[clug] MythTV backend uncommunicative

Stephen Gibson Stephen.Gibson at anu.edu.au
Tue Jul 10 05:48:41 MDT 2012

Note, nothing clever on my part, I am pretty sure that the audio was 
automagically detected with the mythtv wizard.

Mythfrontend audio:


no digital component items

Speaker config: Stereo

HDMI connected to TV.

This system is ASRock H61M/U3S2

dmesg | grep sound
[    4.346365] input: HDA Intel PCH HDMI/DP,pcm=7 as 
[    4.346438] input: HDA Intel PCH HDMI/DP,pcm=3 as 
[    4.346504] input: HDA Intel PCH Line as 
[    4.346564] input: HDA Intel PCH Rear Mic as 
[    4.346619] input: HDA Intel PCH Line-Out as 


On 10/07/12 21:26, Paul Wayper wrote:
> Hash: SHA1
> On 09/07/12 08:20, Stephen Gibson wrote:
>> Sound via HDMI does work. Let me know if you need the settings.
> It used to work for me using the Nouveau drivers but on the Ion they are
> simply not fast enough to do high def video decoding.  Even at standard def
> they produced a lot of tearing in the middle of the screen, most noticeable in
> pan shots.  I installed the NVidia drivers and they solved that; but then HDMI
> sound wouldn't work.
> The sound controls in MythTV indicate that the front end has a ALSA:hdmi
> device that it can put sound to.  This also indicates that it can take a
> variety of digital inputs - e.g. Dolby DTS.  I've tried turning all those off,
> all on and only Dolby DTS on; no sound comes out of the TV in any of those
> configurations.  The standard ALSA analogue audio, and the PulseAudio output,
> work - but they output to the standard audio output, not the HDMI.
> What have you done with your config, Steve?
> (Posting to the list in the hopes that some edification results).
> Have fun,
> Paul
> Version: GnuPG v1.4.11 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/
> XJUAnRHlxnQAfw3h4UC+pr/t6WIcFr8z
> =polh

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