Debugging mythfrontend audio problems "mythfrontend --verbose audio"

[mythtv] ALSA in mythtv not working: "running mythfrontend w/ --verbose audio"

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When playing a recording you should see these mythfrontend msgs:

2005-04-22 02:24:39.855 Stream #1 (audio track #0) is an audio stream with 2 channels.
2005-04-22 02:24:39.857 Auto-selecting AC3 audio track (stream #1).
2005-04-22 02:24:39.858 Initializing audio parms from audio track #0.
2005-04-22 02:24:40.062 Killing AudioOutputDSP
2005-04-22 02:24:40.064 Opening audio device 'iec958'.
2005-04-22 02:24:40.068 in SetParameters(format=2, channels=2, rate=48000, buffer_time=500000, period_time=125000)

Note, in this case, the audio device is ALSA:iec958, which is defined by my /root/.asoundrc file.