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SOLVED.
TL;DR: RaspPi 4B has two micro-HDMI, only the one closest to power plug does sound by default (HDMI 0). Both can show display, but only one has sound. I had to move my cable and reboot.
Things I tried that were likely unnecessary:
sudo apt update && sudo apt dist-upgrade sudo apt remove kodi kodi-bin kodi-data kodi-repository-kodi sudo apt install kodi sudo apt autoremove sudo rpi-eeprom-update sudo reboot sudo rpi-eeprom-update -a sudo reboot sudo rpi-eeprom-updateCurrently have player set to
sysdefault - bcm2834 HDMI 1and Audio Output at default – I had set it to „force HDMI“ but it seems to have reverted on boot. sysdefault counts from 1, its „HDMI 1“ is HDMI 0 and its „HDMI 2“ is HDMI 1.Debug for good measure, in case others run into this. Choosing the right port should be sufficient though. D’oh.
#### SQUEEZELITE VERSION #### Squeezelite Max2Play v1.0.3 based on v1.8.7-999, Copyright 2012-2015 Adrian Smith, 2015-2017 Ralph Irving. #### SQUEEZELITE BUILDOPTIONS #### Build options: LINUX ALSA EVENTFD RESAMPLE FFMPEG VISEXPORT IR GPIO DSD CONTROLSBS ALSASYNC BLUETOOTHSYNC #### AUDIOPLAYER CONFIG #### ### Configuration of Audioplayers SQUEEZELITE_PARAMETER=-o sysdefault:CARD=b1 -a 80:4:: -v SQUEEZESLAVE_PARAMETER=-n plugequal SHAIRPORT_PARAMETER=-d plug:jack USE_USB_DAC=0 USE_EQUALIZER=0 SYSTEM_USER=pi GMEDIARENDERER_ALSA_DEVICE=plug:jack #### SQUEEZELITE -l #### Output devices: null - Discard all samples (playback) or generate zero samples (capture) jack - JACK Audio Connection Kit pulse - PulseAudio Sound Server equal plugequal - Equalizer for plughw:0,0 bluetooth - Your Bluetooth device 00:05:CD:E5:9C:19 default:CARD=b1 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Default Audio Device sysdefault:CARD=b1 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Default Audio Device dmix:CARD=b1,DEV=0 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Direct sample mixing device dsnoop:CARD=b1,DEV=0 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Direct sample snooping device hw:CARD=b1,DEV=0 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Direct hardware device without any conversions plughw:CARD=b1,DEV=0 - bcm2835 HDMI 1, bcm2835 HDMI 1 - Hardware device with all software conversions usbstream:CARD=b1 - bcm2835 HDMI 1 - USB Stream Output default:CARD=Headphones - bcm2835 Headphones, bcm2835 Headphones - Default Audio Device sysdefault:CARD=Headphones - bcm2835 Headphones, bcm2835 Headphones - Default Audio Device dmix:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Direct sample mixing device dsnoop:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Direct sample snooping device hw:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Direct hardware device without any conversions plughw:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Hardware device with all software conversions usbstream:CARD=Headphones - bcm2835 Headphones - USB Stream Output #### SHAIRPORT (SYNC) VERSION #### 3.3.1-OpenSSL-Avahi-ALSA-soxr-sysconfdir:/usr/local/etc #### OUTPUT SOUND DETAILS CARD 0 #### closed #### OUTPUT SOUND DETAILS CARD 1 #### closedBluetooth works, after a fashion. Not well enough for everyday use, though. I’ll document the difficulties I ran into, in the hopes that’s useful for improving the integration.
This is on a Pi 4B 2GB with built-in Bluetooth, Max2Play 2.51.
SqueezeLite completely „loses the plot“ when it auto-disconnects from the Bluetooth output device. Won’t play music any more / disappears as a selectable player. That’s the default „-C 5“ setting. Removing that setting resolved those issues.
SqueezeLite can’t start when there are no speakers connected – the Bluetooth ALSA device alone isn’t sufficient.
Bluetooth will not automatically connect to a known speaker when it’s in range, this has to be done manually.
Taken together, this means that Bluetooth support isn’t, in its current form, terribly useful.
Whenever the RaspPi or the speakers restart, the Bluetooth device will lose connection to the speakers and won’t automatically re-enable. SqueezeLite will probably go into a funk as well. That means go into Max2play web interface, manually „Connect“ the speakers, bounce SqueezeLite, then play music.
To be seamless, what I’d expect is:
– After pairing speakers once, Bluetooth / Max2Play will connect to them whenever they become available – similar to how phones behave
– SqueezeLite can survive the speakers being gone, and can start or keep running when Bluetooth is available but the speakers are not
– Bluetooth / Squeezelite survive Squeezelite auto-disconnecting from the output device? Optional – alternatively just make sure that the default command line when bluetooth is in use is blank, not „-C 5“.That way, I could play music whenever I want, just by turning the speakers on.
Happily, I have other ways of connecting to these speakers: I’ll use HDMI for the AVC, and a HifiBerry Digi+ HAT and optical cable for other Bluetooth-enabled speakers in the house.
Debug output for good measure
`
#### Bluetooth Installation ######## Bluetooth Dongle ####
hci0: Type: Primary Bus: UART
BD Address: DC:A6:32:0D:A1:9F ACL MTU: 1021:8 SCO MTU: 64:1
UP RUNNING
RX bytes:96030 acl:63 sco:0 events:11581 errors:0
TX bytes:16935323 acl:22814 sco:0 commands:161 errors:0#### DEVICE Marantz SR5012 ####
[00:05:CD:E5:9C:19]
Name: Marantz SR5012
Alias: Marantz SR5012 [rw]
Address: 00:05:CD:E5:9C:19
Icon: audio-card
Class: 0x240414
Paired: 1
Trusted: 1 [rw]
Blocked: 0 [rw]
Connected: 1
UUIDs: [AudioSink, AVRemoteControlTarget, AVRemoteControl, PnPInformation, 00001800-0000-1000-8000-00805f9b34fb, 00001801-0000-1000-8000-00805f9b34fb]#### BLUEALSA RUNNING ####
1
`
