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When I try to watch something with mpv, my audio-video receiver gets stereo. A few weeks ago (2-3 weeks) I hadn't had this problem.
Maybe this will help:
sudo dmesg | grep -iE 'snd|sof'
[ 0.035380] software IO TLB: area num 8.
[ 0.442708] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 0.442709] software IO TLB: mapped [mem 0x00000000a5f7f000-0x00000000a9f7f000] (64MB)
[ 3.820759] snd_hda_intel 0000:04:00.1: Handle vga_switcheroo audio client
[ 3.887454] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC257: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 3.887464] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 3.887468] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[ 3.887471] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0
[ 3.887473] snd_hda_codec_realtek hdaudioC1D0: inputs:
[ 3.887475] snd_hda_codec_realtek hdaudioC1D0: Mic=0x19
[ 7.456542] snd_hda_intel 0000:04:00.1: bound 0000:04:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])
[ 826.578923] snd_hda_intel 0000:04:00.1: IRQ timing workaround is activated for card #0. Suggestaplay -lL
null
Discard all samples (playback) or generate zero samples (capture)
lavrate
Rate Converter Plugin Using Libav/FFmpeg Library
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pipewire
PipeWire Sound Server
pulse
PulseAudio Sound Server
speex
Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
default
Default ALSA Output (currently PipeWire Media Server)
usbstream:CARD=Generic
HD-Audio Generic
USB Stream Output
usbstream:CARD=Generic_1
HD-Audio Generic
USB Stream Output
usbstream:CARD=acp
acp
USB Stream Output
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [TX-SR606]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC257 Analog [ALC257 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0The TX-SR606 is my AVR to which I want to send sound.
pactl list cards
Card #53
Name: alsa_card.pci-0000_04_00.1
Driver: alsa
Owner Module: n/a
Properties:
api.acp.auto-port = "false"
api.acp.auto-profile = "false"
api.alsa.card = "0"
api.alsa.card.longname = "HD-Audio Generic at 0xc05c8000 irq 71"
api.alsa.card.name = "HD-Audio Generic"
api.alsa.path = "hw:0"
api.alsa.split-enable = "true"
api.alsa.use-acp = "true"
api.dbus.ReserveDevice1 = "Audio0"
api.dbus.ReserveDevice1.Priority = "-20"
device.api = "alsa"
device.bus = "pci"
device.bus_path = "pci-0000:04:00.1"
device.description = "Renoir/Cezanne HDMI/DP Audio Controller"
device.enum.api = "udev"
device.icon_name = "audio-card-analog-pci"
device.name = "alsa_card.pci-0000_04_00.1"
device.nick = "HD-Audio Generic"
device.plugged.usec = "3846306"
device.product.id = "0x1637"
device.product.name = "Renoir/Cezanne HDMI/DP Audio Controller"
device.subsystem = "sound"
sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:04:00.1/sound/card0"
device.vendor.id = "0x1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
media.class = "Audio/Device"
spa.object.id = "2"
factory.id = "15"
client.id = "52"
object.id = "53"
object.serial = "53"
object.path = "alsa:acp:Generic"
alsa.card = "0"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xc05c8000 irq 71"
alsa.driver_name = "snd_hda_intel"
alsa.mixer_name = "ATI R6xx HDMI"
alsa.components = "HDA:1002aa01,00aa0100,00100700"
alsa.id = "Generic"
device.string = "0"
Profiles:
off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
HiFi: Play HiFi quality Music (sinks: 2, sources: 0, priority: 10300, available: yes)
pro-audio: Pro Audio (sinks: 2, sources: 0, priority: 1, available: yes)
Active Profile: HiFi
Ports:
[Out] HDMI2: HDMI / DisplayPort 2 Output (type: HDMI, priority: 1200, latency offset: 0 usec, availability group: HDMI/DP,pcm=7, available)
Properties:
port.type = "hdmi"
port.availability-group = "HDMI/DP,pcm=7"
device.icon_name = "video-display"
card.profile.port = "0"
device.product.name = "TX-SR606"
iec958.codecs.detected = "[\"PCM\",\"DTS\",\"AC3\",\"EAC3\",\"TrueHD\",\"DTS-HD\"]"
Part of profile(s): HiFi
[Out] HDMI1: HDMI / DisplayPort 1 Output (type: HDMI, priority: 1100, latency offset: 0 usec, availability group: HDMI/DP,pcm=3, not available)
Properties:
port.type = "hdmi"
port.availability-group = "HDMI/DP,pcm=3"
device.icon_name = "video-display"
card.profile.port = "1"
Part of profile(s): HiFi
Card #54
Name: alsa_card.pci-0000_04_00.6
Driver: alsa
Owner Module: n/a
Properties:
api.acp.auto-port = "false"
api.acp.auto-profile = "false"
api.alsa.card = "1"
api.alsa.card.longname = "HD-Audio Generic at 0xc05c0000 irq 72"
api.alsa.card.name = "HD-Audio Generic"
api.alsa.path = "hw:1"
api.alsa.split-enable = "true"
api.alsa.use-acp = "true"
api.dbus.ReserveDevice1 = "Audio1"
api.dbus.ReserveDevice1.Priority = "-20"
device.api = "alsa"
device.bus = "pci"
device.bus_path = "pci-0000:04:00.6"
device.description = "Ryzen HD Audio Controller"
device.enum.api = "udev"
device.icon_name = "audio-card-analog-pci"
device.name = "alsa_card.pci-0000_04_00.6"
device.nick = "HD-Audio Generic"
device.plugged.usec = "3959945"
device.product.id = "0x15e3"
device.product.name = "Ryzen HD Audio Controller"
device.subsystem = "sound"
sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:04:00.6/sound/card1"
device.vendor.id = "0x1022"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
media.class = "Audio/Device"
spa.object.id = "4"
factory.id = "15"
client.id = "52"
object.id = "54"
object.serial = "54"
object.path = "alsa:acp:Generic_1"
alsa.card = "1"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xc05c0000 irq 72"
alsa.driver_name = "snd_hda_intel"
alsa.mixer_name = "Realtek ALC257"
alsa.components = "HDA:10ec0257,17aa386c,00100001"
alsa.id = "Generic_1"
device.string = "1"
Profiles:
off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
HiFi (Headphones, Mic1, Mic2): Play HiFi quality Music (Headphones, Mic1, Mic2) (sinks: 1, sources: 2, priority: 8500, available: no)
HiFi (Mic1, Mic2, Speaker): Play HiFi quality Music (Mic1, Mic2, Speaker) (sinks: 1, sources: 2, priority: 8400, available: yes)
pro-audio: Pro Audio (sinks: 1, sources: 1, priority: 1, available: yes)
Active Profile: HiFi (Mic1, Mic2, Speaker)
Ports:
[Out] Speaker: Speaker (type: Speaker, priority: 100, latency offset: 0 usec, availability unknown)
Properties:
port.type = "speaker"
device.icon_name = "audio-speakers"
card.profile.port = "0"
Part of profile(s): HiFi (Mic1, Mic2, Speaker)
[In] Mic2: Stereo Microphone (type: Mic, priority: 200, latency offset: 0 usec, availability group: Mic, not available)
Properties:
port.type = "mic"
port.availability-group = "Mic"
device.icon_name = "audio-input-microphone"
card.profile.port = "1"
Part of profile(s): HiFi (Mic1, Mic2, Speaker), HiFi (Headphones, Mic1, Mic2)
[In] Mic1: Digital Microphone (type: Mic, priority: 100, latency offset: 0 usec, availability unknown)
Properties:
port.type = "mic"
device.icon_name = "audio-input-microphone"
card.profile.port = "2"
Part of profile(s): HiFi (Mic1, Mic2, Speaker), HiFi (Headphones, Mic1, Mic2)
[Out] Headphones: Headphones (type: Headphones, priority: 200, latency offset: 0 usec, availability group: Headphone, not available)
Properties:
port.type = "headphones"
port.availability-group = "Headphone"
device.icon_name = "audio-headphones"
card.profile.port = "3"
Part of profile(s): HiFi (Headphones, Mic1, Mic2)pactl list sinks
Sink #63
State: SUSPENDED
Name: alsa_output.pci-0000_04_00.6.HiFi__Speaker__sink
Description: Ryzen HD Audio Controller Speaker
Driver: PipeWire
Sample Specification: s32le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 4294967295
Mute: yes
Volume: front-left: 0 / 0% / -inf dB, front-right: 0 / 0% / -inf dB
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: alsa_output.pci-0000_04_00.6.HiFi__Speaker__sink.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
Properties:
alsa.card = "1"
alsa.card_name = "HD-Audio Generic"
alsa.class = "generic"
alsa.components = "HDA:10ec0257,17aa386c,00100001"
alsa.device = "0"
alsa.driver_name = "snd_hda_intel"
alsa.id = "ALC257 Analog"
alsa.long_card_name = "HD-Audio Generic at 0xc05c0000 irq 72"
alsa.mixer_device = "_ucm0003.hw:Generic_1"
alsa.mixer_name = "Realtek ALC257"
alsa.name = "ALC257 Analog"
alsa.resolution_bits = "16"
alsa.subclass = "generic-mix"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.sync.id = "00000000:00000000:00000000:00000000"
api.alsa.card.longname = "HD-Audio Generic at 0xc05c0000 irq 72"
api.alsa.card.name = "HD-Audio Generic"
api.alsa.open.ucm = "true"
api.alsa.path = "hw:Generic_1"
api.alsa.pcm.card = "1"
api.alsa.pcm.stream = "playback"
audio.channels = "2"
audio.position = "FL,FR"
card.profile.device = "0"
device.api = "alsa"
device.bus = "pci"
device.class = "sound"
device.icon_name = "audio-speakers"
device.id = "54"
device.profile.description = "Speaker"
device.profile.name = "HiFi: Speaker: sink"
device.routes = "1"
factory.name = "api.alsa.pcm.sink"
media.class = "Audio/Sink"
device.description = "Ryzen HD Audio Controller"
node.name = "alsa_output.pci-0000_04_00.6.HiFi__Speaker__sink"
node.nick = "ALC257 Analog"
node.pause-on-idle = "false"
object.path = "alsa:acp:Generic_1:0:playback"
port.group = "playback"
priority.driver = "1000"
priority.session = "1000"
factory.id = "19"
clock.quantum-limit = "8192"
client.id = "52"
node.driver = "true"
node.loop.name = "data-loop.0"
library.name = "audioconvert/libspa-audioconvert"
object.id = "63"
object.serial = "63"
api.acp.auto-port = "false"
api.acp.auto-profile = "false"
api.alsa.card = "1"
api.alsa.split-enable = "true"
api.alsa.use-acp = "true"
api.dbus.ReserveDevice1 = "Audio1"
api.dbus.ReserveDevice1.Priority = "-20"
device.bus_path = "pci-0000:04:00.6"
device.enum.api = "udev"
device.name = "alsa_card.pci-0000_04_00.6"
device.nick = "HD-Audio Generic"
device.plugged.usec = "3959945"
device.product.id = "0x15e3"
device.product.name = "Ryzen HD Audio Controller"
device.subsystem = "sound"
sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:04:00.6/sound/card1"
device.vendor.id = "0x1022"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
spa.object.id = "4"
device.string = "1"
Ports:
[Out] Speaker: Speaker (type: Speaker, priority: 100, availability unknown)
Active Port: [Out] Speaker
Formats:
pcm
Sink #548
State: SUSPENDED
Name: alsa_output.pci-0000_04_00.1.HiFi__HDMI2__sink
Description: Renoir/Cezanne HDMI/DP Audio Controller HDMI / DisplayPort 2 Output
Driver: PipeWire
Sample Specification: s32le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 4294967295
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_04_00.1.HiFi__HDMI2__sink.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE DECIBEL_VOLUME LATENCY
Properties:
alsa.card = "0"
alsa.card_name = "HD-Audio Generic"
alsa.class = "generic"
alsa.components = "HDA:1002aa01,00aa0100,00100700"
alsa.device = "7"
alsa.driver_name = "snd_hda_intel"
alsa.id = "HDMI 1"
alsa.long_card_name = "HD-Audio Generic at 0xc05c8000 irq 71"
alsa.mixer_device = "_ucm0001.hw:Generic"
alsa.mixer_name = "ATI R6xx HDMI"
alsa.name = "TX-SR606"
alsa.resolution_bits = "16"
alsa.subclass = "generic-mix"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.sync.id = "00000000:00000000:00000000:00000000"
api.alsa.card.longname = "HD-Audio Generic at 0xc05c8000 irq 71"
api.alsa.card.name = "HD-Audio Generic"
api.alsa.open.ucm = "true"
api.alsa.path = "hw:Generic,7"
api.alsa.pcm.card = "0"
api.alsa.pcm.stream = "playback"
audio.channels = "2"
audio.position = "FL,FR"
card.profile.device = "0"
device.api = "alsa"
device.bus = "pci"
device.class = "sound"
device.icon_name = "video-display"
device.id = "53"
device.profile.description = "HDMI / DisplayPort 2 Output"
device.profile.name = "HiFi: HDMI2: sink"
device.routes = "1"
factory.name = "api.alsa.pcm.sink"
iec958.codecs = "[\"PCM\",\"DTS\",\"AC3\",\"EAC3\",\"TrueHD\",\"DTS-HD\"]"
media.class = "Audio/Sink"
device.description = "Renoir/Cezanne HDMI/DP Audio Controller"
node.name = "alsa_output.pci-0000_04_00.1.HiFi__HDMI2__sink"
node.nick = "TX-SR606"
node.pause-on-idle = "false"
object.path = "alsa:acp:Generic:0:playback"
port.group = "playback"
priority.driver = "632"
priority.session = "632"
factory.id = "19"
clock.quantum-limit = "8192"
client.id = "52"
node.driver = "true"
node.loop.name = "data-loop.0"
library.name = "audioconvert/libspa-audioconvert"
object.id = "50"
object.serial = "548"
api.acp.auto-port = "false"
api.acp.auto-profile = "false"
api.alsa.card = "0"
api.alsa.split-enable = "true"
api.alsa.use-acp = "true"
api.dbus.ReserveDevice1 = "Audio0"
api.dbus.ReserveDevice1.Priority = "-20"
device.bus_path = "pci-0000:04:00.1"
device.enum.api = "udev"
device.name = "alsa_card.pci-0000_04_00.1"
device.nick = "HD-Audio Generic"
device.plugged.usec = "3846306"
device.product.id = "0x1637"
device.product.name = "Renoir/Cezanne HDMI/DP Audio Controller"
device.subsystem = "sound"
sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:04:00.1/sound/card0"
device.vendor.id = "0x1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
spa.object.id = "2"
device.string = "0"
Ports:
[Out] HDMI2: HDMI / DisplayPort 2 Output (type: HDMI, priority: 1200, availability group: HDMI/DP,pcm=7, available)
Active Port: [Out] HDMI2
Formats:
pcm
Sink #549
State: SUSPENDED
Name: alsa_output.pci-0000_04_00.1.HiFi__HDMI1__sink
Description: Renoir/Cezanne HDMI/DP Audio Controller HDMI / DisplayPort 1 Output
Driver: PipeWire
Sample Specification: s32le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 4294967295
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_04_00.1.HiFi__HDMI1__sink.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE DECIBEL_VOLUME LATENCY
Properties:
alsa.card = "0"
alsa.card_name = "HD-Audio Generic"
alsa.class = "generic"
alsa.components = "HDA:1002aa01,00aa0100,00100700"
alsa.device = "3"
alsa.driver_name = "snd_hda_intel"
alsa.id = "HDMI 0"
alsa.long_card_name = "HD-Audio Generic at 0xc05c8000 irq 71"
alsa.mixer_device = "_ucm0001.hw:Generic"
alsa.mixer_name = "ATI R6xx HDMI"
alsa.name = "HDMI 0"
alsa.resolution_bits = "16"
alsa.subclass = "generic-mix"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.sync.id = "00000000:00000000:00000000:00000000"
api.alsa.card.longname = "HD-Audio Generic at 0xc05c8000 irq 71"
api.alsa.card.name = "HD-Audio Generic"
api.alsa.open.ucm = "true"
api.alsa.path = "hw:Generic,3"
api.alsa.pcm.card = "0"
api.alsa.pcm.stream = "playback"
audio.channels = "2"
audio.position = "FL,FR"
card.profile.device = "1"
device.api = "alsa"
device.bus = "pci"
device.class = "sound"
device.icon_name = "video-display"
device.id = "53"
device.profile.description = "HDMI / DisplayPort 1 Output"
device.profile.name = "HiFi: HDMI1: sink"
device.routes = "1"
factory.name = "api.alsa.pcm.sink"
media.class = "Audio/Sink"
device.description = "Renoir/Cezanne HDMI/DP Audio Controller"
node.name = "alsa_output.pci-0000_04_00.1.HiFi__HDMI1__sink"
node.nick = "HDMI 0"
node.pause-on-idle = "false"
object.path = "alsa:acp:Generic:1:playback"
port.group = "playback"
priority.driver = "696"
priority.session = "696"
factory.id = "19"
clock.quantum-limit = "8192"
client.id = "52"
node.driver = "true"
node.loop.name = "data-loop.0"
library.name = "audioconvert/libspa-audioconvert"
object.id = "67"
object.serial = "549"
api.acp.auto-port = "false"
api.acp.auto-profile = "false"
api.alsa.card = "0"
api.alsa.split-enable = "true"
api.alsa.use-acp = "true"
api.dbus.ReserveDevice1 = "Audio0"
api.dbus.ReserveDevice1.Priority = "-20"
device.bus_path = "pci-0000:04:00.1"
device.enum.api = "udev"
device.name = "alsa_card.pci-0000_04_00.1"
device.nick = "HD-Audio Generic"
device.plugged.usec = "3846306"
device.product.id = "0x1637"
device.product.name = "Renoir/Cezanne HDMI/DP Audio Controller"
device.subsystem = "sound"
sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:04:00.1/sound/card0"
device.vendor.id = "0x1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
spa.object.id = "2"
device.string = "0"
Ports:
[Out] HDMI1: HDMI / DisplayPort 1 Output (type: HDMI, priority: 1100, availability group: HDMI/DP,pcm=3, not available)
Active Port: [Out] HDMI1
Formats:
pcmKernel: 6.12.63-1-lts
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Pages: 1