[mythtv-users] RE: nForce4 Audio on FC4, it plays some of the time...

Fri, 04 Nov 2005 07:09:16 -0800

Well I tried your start up script and your .asoundrc file and it didn't see to work.
 
I think I am missing something from the start up script. When KDE boots up the optical port on the MOBO won't light up until I open gamixer and turn on the IEC958 Playback button. After I check that box, the optical fires right up. I just need to determine the setting that is changing and add it to the start up script.
 
So I tried booting into KDE without doing anything other then using the scripts you provided and when I go into MythFrontEnd and set the device to "ASLA:digital" and enable AC3 through the SPDIF, when I try MythMusic, It can't open the device (See the log below). I get the same result with enabling the IEC958 Playback button before going into the front end as well. The "digital" device isn't found.
 
I will have some time to play with it this weekend, so I might figure something out, I am sure it is something silly. Silly yet frustrating..
 
FrontEnd Log:
 
 2005-11-03 22:52:23.073 New DB connection, total: 1
Total desktop width=1280, height=720, numscreens=1
2005-11-03 22:52:23.079 Using screen 0, 1280x720 at 0,0
2005-11-03 22:52:23.081 mythfrontend version: 0.18.1.20050523-1 www.mythtv.org
2005-11-03 22:52:23.081 Enabled verbose msgs : important general
2005-11-03 22:52:23.612 Switching to square mode (visor)
mythtv: could not connect to socket
mythtv: No such file or directory
lirc_init failed for mythtv, see preceding messages
2005-11-03 22:52:23.853 Joystick disabled.
2005-11-03 22:52:23.932 Registering Internal as a media playback plugin.
2005-11-03 22:52: 23.999 Registering MythDVD DVD Media Handler as a media handler
2005-11-03 22:52:24.000 Registering MythDVD VCD Media Handler as a media handler
2005-11-03 22:52:24.430 Registering MythMusic Media Handler as a media handler
SIP listening on IP Address 192.168.1.50:5060 NAT address 192.168.1.50
SIP: Cannot register; proxy, username or password not set
2005-11-03 22:52: 25.418 Starting media monitor.
2005-11-03 22:52:44.960 Connecting to backend server:
192.168.1.50:6543 (try 1 of 5)
2005-11-03 22:52:44.973 Using protocol version 15
2005-11-03 22:52: 50.221 New DB connection, total: 2
2005-11-03 22:52:50.226 New DB connection, total: 3
XMLParse::LoadTheme(): Can't open: /usr/share/mythtv/themes/visor/music-ui.xml
XMLParse::LoadTheme(): Using default theme file
2005-11-03 22:52:51.799 Opening audio device 'digital'.
2005-11-03 22:52:51.817 snd_pcm_open(digital): No such file or directory
 

------------------------------

Message: 4
Date: Wed, 2 Nov 2005 22:44:24 -0700
From: "James C. Dastrup" < [EMAIL PROTECTED]>
Subject: RE: [mythtv-users] RE: nForce4 Audio on FC4,   it plays some of
       the time....
To: "Discussion about mythtv" < mythtv-users@mythtv.org>
Message-ID: < [EMAIL PROTECTED]>
Content-Type: text/plain; charset="iso-8859-1"

Sorry about that, should be fixed now.  Just in case you still can't get it, here's the script in my KDE startup folder:

#alsafix.sh
sleep 5
amixer set 'Headphone Jack Sense' off
amixer set 'Master' 100% on
amixer set 'PCM' 100% on
amixer set 'Line' off
amixer set 'IEC958' on
amixer set 'IEC958 Playback AC97-SPSA' 100%

And here's my .asoundrc

# .asoundrc
# Override the default output used by ALSA.
# If you do not override the default, your default
# device is identical to the (unmixed) analog device
# shown below.  If you prefer mixed and/or digital
# output, uncomment the appropriate four lines below
# (only one slave.pcm line).
#pcm.!default {
#  type plug
## Uncomment the following to use mixed analog by default
#  slave.pcm "dmix-analog"
## Uncomment the following to use unmixed digital by default
#  slave.pcm "digital-hw"
## Uncomment the following to use mixed digital by default
#  slave.pcm "dmix-digital"
#}

# Alias for analog output on the nForce2/4 (hw:0,0)
# - This is identical to the device named "default"--which
# always exists and refers to hw:0,0 (unless overridden)
# - Therefore, we can specify "hw:0,0", "default", or "analog"
# to access analog output on the nForce2/4
pcm.analog {
type plug
slave.pcm "analog-hw"
}

# Control device (mixer, etc.) for the nForce2 card
ctl.analog {
type hw
card 0
}

# Alias for (rate-converted) mixed analog output on the
# nForce2 (hw:0,0)
#  - This will accept audio input--regardless of rate--and
# convert to the rate required for the dmix plugin
# (in this case 48000Hz)
pcm.mixed-analog {
type plug
slave.pcm "dmix-analog"
}

# Control device (mixer, etc.) for the nForce2 card
ctl.mixed-analog {
type hw
card 0
}

# Alias for (rate-converted) digital (S/PDIF) output on the
# nForce2 (hw:0,2)
#  - This will accept audio input--regardless of rate--and
# convert to the rate required for the S/PDIF hardware
# (in this case 48000Hz)
pcm.digital {
type plug
slave.pcm "digital-hw"
}

# Control device (mixer, etc.) for the nForce2 card
ctl.digital {
type hw
card 0
}

# Alias for mixed (rate-converted) digital (S/PDIF) output on the
# nForce2/4 (hw:0,2)
#  - This will accept audio input--regardless of rate--and
# convert to the rate required for the S/PDIF hardware
# (in this case 48000Hz)
pcm.mixed-digital {
type plug
slave.pcm "dmix-digital"
}

# Control device (mixer, etc.) for the nForce2 card
ctl.mixed-digital {
type hw
card 0
}

# The following devices are not useful by themselves.  They
# require specific rates, channels, and formats.  Therefore,
# you probably do not want to use them directly.  Instead use
# of of the devices defined above.

# Alias for analog output on the nForce2 (hw:0,0)
# Do not use this directly--it requires specific rate,
# channels, and format
pcm.analog-hw {
type hw
card 0
# The default value for device is 0, so no need to specify
}

# Control device (mixer, etc.) for the nForce2/4 card
ctl.analog-hw {
type hw
card 0
}

# Alias for digital (S/PDIF) output on the nForce2/4 (hw:0,2)
# Do not use this directly--it requires specific rate,
# channels, and format
pcm.digital-hw {
type hw
card 0
device 4
}

# Control device (mixer, etc.) for the nForce2/4 card
ctl.digital-hw {
type hw
card 0
}

# Direct software mixing plugin for analog output on
# the nForce2/4 (hw:0,0)
# Do not use this directly--it requires specific rate,
# channels, and format
pcm.dmix-analog {
type dmix
ipc_key 1234
slave {
  pcm "analog-hw"
  period_time 0
  period_size 1024
  buffer_size 4096
  rate 48000
}
}

# Control device (mixer, etc.) for the nForce2/4 card
ctl.dmix-analog {
type hw
card 0
}

# Direct software mixing plugin for digital (S/PDIF) output
# on the nForce2/4 (hw:0,2)
# Do not use this directly--it requires specific rate,
# channels, and format
pcm.dmix-digital {
type dmix
ipc_key 1235
slave {
  pcm "digital-hw"
  period_time 0
  period_size 1024
  buffer_size 4096
  rate 48000
}
}

# Control device (mixer, etc.) for the nForce2/4 card
ctl.dmix-digital {
type hw
card 0
}

________________________________

From: [EMAIL PROTECTED] on behalf of Jason Sharpe
Sent: Wed 11/2/2005 10:37 PM
To: mythtv-users@mythtv.org
Subject: [mythtv-users] RE: nForce4 Audio on FC4,it plays some of the time....



       ------------------------------

       Message: 15
       Date: Wed, 2 Nov 2005 14:12:43 -0700
       From: "James C. Dastrup" < [EMAIL PROTECTED]>
       Subject: RE: [mythtv-users] nForce4 Audio on FC4, it plays some of the
              time....
       To: "Discussion about mythtv" < mythtv-users@mythtv.org <mailto: mythtv-users@mythtv.org> >
       Message-ID: <[EMAIL PROTECTED] >
       Content-Type: text/plain; charset="iso-8859-1"

       I had a very similar problem. I was finally able to figure out that KDE was messing with my alsa settings everytime it started, even when I told it not to. You can test this by opening up alsamixer and while your audio is playing, mess with the settings until you hear something.  I solved this problem by simply putting a script in KDE's /.Autostart folder, so after KDE starts, my mixer settings go back to the way I want them.  You can find more detail at http://www.dastrup.com/template_mythtv.asp and look in the Audio section.


Thanks James for replying,

I took your suggestions and tried messing with alsamixer while playing something, I never heard audio no matter what I tweaked.

I looked at your site and was going to look at your script and your .asoundrc, however I can't get to your FTP site. It just times out when I try to visit the FTP links. I tried from both work and home and I can't get to them.

The program that opens by default when I double click the .au file is "Noatun". I can play the file all day long and it will sound just fine, however aplay still won't create audio.

Just for kicks I disabled the sound system in the KDE Control Center and rebooted, I was still able to play the sound from Noatun, but not with aplay.

Can you email me the scripts that you link to in the audio section of your website?

Thanks

Jason
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