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<div class=Section1>
<p class=MsoPlainText>> -----Original Message-----<o:p></o:p></p>
<p class=MsoPlainText>> From: mythtv-users-bounces@mythtv.org
[mailto:mythtv-users-<o:p></o:p></p>
<p class=MsoPlainText>> bounces@mythtv.org] On Behalf Of Ashley Bostock<o:p></o:p></p>
<p class=MsoPlainText>> Sent: Monday, July 14, 2008 2:25 AM<o:p></o:p></p>
<p class=MsoPlainText>> To: Discussion about mythtv<o:p></o:p></p>
<p class=MsoPlainText>> Subject: Re: [mythtv-users] SPDIF audio drop-out
problems...<o:p></o:p></p>
<p class=MsoPlainText>> <o:p></o:p></p>
<p class=MsoPlainText>> 2008/7/14 jimsiff <jim@sifferle.net>:<o:p></o:p></p>
<p class=MsoPlainText>> ><o:p></o:p></p>
<p class=MsoPlainText>> > I'm having problems with my SPDIF connection to
my receiver. When I watch<o:p></o:p></p>
<p class=MsoPlainText>> > DVDs, archived videos, and rarely Live and
Recorded TV in Myth, I get random<o:p></o:p></p>
<p class=MsoPlainText>> > audio drop outs. I can see my receiver
switching from DD5.1 to DPLII if the<o:p></o:p></p>
<p class=MsoPlainText>> > signal drops for longer than a few seconds.<o:p></o:p></p>
<p class=MsoPlainText>> ><o:p></o:p></p>
<p class=MsoPlainText>> > I'm running Mythbuntu 8.04. I'm using a
Biostar TN720 mobo w/ AMD 5000+, a<o:p></o:p></p>
<p class=MsoPlainText>> > SPDIF header adapter mounted to an expansion
slot cover, and a Blue Jeans<o:p></o:p></p>
<p class=MsoPlainText>> > Cable 6' 75 ohm coax digital audio cable
connected to a Pioneer VSX-54TX<o:p></o:p></p>
<p class=MsoPlainText>> > receiver. I don't think the SPDIF
connection is bad, because if I swtich<o:p></o:p></p>
<p class=MsoPlainText>> > xine to use stereo over SPDIF instead of AC3
DD5.1, audio is clean.<o:p></o:p></p>
<p class=MsoPlainText>> ><o:p></o:p></p>
<p class=MsoPlainText>> > Any help, tips, or troubleshooting rsources
would be greatly appreciated.<o:p></o:p></p>
<p class=MsoPlainText>> > This is driving me nuts, and I won't cancel
DirecTV until the audio glitches<o:p></o:p></p>
<p class=MsoPlainText>> > are cleaned up.<o:p></o:p></p>
<p class=MsoPlainText>> ><o:p></o:p></p>
<p class=MsoPlainText>> > Thanks,<o:p></o:p></p>
<p class=MsoPlainText>> ><o:p></o:p></p>
<p class=MsoPlainText>> > Jim<o:p></o:p></p>
<p class=MsoPlainText>> > --<o:p></o:p></p>
<p class=MsoPlainText>> <o:p></o:p></p>
<p class=MsoPlainText>> If memory serves me well I think it happens if you
have enabled the<o:p></o:p></p>
<p class=MsoPlainText>> extra sound card buffering option.<o:p></o:p></p>
<p class=MsoPlainText>> <o:p></o:p></p>
<p class=MsoPlainText>> Ash<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><span style='color:black'>Ash,<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoPlainText><span style='color:black'>Thanks for the tip. I disabled
extra sound card buffering, and the problem improved from unbearable to
annoying. I still get drop outs every minute or so. My frontend
logs have some errors that may be related to the problem.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><span
style='color:black'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:black'>Myth found a 5.1 AC3
track, plus four 2.0 tracks. Is that normal for a DVD rip?<o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><span
style='color:black'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:black'>“Mixer unable to
find control Master 1” - ALSA Mixer can’t find any 5.1 or 2.0
Master controls<o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><span
style='color:black'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:black'>“WriteAudio:
buffer underrun” - (only twice)<o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><span
style='color:black'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:black'>“AddAudioData():p1:
Audio buffer overflow, audio data lost!” – this occurs every 5-15
ms until I stop watching the video.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'><br>
Hopefully somebody will have some more things to try. I’m at a loss
on this one.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoPlainText><span style='color:black'>Thanks!<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.264 TV:
Attempting to change from None to WatchingPreRecorded<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.472 AFD:
Opened codec 0x976a240, id(MPEG2VIDEO) type(Video)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.472 AFD:
Opened codec 0x82e1250, id(DVD_SUBTITLE) type(Subtitle)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.472 AFD:
Opened codec 0x82e15d0, id(DVD_SUBTITLE) type(Subtitle)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.472 AFD:
Opened codec 0x849c9f0, id(DVD_SUBTITLE) type(Subtitle)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.473 AFD:
Opened codec 0x849cd70, id(DVD_SUBTITLE) type(Subtitle)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.473 AFD:
codec AC3 has 6 channels<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.474 AFD:
Opened codec 0x8393c60, id(AC3) type(Audio)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.474 AFD:
codec AC3 has 2 channels<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.475 AFD:
Opened codec 0x8393fe0, id(AC3) type(Audio)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.476 AFD:
codec AC3 has 2 channels<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.477 AFD:
Opened codec 0x851a5f0, id(AC3) type(Audio)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.477 AFD:
codec AC3 has 2 channels<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.478 AFD:
Opened codec 0x84e3940, id(AC3) type(Audio)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.478 AFD:
codec AC3 has 2 channels<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.480 AFD:
Opened codec 0x8321460, id(AC3) type(Audio)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.488 Opening
audio device 'plughw:0,1'. ch 6(2) sr 48000<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.488 Opening
ALSA audio device 'plughw:0,1'.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 Mixer
unable to find control Master 1<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 Mixer
unable to find control Master 2<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 Mixer
unable to find control Master 3<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 Mixer
unable to find control Master 4<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 Mixer
unable to find control Master 5<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.507 mixer
unable to find control Master 1<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.530 Opening
audio device 'plughw:0,1'. ch 2(2) sr 48000<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.530 Opening
ALSA audio device 'plughw:0,1'.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.546 Mixer
unable to find control Master 1<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.547 mixer
unable to find control Master 1<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.683 DPMS
Deactivated<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.692
VideoOutputXv: XVideo Adaptor Name: 'NV17 Video Texture'<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:22.781 OSD
Theme Dimensions W: 640 H: 480<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.398 TV:
Changing from None to WatchingPreRecorded<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.402 The
realtime priority setting is not enabled.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.501
OpenGLVideoSync()<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.546 Video
timing method: SGI OpenGL<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.715
WriteAudio: buffer underrun<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:23.722
WriteAudio: buffer underrun<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:28.436 NVP:
prebuffering pause<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:30.315
NVP::AddAudioData():p1: Audio buffer overflow, audio data lost!<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:30.321
NVP::AddAudioData():p1: Audio buffer overflow, audio data lost!<o:p></o:p></span></p>
<p class=MsoPlainText><span style='color:black'>2008-07-15 20:50:30.321
NVP::AddAudioData():p1: Audio buffer overflow, audio data lost!<o:p></o:p></span></p>
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