Public bug reported:
I set up everything for passthrough to hdmi. I enabled all the options
in pulseaudio config and it works after a reboot. Once I put my notebook
to sleep and wake it up again, EAC3 passthrough is gone even though the
options are still checked. DTS and regular AC3 passthrough still works,
just EAC3 is gone.
I also tried
$ systemctl --user stop pulseaudio.socket
$ systemctl --user stop pulseaudio.service
$ pulseaudio -k
# alsa force-reload
$ pulseaudio --start
The only thing that helps is a reboot which is kinda not Linux-like...
pactl list sinks
Sink #0
State: SUSPENDED
Name: alsa_output.pci-0000_00_1f.3.hdmi-stereo
Description: Built-in Audio Digital Stereo (HDMI)
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 7
Mute: no
Volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100% / 0,00
dB
balance 0,00
Base Volume: 65536 / 100% / 0,00 dB
Monitor Source: alsa_output.pci-0000_00_1f.3.hdmi-stereo.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE DECIBEL_VOLUME LATENCY SET_FORMATS
Properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "HDMI 0"
alsa.id = "HDMI 0"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "3"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0x91338000 irq 157"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "a348"
device.product.name = "Cannon Lake PCH cAVS"
device.form_factor = "internal"
device.string = "hdmi:0"
device.buffering.buffer_size = "65536"
device.buffering.fragment_size = "32768"
device.access_mode = "mmap+timer"
device.profile.name = "hdmi-stereo"
device.profile.description = "Digital Stereo (HDMI)"
device.description = "Built-in Audio Digital Stereo (HDMI)"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
Ports:
hdmi-output-0: HDMI / DisplayPort (priority: 5900, available)
Active Port: hdmi-output-0
Formats:
ac3-iec61937, format.rate = "[ 32000, 44100, 48000 ]"
eac3-iec61937, format.rate = "[ 32000, 44100, 48000 ]"
mpeg-iec61937, format.rate = "[ 32000, 44100, 48000 ]"
dts-iec61937, format.rate = "[ 32000, 44100, 48000 ]"
mpeg2-aac-iec61937, format.rate = "[ 32000, 44100, 48000 ]"
pcm
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: vlc 3.0.9.2-1
ProcVersionSignature: Ubuntu 5.4.0-45.49-generic 5.4.55
Uname: Linux 5.4.0-45-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Sun Sep 6 09:26:26 2020
InstallationDate: Installed on 2019-09-20 (351 days ago)
InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190919)
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1894422
Title:
EAC3 passthrough doesn't work after suspend
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