[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:
ALSA:hw:CARD=PCH,DEV=7
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
/devices/pci0000:00/0000:00:1b.0/sound/card0/input4
[ 4.346438] input: HDA Intel PCH HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[ 4.346504] input: HDA Intel PCH Line as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 4.346564] input: HDA Intel PCH Rear Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 4.346619] input: HDA Intel PCH Line-Out as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input8
Steve.
On 10/07/12 21:26, Paul Wayper wrote:
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> 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
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> =polh
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