[mythtv-users] dvd iso playback problem

[Dan Littlejohn]

Just upgraded to .0.26 (p20130322) and am having an odd studdering / audio
issue with myth playing dvd isos.  tv recordings, avi, mpeg2, and bluray
recordings all play fine and if I use xine to play the dvd isos they also
plays fine.

On gentoo 3.7.10 kernel using a 430 nvidia card with the nvidia 313.30
driver.  The problem does not change when changing the video renderer from
vdpau, to normal, to opengl.  Using optical out and it seems like the
problem is related to something audio (using alsa 1.0.26-r1).  In myth, I
have audio set to (alsa:ie958:card=pch,dev=0).

The dvd isos are decrypted.  However, they are also available local to the
frontend on nfs although I am unsure if there is a setting to force them to
use this.

I have been through the logs and not sure why it seems to be alternating
like this between no channels and 6 channels.

2013-04-27 14:47:19.758873 I [2698/2959] Decoder avformatdecoder.cpp:2021
(ScanStreams) - AFD: codec AC3 has 0 channels
2013-04-27 14:47:19.759224 I [2698/2959] Decoder avformatdecoder.cpp:2163
(ScanStreams) - AFD: Opened codec 0xffffffffab679ce0, id(AC3) type(Audio)
2013-04-27 14:47:19.760275 W [2698/2959] Decoder avformatdecoder.cpp:2015
(ScanStreams) - AFD: Warning, audio codec 0xffffffffab679ce0 id(AC3) type
(Audio) already open, leaving it alone.
2013-04-27 14:47:19.760287 I [2698/2959] Decoder avformatdecoder.cpp:2021
(ScanStreams) - AFD: codec AC3 has 6 channels
2013-04-27 14:47:19.760305 I [2698/2959] Decoder avformatdecoder.cpp:2021
(ScanStreams) - AFD: codec AC3 has 0 channels
2013-04-27 14:47:19.760629 I [2698/2959] Decoder avformatdecoder.cpp:2163
(ScanStreams) - AFD: Opened codec 0xffffffffab66eae0, id(AC3) type(Audio)
2013-04-27 14:47:19.760658 N [2698/2959] Decoder audioplayer.cpp:167
(ReinitAudio) - AudioPlayer: Enabling Audio
2013-04-27 14:47:19.761669 W [2698/2959] Decoder avformatdecoder.cpp:2015
(ScanStreams) - AFD: Warning, audio codec 0xffffffffab679ce0 id(AC3) type
(Audio) already open, leaving it alone.
2013-04-27 14:47:19.761679 I [2698/2959] Decoder avformatdecoder.cpp:2021
(ScanStreams) - AFD: codec AC3 has 6 channels
2013-04-27 14:47:19.761695 W [2698/2959] Decoder avformatdecoder.cpp:2015
(ScanStreams) - AFD: Warning, audio codec 0xffffffffab66eae0 id(AC3) type
(Audio) already open, leaving it alone.
2013-04-27 14:47:19.761703 I [2698/2959] Decoder avformatdecoder.cpp:2021
(ScanStreams) - AFD: codec AC3 has 6 channels

Anyone have a tip to what else to check?

Dan
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