More > JRiver Media Center 24 for Linux
No Sound on any zone (except the default player) from MC24 Ubuntu 16 & 18
bob:
--- Quote from: percy on May 30, 2018, 11:03:29 am ---I started MC24 and did as you requested.
I selected a Xonar output (bureau) and requested a FLAC 44.1 file to play
--- End quote ---
Interesting, it's failing because the device says the number of channels (2) isn't available.
BryanC:
ALSA does not have a mixer. It's very likely something else is playing to your devices. Try shutting down browsers, old versions of MC, or any other program that could possibly be using your sound devices. If you have Pulse installed, check its mixer after you've done this to see if anything else is using it.
Using the alsa plugin for pulseaudio may allow you to switch outputs via MC zones as opposed to using the built-in mixer.
percy:
There are no browsers running at all (as far as I know).
I never run MC23 when I start MC24. (At first MC23 was not even installed on this version of Ubuntu, only MC24).
As you can see, when MC24 is not running all audio devices are available
--- Code: --- /usr/lib/jriver/Media\ Center\ 24/alsacap
*** Scanning for playback devices ***
Card 0, ID `HDMI', name `HDA Intel HDMI'
Device 3, ID `HDMI 0', name `HDMI 0', 1 subdevices (1 available)
2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
Sample formats: S16_LE, S32_LE, IEC958_SUBFRAME_LE
Subdevice 0, name `subdevice #0'
Device 7, ID `HDMI 1', name `HDMI 1', 1 subdevices (1 available)
2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
Sample formats: S16_LE, S32_LE, IEC958_SUBFRAME_LE
Subdevice 0, name `subdevice #0'
Device 8, ID `HDMI 2', name `HDMI 2', 1 subdevices (1 available)
2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
Sample formats: S16_LE, S32_LE, IEC958_SUBFRAME_LE
Subdevice 0, name `subdevice #0'
Card 1, ID `PCH', name `HDA Intel PCH'
Device 0, ID `ALC1150 Analog', name `ALC1150 Analog', 1 subdevices (1 available)
2..8 channels, sampling rates 44100, 48000, 96000, 192000 Hz
Sample formats: S16_LE, S32_LE
Subdevice 0, name `subdevice #0'
Device 1, ID `ALC1150 Digital', name `ALC1150 Digital', 1 subdevices (1 available)
2 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 192000 Hz
Sample formats: S16_LE, S32_LE
Subdevice 0, name `subdevice #0'
Card 2, ID `STH6', name `Xonar ST+H6'
Device 0, ID `Multichannel', name `Multichannel', 1 subdevices (1 available)
2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
Sample formats: S16_LE, S32_LE
Subdevice 0, name `subdevice #0'
Device 1, ID `Digital', name `Digital', 1 subdevices (1 available)
2 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
Sample formats: S16_LE, S32_LE
Subdevice 0, name `subdevice #0'
--- End code ---
Can I uninstall pulseaudio from the system, does MC not need it?
--- Code: ---sudo apt remove --purge pulseaudio
--- End code ---
(MC is the only thing I use this server for. It is the dedicated music server of my home. It delivers music through his onboard soundcard (Motherboard + Asus Xonar) via a 12 channel amplifier and some DLNA DAC's (which do not function either with MC24).
"pavucontrol" is not installed on my system.
BryanC:
Some programs depend on it so I wouldn't uninstall it. And in all honesty it's transcended its reputation at this point and works pretty well as a set-it-and-forget-it daemon. Not sure what your issue could be unfortunately.
percy:
Yes it is extremely strange as MC 23 works perfectly on the same PC with the same OS and the same configuration.
also (as mentioned before) when selecting "player" as zone (the only one I do never use ), the one that uses default [ALSA] through pulse audio server, that seems to work. Of course no sound is emerging from anywhere but MC does not report any error and the information in the MC indicates the track (or Internet Radio station) is playing normally.
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