[mythtv-users] Continued sound issues

Damon Searle djsearle at netspace.net.au
Wed Jul 16 20:11:07 EDT 2003


I'm having the same problem (well almost). I was using OSS with my SB Live
value, but Mythtv 0.9 and 0.10 kept crashing, so I switched to ALSA. Now all
recordings/live tv only play through the right channel. Recording with
arecorder produces a stereo file.

> -----Original Message-----
> From: mythtv-users-bounces at snowman.net
> [mailto:mythtv-users-bounces at snowman.net]On Behalf Of Doug Miller
> Sent: Wednesday, 16 July 2003 8:17 AM
> To: Discussion about mythtv
> Subject: [mythtv-users] Continued sound issues
>
>
> I've done some more testing to see if I could narrow down my sound
> problem (left channel only).  I unmuted my line in on the sound card and
> I can hear the tv fine, in stereo.  I can play wav/mp3's fine, in
> stereo.  The problem is when I watch live tv, I am only getting sound
> out of the left channel.  When I tried aplay /dev/dsp tho, I get the
> following.
>
> myth root # aplay /dev/dsp
> Playing raw data '/dev/dsp' : Unsigned 8 bit, Rate 8000 Hz, Mono
> xrun!!! (at least 9.219 ms long)
> xrun!!! (at least 11.766 ms long)
> xrun!!! (at least 11.849 ms long)
> xrun!!! (at least 11.846 ms long)
> xrun!!! (at least 11.849 ms long)
> xrun!!! (at least 11.846 ms long)
> xrun!!! (at least 11.849 ms long)
> xrun!!! (at least 11.858 ms long)
> and on and on....
>
> 8000 hz mono eh?
> That seems to be my problem, only thing is, I am not sure what is
> causing that.  I know for certain that the input on the tv wonder is
> getting stereo, and I know for certain that it's being passed to the sb
> live in stereo, and when I unmute the line in (which is set for capture
> btw) it is coming out of my speakers in stereo.  My only problem is
> /dev/dsp is not right.  I am using the latest alsadrivers available thru
> portage (using emu10k1), and I also have alsa-oss emerged.
>
> I am running a 800p3, sb live value, ati tv wonder ve.
> I tried both the gentoo portage .10 myth, and the cvs from last night,
> didn't make a difference.
>
> I can see the picture fine when I watch live tv.
>
> here are some more configs..
> myth root # cat /etc/modules.d/bttv
> # i2c
> alias char-major-89     i2c-dev
> #options i2c-core        i2c_debug=1
> #options i2c-algo-bit    bit_test=1
>
> # bttv
> alias char-major-81     videodev
> alias char-major-81-0   bttv
> options bttv            card=64 radio=0
> options tuner           type=2
>
>
> my alsa config..some comments taken out to limit length
> myth root # cat /etc/modules.d/alsa
> # Alsa 0.9.X kernel modules' configuration file.
> # $Header:
> /home/cvsroot/gentoo-x86/media-sound/alsa-driver/files/alsa-module
> s.conf-rc,v
> 1.1 2002/12/21 06:31:52 agenkin Exp $
>
> # ALSA portion
> alias char-major-116 snd
> # OSS/Free portion
> alias char-major-14 soundcore
>
> ##  ALSA portion
> alias snd-card-0 snd-emu10k1
> ##  OSS/Free portion
> alias sound-slot-0 snd-card-0
>
>
> # OSS/Free portion - card #1
> alias sound-service-0-0 snd-mixer-oss
> alias sound-service-0-1 snd-seq-oss
> alias sound-service-0-3 snd-pcm-oss
> alias sound-service-0-8 snd-seq-oss
> alias sound-service-0-12 snd-pcm-oss
>
> alias /dev/mixer snd-mixer-oss
> alias /dev/dsp snd-pcm-oss
> alias /dev/midi snd-seq-oss
>
> # Set this to the correct number of cards.
> options snd cards_limit=1
>
> If there is anything else I should include, please let me know.  This
> problem is driving me crazy.  I had this same computer working fine
> about a month ago, until the harddrive crashed on me, and I had to
> reinstall everything.  I got used to pausing live tv, and now I am like
> a crack fiend without crack! PLEASE HELP!!!
>
>
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