I am trying to get mythtv woking on amd64 (gentoo box). Everything works
ok excepte sound :(. When I try to watch tv with mythfrontend I get
  unable to create AudioOuput

mplayer works with with wav files but I can't get sound to work when I
try to watch tv:

mplayer /dev/video0
mplayer works with some short mp3 files but in most cases just just
freezes with no sound and without any error messag:
Code:
$ mplayer test.mp3
MPlayer dev-CVS-060217-05:46-3.4.3 (C) 2000-2006 MPlayer Team
CPU: Advanced Micro Devices  (Family: 15, Stepping: 0)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.


91 audio & 206 video codecs
Setting up LIRC support...
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support.
You will not be able to use your remote control.
Playing test.mp3.
Audio file file format detected.
Clip info:
 Title: 4- Concerto Grosso in G+ a Cor
 Artist: Geminiani
 Album: Tafelmusik
 Year:
 Comment:
 Track: 30
 Genre: Classical
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
alsa-init: 1 soundcard found, using: default
ALSA lib timer_hw.c:269:(snd_timer_hw_open) extended read is not
supported (SNDRV_TIMER_IOCTL_TREAD)
alsa: 44100 Hz/2 channels/4 bpf/60208 bytes buffer/Signed 16 bit Little
Endian
AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A:   0.0 (unknown) of 79.0 (01:19.0) ??,?%

alsa setup went without a glitch. alsaconf reports nVidia Corporation
nForce 250Gb AC'97 Audio Controller and loads snd-intel8x0.
Code:
$ lsmod
Module                  Size  Used by
snd_seq                56320  0 
snd_seq_device          8528  1 snd_seq
snd_intel8x0           32616  0 
snd_ac97_codec        104024  1 snd_intel8x0
snd_ac97_bus            2880  1 snd_ac97_codec
snd_pcm                87560  2 snd_intel8x0,snd_ac97_codec
snd_timer              22728  2 snd_seq,snd_pcm
snd                    50768  6
snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_page_alloc         10320  2 snd_intel8x0,snd_pcm
saa7127                14108  0 
saa7115                16280  0 
ivtv                  206676  0 
nvidia               4053308  12 



Here is my hardware setup:
K8N4-E DELUXE motherboard with Realtek ALC850 audio chipset, AMD Athlon
64 3400, WinTV PVR-350

Any help greatly appreciated.

Piotr


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