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<div class="moz-cite-prefix">On 06/02/18 13:13, Jim Abernathy
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:98b47b55-f127-7501-a566-8b4215861974@gmail.com">
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charset=utf-8">
<p><br>
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<br>
<div class="moz-cite-prefix">On 02/05/2018 11:58 PM, Mitchell
Gore wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAGspLbGfn5ur5hOm8j6kfo8g=EPtKNnSymMiW3V7z55sFX_Vrw@mail.gmail.com">
<div dir="ltr">Hi,
<div><br>
</div>
<div>I upgraded my mythtv system to v 28 (regretfully) and
now cant get 5.1 audio over HDMI to work correctly. I am
running ubuntu 16.04 on a ECS Liva mini-pc. </div>
<div><br>
</div>
<div>Here is the audio setup:</div>
<div>
<div>**** List of PLAYBACK Hardware Devices ****</div>
<div>card 0: PCH [HDA Intel PCH], device 0: ALC282 Analog
[ALC282 Analog]</div>
<div> Subdevices: 1/1</div>
<div> Subdevice #0: subdevice #0</div>
<div>card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI
0]</div>
<div> Subdevices: 1/1</div>
<div> Subdevice #0: subdevice #0</div>
</div>
<div><br>
</div>
<div><br>
</div>
</div>
</blockquote>
<br>
I'm also running Ubuntu 16.04 on all my frontends. Most are
Intel NUC's with HDMI monitors. I've run them on v0.28 and
v29.1. On my Setup wizard I have selections for all the usual
audio stuff, but since I have HDMI, I also have alsa HDMI dev 0
and 1. I also have to change my Ubuntu Sound mixer to the same
HDMI if I want Kodi or VLC to work. I find that Mythtv setup
Speaker test with 5.1 had issues with v0.28, but it's fine in
v29.1.<br>
<br>
Not sure why you aren't seeing HDMI. I didn't do anything fancy
on my Ubuntu install or mythtv install.<br>
<br>
Jim A<br>
<br>
<blockquote type="cite"
cite="mid:CAGspLbGfn5ur5hOm8j6kfo8g=EPtKNnSymMiW3V7z55sFX_Vrw@mail.gmail.com">
<div dir="ltr">
<div>When i run test command:</div>
<div>
<div> speaker-test -c 6 -r 48000 -D hw:0,3</div>
</div>
<div> </div>
<div><br>
</div>
<div>i get white noise on center, rear right, rear left and
LFE. I get nothing on the front left and right
speakers. </div>
<div><br>
</div>
<div>In Mythtv I am selecting ALSA:hw:CARD=PCH,DEV=3 (tired
all options as well) and enabling 5.1 speakers and Dobly
Digital.</div>
<div><br>
</div>
<div>When i look at my Marantz amp i see dobly digital as
sound info as Dobly Digital.</div>
<div><br>
</div>
<div>also interestingly when i goto audio settings while
watching the command line i see:</div>
<div>
<div>ALSA lib pcm_dsnoop.c:545:(snd_pcm_dsnoop_open) The
dsnoop plugin supports only capture stream</div>
<div>ALSA lib pcm_dsnoop.c:545:(snd_pcm_dsnoop_open) The
dsnoop plugin supports only capture stream</div>
<div>2018-02-05 22:56:19.786346 E ALSA:
snd_pcm_open("dsnoop:CARD=PCH,DEV=0"): Invalid argument</div>
<div>2018-02-05 22:56:19.791330 E ALSA:
snd_pcm_open("dsnoop:CARD=PCH,DEV=3"): Invalid argument</div>
<div>ALSA lib pulse.c:243:(pulse_connect) PulseAudio:
Unable to connect: Connection refused</div>
<div><br>
</div>
<div>ALSA lib pcm_route.c:867:(find_matching_chmap) Found
no matching channel map</div>
<div>ALSA lib pcm_route.c:867:(find_matching_chmap) Found
no matching channel map</div>
<div>ALSA lib pcm_route.c:867:(find_matching_chmap) Found
no matching channel map</div>
<div>2018-02-05 22:56:20.022026 E ALSA:
snd_pcm_open("pulse"): Connection refused</div>
<div>2018-02-05 22:56:20.028381 E ALSA:
snd_pcm_open("surround21:CARD=PCH,DEV=0"): Invalid
argument</div>
<div>2018-02-05 22:56:20.063161 E ALSA:
snd_pcm_open("surround41:CARD=PCH,DEV=0"): Invalid
argument</div>
<div>2018-02-05 22:56:20.067783 E ALSA:
snd_pcm_open("surround50:CARD=PCH,DEV=0"): Invalid
argument</div>
<div>2018-02-05 22:56:20.206484 E PulseAudio:
ContextConnect, context connect failed: Connection
refused</div>
<div><br>
</div>
</div>
<div><br>
</div>
<div>I am at a complete loss on this one. Been using mythtv
since .20 and never had anything like this. Normally
sound either works or it doesnt. </div>
<div><br>
</div>
<div>Any suggestions?</div>
</div>
<br>
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</blockquote>
<br>
<br>
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</pre>
</blockquote>
<p>Are you using the 4.04 or 4.13 kernel with Ubuntu 16.04?</p>
<p>4.13 which very recently replaced 4.10 in the Ubuntu HWE has
definite issues with some HDMI (5.1) configurations, causing me
to revert to 4.04.</p>
<p>A bit of googling will show the issue.</p>
<p>Something changed in January, even 4.04 just sort of works.
'pavucontrol' shows my HDMI as unplugged but speaker test works
and myth does produce surround sound.</p>
<p>I don't think it is a mythtv fault.<br>
</p>
<p>Stereo works in both kernels.<br>
</p>
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