5key.com>
To: <mythtv-users at mythtv.org>
Sent: Thursday, September 25, 2003 8:09 PM
Subject: [mythtv-users] OSS -vs- ALSA sound


> I have an SB Live Value!, using OSS drivers. (ALSA won't work for some
> reason and I can't find the right settings for anything with ALSA) I can
> use mplayer to watch videos in and out of MythTV. Sound is fine, although
I
> have to turn the volume up on the PCM channel to hear it. XMMS plays ogg
> files fine.
>
> "cat wavefile.wav > /dev/dsp" produces noise.
>
> dd bs=8k count=4 < /dev/dsp(X)>sample.au
> cat sample.au >/dev/dsp(X) produces noise
>
> I am using btaudio, and when I start watching Live TV I get the raw feed
> from the cable so audio is behind video.
>
> I don't even know what questions to ask. I'm really stuck. From the output
> below, I should be using mixer0 as the mixer? Should I be using digital or
> analog from btaudio?
>
> from mysql:mythconverg
> AudioDevice | /dev/dsp2
> AudioOutputDevice | /dev/dsp
>
> dmesg...
> Creative EMU10K1 PCI Audio Driver, version 0.20a, 23:58:02 Sep 21 2003
> emu10k1: EMU10K1 rev 4 model 0x0020 found, IO at 0xdf80-0xdf9f, IRQ 5
> ac97_codec: AC97 codec, id: 0x5452:0x4103 (TriTech TR28023)
>
> btaudio: driver version 0.7 loaded [digital+analog]
> btaudio: Bt878 (rev 2) at 02:09.1, irq: 5, latency: 64, mmio: 0xf7eff000
> btaudio: using card config "default"
> btaudio: registered device dsp2 [digital]
> btaudio: registered device dsp3 [analog]
> btaudio: registered device mixer1
>
> cat /proc/driver/emu10k1/02:0a.0...
> Driver Version : 0.20a
> Card type : Emu10k1
> Revision : 4
> Model : 0x0020
> IO : 0xdf80-0xdf9f
> IRQ : 5
>
> Registered /dev Entries:
> /dev/dsp0
> /dev/dsp1
> /dev/mixer0
> /dev/midi0
>
> Thanks in advance for any help.
>
> Mike
>
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