[mythtv-users] Digital audio Capability grayed out

[James Abernathy]

On Thu, Jul 28, 2022 at 8:44 AM Michael T. Dean <mtdean at thirdcontact.com>
wrote:

> On 07/26/2022 08:54 PM, James Abernathy wrote:
> > I have v32 installed on a PC connected to an A/V receiver running
> > Endeavour OS. My audio is set up for HDMI 5.1 and both Plasma KDE
> > Audio mixer test and cli command "speaker-test" all work perfectly.
> >
> > However, In Mythfrontend -> Setup -> Audio Digital Audio Capabilities
> > is non functional. I cannot select it and the choice for Speaker
> > Configuration is Stereo only.
> >
> > What am I missing to enable the 5.1 audio?
> >
>
> My best guess--without any information, as you might be able to find in
> the logs--would be that you've selected the wrong "Audio output
> device".  Try others, even if the one you selected is the one that seems
> to work with speaker-test.
>
> Mike
>

I run mythfrontend -v audio and the log for my HDMI-1 is below.  What I
don't get is why it thinks the device only supports 2.0 instead of 5.1.
The OS clearly can use the 5.1 channels and So can test websites that have
5.1 test streams.

2022-07-28 09:08:20.087530 I  ALSA: OpenDevice hdmi:CARD=PCH,DEV=0
2022-07-28 09:08:20.088230 I  AOS: Sample rate 32000 is supported
2022-07-28 09:08:20.088235 I  AOS: Sample rate 44100 is supported
2022-07-28 09:08:20.088238 I  AOS: Sample rate 48000 is supported
2022-07-28 09:08:20.088240 I  AOS: Sample rate 88200 is supported
2022-07-28 09:08:20.088243 I  AOS: Sample rate 96000 is supported
2022-07-28 09:08:20.088245 I  AOS: Sample rate 176400 is supported
2022-07-28 09:08:20.088248 I  AOS: Sample rate 192000 is supported
2022-07-28 09:08:20.088250 I  AOS: Format signed 16 bit is supported
2022-07-28 09:08:20.088251 I  AOS: Format signed 32 bit is supported
2022-07-28 09:08:20.088257 I  AOS: 2 channel(s) are supported
2022-07-28 09:08:20.088262 I  AOS: 4 channel(s) are supported
2022-07-28 09:08:20.088266 I  AOS: 6 channel(s) are supported
2022-07-28 09:08:20.088270 I  AOS: 8 channel(s) are supported
2022-07-28 09:08:20.088375 I  ALSA: Successfully retrieved ELD data
2022-07-28 09:08:20.088382 I  ELDUTILS: Detected monitor DENON-AVRHD at
connection type HDMI
2022-07-28 09:08:20.088387 I  ELDUTILS: available speakers: FL/FR LFE FC
RL/RR RC RLC/RRC
2022-07-28 09:08:20.088388 I  ELDUTILS: max LPCM channels = 8
2022-07-28 09:08:20.088390 I  ELDUTILS: max channels = 8
2022-07-28 09:08:20.088392 I  ELDUTILS: supported codecs = LPCM, AC3, DTS,
DSD (One Bit Audio), E-AC3, DTS-HD, TrueHD
2022-07-28 09:08:20.088399 I  ELDUTILS: supports coding type LPCM: channels
= 8, rates = 32000 44100 48000 96000 176400 192000, bits = 16 20 24
2022-07-28 09:08:20.088403 I  ELDUTILS: supports coding type DTS: channels
= 6, rates = 44100 48000 96000 176400, max bitrate = 1536000
2022-07-28 09:08:20.088405 I  ELDUTILS: supports coding type AC3: channels
= 6, rates = 32000 44100 48000, max bitrate = 640000
2022-07-28 09:08:20.088408 I  ELDUTILS: supports coding type DTS-HD:
channels = 8, rates = 44100 48000 96000 176400 192000
2022-07-28 09:08:20.088410 I  ELDUTILS: supports coding type E-AC3:
channels = 8, rates = 44100 48000
2022-07-28 09:08:20.088413 I  ELDUTILS: supports coding type TrueHD:
channels = 8, rates = 44100 48000 96000 176400 192000
2022-07-28 09:08:20.088414 I  ELDUTILS: supports coding type DSD (One Bit
Audio): channels = 6, rates = 44100
2022-07-28 09:08:20.106297 I  AOBase: Killing AudioOutputDSP
2022-07-28 09:08:20.106299 I  AOBase: m_outputSettings !=
m_outputSettingsDigital : 0
2022-07-28 09:08:20.106300 I  AOBase: m_outputSettingsRaw !=
m_outputSettings 0
2022-07-28 09:08:20.106314 I  Found ALSA:hdmi:CARD=PCH,DEV=0 (HDA Intel
PCH, HDMI 0
HDMI Audio Output (DENON-AVRHD Connected to HDMI)
Device Supports Up to 2.0 (LPCM, AC3, DTS, DSD (One Bit Audio), E-AC3,
DTS-HD, TrueHD))

JIm A
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