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crust · (This post was last modified: 2011-03-02, 21:13 by crust.)

I am running ubuntu 10.10, the latest version of xbmc on a zotac hd-11. I've compiled the alsa drivers and very often things work as expected.

However, on occasion, I will find that when I play a video or audio track the "failed to initialize audio ..." message pops up. When I go to the system/audio settings, I find that they have changed from what I had previously setup. I have an image of the clean working system so I was able to compare the image with the current settings and found the following. These are the relevant differences in the guisettings.xml. The lines with the "-" in front are the working lines and the "+" is the changed lines that now cause it to fail. I do not know how or why they get changed. The only things I did are suspend/wake and try to watch a video. A reboot does not fix it. Reloading the working image does fix the problem. Is there some option I need to change to force it to the hdmi line? Or is this happening b/c the device is misbehaving after a suspend/wake.

Code:
@@ -1094,7 +1094,7 @@

     </audiocds>

     <audiooutput>

         <ac3passthrough>true</ac3passthrough>

-        <audiodevice>alsa:hdmi:CARD=NVidia</audiodevice>

+        <audiodevice>alsa:Defaults:CARD=NVidia</audiodevice>

         <channellayout>7</channellayout>

         <customdevice></customdevice>

         <custompassthrough></custompassthrough>

@@ -1102,7 +1102,7 @@

         <dtspassthrough>true</dtspassthrough>

         <mode>2</mode>

         <passthroughaac>false</passthroughaac>

-        <passthroughdevice>alsa:hdmi:CARD=NVidia</passthroughdevice>

+        <passthroughdevice>alsa:hdmi</passthroughdevice>

         <passthroughmp1>false</passthroughmp1>

         <passthroughmp2>false</passthroughmp2>

         <passthroughmp3>false</passthroughmp3>

Relevant part of the error log ... I see the problem it is complaining about, but not sure how to remedy it.

Code:
40:07 T:3054864256 M:1994010624   ERROR: GLX: Same window as before, refreshing context

40:08 T:3054864256 M:1990823936  NOTICE: HAL: Generating global device list

40:08 T:3054864256 M:1990823936  NOTICE: HAL: Trying to mount Volume (vfat)

40:08 T:3054864256 M:1990823936  NOTICE: HAL: Mounting /org/freedesktop/Hal/devices/volume_uuid_A88D_4870 (UUID A88D-4870 | FileSys

tem vfat | HotPlugged YES | Type 0 |Approved YES ) at removable disk with umask=18

40:09 T:3054864256 M:1990447104  NOTICE: start dvd mediatype detection

40:09 T:3054864256 M:1990447104  NOTICE: initializing playlistplayer

40:09 T:3054864256 M:1990447104  NOTICE: DONE initializing playlistplayer

40:09 T:3054864256 M:1985875968   ERROR: Unable to open audio mixer

40:09 T:3054864256 M:1985875968  NOTICE: initialize done

40:09 T:3054864256 M:1985875968  NOTICE: Running the application...

40:09 T:3054864256 M:1985875968  NOTICE: ES: Starting event server

40:09 T:3054864256 M:1985875968  NOTICE: DS: Starting dbus server

40:09 T:3033197424 M:1985875968  NOTICE: ES: Starting UDP Event server on 127.0.0.1:9777

40:09 T:3033197424 M:1985748992  NOTICE: UDP: Listening on port 9777

40:09 T:3054864256 M:1985748992   ERROR:  DS: Failed to connect to the D-Bus session daemon: Empty address ''

40:09 T:3054864256 M:1985748992  NOTICE: starting zeroconf publishing

40:59 T:3054864256 M:1975046144   ERROR: PulseAudio: Waited for the Context but it failed

40:59 T:3054864256 M:1975046144   ERROR: PulseAudio: Failed to create context

40:59 T:3054864256 M:1974919168   ERROR: PulseAudio: Waited for the Context but it failed

40:59 T:3054864256 M:1974919168   ERROR: PulseAudio: Failed to create context

41:04 T:3054864256 M:1974833152   ERROR: PulseAudio: Waited for the Context but it failed

41:05 T:3054864256 M:1974833152   ERROR: PulseAudio: Failed to create context

41:05 T:3054864256 M:1974833152   ERROR: PulseAudio: Waited for the Context but it failed

41:05 T:3054864256 M:1974833152   ERROR: PulseAudio: Failed to create context

41:07 T:3054864256 M:1974833152   ERROR: PulseAudio: Waited for the Context but it failed

41:07 T:3054864256 M:1974833152   ERROR: PulseAudio: Failed to create context

41:07 T:3054864256 M:1974833152   ERROR: PulseAudio: Waited for the Context but it failed

41:07 T:3054864256 M:1974833152   ERROR: PulseAudio: Failed to create context

42:03 T:3054864256 M:1967992832  NOTICE: DVDPlayer: Opening: smb://CRUST/shared_media/tv_shows/kitchen.nightmares.us.s04e03.ws.pdtv.xvid-shotv.avi

42:03 T:3054864256 M:1967992832 WARNING: CDVDMessageQueue(player)::Put MSGQ_NOT_INITIALIZED

42:03 T:2987830128 M:1967992832  NOTICE: Creating InputStream

42:03 T:2987830128 M:1967992832  NOTICE: Creating Demuxer

42:09 T:2987830128 M:1958481920  NOTICE: Opening video stream: 0 source: 256

42:09 T:2987830128 M:1958481920  NOTICE: Creating video codec with codec id: 13

42:10 T:2987830128 M:1958096896  NOTICE: CDVDVideoCodecFFmpeg::Open() Using codec: MPEG-4 part 2

42:10 T:2987830128 M:1958096896  NOTICE: Creating video thread

42:10 T:2987830128 M:1958096896  NOTICE: Opening audio stream: 1 source: 256

42:10 T:2987830128 M:1958096896  NOTICE: Finding audio codec for: 86017

42:10 T:2987830128 M:1958096896  NOTICE: Creating audio thread

42:10 T:2447629168 M:1958096896  NOTICE: running thread: CDVDPlayerAudio::Process()

42:10 T:2456021872 M:1958096896  NOTICE: running thread: video_thread

42:10 T:2447629168 M:1957335040  NOTICE: Creating audio device with codec id: 86017, channels: 2, sample rate: 48000, no pass-through

42:10 T:2447629168 M:1957335040   ERROR: Initialize - pcm_open_lconf, alsa error: -2 - No such file or directory

42:10 T:2447629168 M:1957208064   ERROR: Unable to open audio mixer

42:10 T:2447629168 M:1957081088   ERROR: Creating a Null Audio Renderer, Check your audio settings as this should not happen

42:10 T:2456021872 M:1956192256  NOTICE:  fps: 23.976000, pwidth: 624, pheight: 352, dwidth: 624, dheight: 352

42:10 T:2456021872 M:1956192256  NOTICE: Display resolution DESKTOP : 1366x768 @ 50.00 - Full Screen (12)

42:10 T:3054864256 M:1951682560  NOTICE: Using GL_TEXTURE_2D

**bobo1on1** · (This post was last modified: 2011-03-02, 21:15 by bobo1on1.)

You should use the custom audio device setting instead.
If the "alsa:hdmi:CARD=NVidia" is a default from XBMC, it's possible that you have multiple audio devices and that they're in a random order at boot.

crust · 2011-03-03, 05:19

Well, I've tried a couple of things but so far I have not gotten the sound to work. using aplay -l I see my nvidia audio at card 1, device 3

From reading it seems I might need to setup /etc/asound.conf further, but I am not sure what to put in it. This is the contents of the file I've been using (this one has worked for HDMI audio). I've also edited /etc/pulse/default.pa to give me menu sounds and they also work(ed).

Code:
pcm.!default hdmi:NVidia

pcm:iec958 hdmi:NVidia

crust · 2011-03-03, 17:03

Ok, another update .... I've figured out the custom audio device and using plughw:0,3 makes everything work consistently. The problem I have now is that the channels don't map correctly. I have a 7.1 receiver with 5.1 speakers. I would have thought that the mapping wouldn't matter since the digital tracks (for movies and so on) are passed straight through to the receiver. However, I tried playing an AC3 audio track and the entire right side did not work. I had the center, left front, and right front come out of the left rear, center, and left front.

Any tips?
Thanks