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PipeWire Screencast Info
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| #!/bin/sh | |
| pw-dump | jq -r '[.[] | select(.info.props."node.name" | IN("firefox","gnome-shell","kwin_wayland","obs","xdg-desktop-portal-wlr","xdp-screencast.py")) | .id] as $pw_node_ids | [ .[] | select(.info.props."node.id" | IN($pw_node_ids[])) | .id ] as $pw_port_ids | .[] | select(.id | IN(($pw_node_ids + $pw_port_ids)[]))' |
Thx
https://gist.github.com/kkartaltepe/c0ae86821e2ca3c5afb5bc968df695b2 here is the output for an attempted capture on nvidia on gnome 42, it looks like its missing the gnome port though. I think the port ended up as gnome-shell updated the gist.
thanks!
Sigh... just found out that jq doesn't have support for 64bit long integers so all modifiers returned from this script are wrong. Please just read search in the output of pw-dump.
jq doesn't have support for 64bit long integers
fwiw, gojq [1] doesn't share this limitation. I used the following when debugging my own firefox issue:
gojq script
#!/bin/bash
read -r -d '' JQPROG <<'EOF'
map(select(.info.props."node.name" and (.info.params.EnumFormat //empty | any(.mediaType == "video"))) | {
(.info.props."node.name"): {
type, id,
formats: [.info.params.EnumFormat[] | {
format,
modifiers: (.modifier |
if type == "null" then empty
elif type == "number" then [.]
else to_entries | map(select(.key | startswith("alt")).value)
end
)
}]
}
}) | add
EOF
pw-dump | gojq "$JQPROG" | nvim -Es -c '%s/\v^(\s+)(\d+)(,|$)/\=printf("%s\"0x%016x\"%s", submatch(1), submatch(2), submatch(3))/' -c '%print' -which helped me to discover that webrtc doesn't currently support SPA_VIDEO_FORMAT_xRGB_210LE / DRM_FORMAT_XRGB2101010 and remove render_bit_depth 10 from my sway config so it could work.
Not too familiar with pipewire, some info may have been omitted, ymmv.
I'm trying to debug why screensharing with sway+firefox broke for me on Arch all of a sudden. Went through https://github.com/emersion/xdg-desktop-portal-wlr/wiki/%22It-doesn't-work%22-Troubleshooting-Checklist and ended up at the last step, here.
The original script with jq prints nothing, and the script with gojq prints:
{
"libcamera_input.__SB_.PCI0.GPP0.RESA.RHUB.HSCM-2_1.0-13d3_5415": {
"formats": [],
"id": 50,
"type": "PipeWire:Interface:Node"
},
"v4l2_input.pci-0000_06_00.0-usb-0_2_1.0": {
"formats": [],
"id": 48,
"type": "PipeWire:Interface:Node"
}
}
This is regardless of whether a screenshare is currently "running" or not. I'm a bit confused, and would really appreciate help. I don't really have enough to file an issue, as I don't even know what piece of this software puzzle is causing problems. The fact that "formats" is empty is throwing me off.
software versions and pw-dump while not screensharing
$ pacman -Q firefox sway xdg-desktop-portal xdg-desktop-portal-wlr
firefox 116.0.2-1
sway 1:1.8.1-1
xdg-desktop-portal 1.16.0-3
xdg-desktop-portal-wlr 0.7.0-1
$ pw-dump
[
{
"id": 0,
"type": "PipeWire:Interface:Core",
"version": 4,
"permissions": [ "r", "x", "m" ],
"info": {
"cookie": 2128993968,
"user-name": "mvdan",
"host-name": "p14s",
"version": "0.3.77",
"name": "pipewire-0",
"change-mask": [ "props" ],
"props": {
"clock.power-of-two-quantum": true,
"config.name": "pipewire.conf",
"core.daemon": true,
"core.name": "pipewire-0",
"cpu.max-align": 32,
"default.clock.max-quantum": 2048,
"default.clock.min-quantum": 32,
"default.clock.quantum": 1024,
"default.clock.quantum-limit": 8192,
"default.clock.rate": 48000,
"default.video.height": 480,
"default.video.rate.denom": 1,
"default.video.rate.num": 25,
"default.video.width": 640,
"link.max-buffers": 16,
"log.level": 2,
"mem.allow-mlock": true,
"mem.warn-mlock": false,
"module.access": true,
"module.x11.bell": true,
"object.id": 0,
"object.serial": 0,
"settings.check-quantum": false,
"settings.check-rate": false
}
}
},
{
"id": 1,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-rt",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-rt.so",
"args": "{\n nice.level = -11\n #rt.prio = 88\n #rt.time.soft = -1\n #rt.time.hard = -1\n }",
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Use realtime thread scheduling, falling back to RTKit",
"module.name": "libpipewire-module-rt",
"module.usage": "( nice.level=<priority: default 20(don't change)> ) ( rt.prio=<priority: default 88> ) ( rt.time.soft=<in usec: default -1> ) ( rt.time.hard=<in usec: default -1> ) ( rlimits.enabled=<default true> ) ( rtportal.enabled=<default true> ) ( rtkit.enabled=<default true> ) ",
"module.version": "0.3.77",
"nice.level": -11,
"object.id": 1,
"object.serial": 1
}
}
},
{
"id": 2,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-protocol-native",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-protocol-native.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Native protocol using unix sockets",
"module.name": "libpipewire-module-protocol-native",
"module.version": "0.3.77",
"object.id": 2,
"object.serial": 2
}
}
},
{
"id": 4,
"type": "PipeWire:Interface:Profiler",
"version": 3,
"permissions": [ "r" ],
"props": {
"object.serial": 4
}
},
{
"id": 3,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-profiler",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-profiler.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Generate Profiling data",
"module.name": "libpipewire-module-profiler",
"module.version": "0.3.77",
"object.id": 3,
"object.serial": 3
}
}
},
{
"id": 5,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-metadata",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-metadata.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Allow clients to create metadata store",
"module.name": "libpipewire-module-metadata",
"module.version": "0.3.77",
"object.id": 5,
"object.serial": 5
}
}
},
{
"id": 6,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "metadata",
"type": "PipeWire:Interface:Metadata",
"version": 3,
"change-mask": [ "props" ],
"props": {
"factory.name": "metadata",
"factory.type.name": "PipeWire:Interface:Metadata",
"factory.type.version": 3,
"factory.usage": "(metadata.name = <name> ) (metadata.values = [ { ( id = <int> ) key = <string> ( type = <string> ) value = <json> } ... ] )",
"module.id": 5,
"object.id": 6,
"object.serial": 6
}
}
},
{
"id": 7,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-spa-device-factory",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-spa-device-factory.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Provide a factory to make SPA devices",
"module.name": "libpipewire-module-spa-device-factory",
"module.version": "0.3.77",
"object.id": 7,
"object.serial": 7
}
}
},
{
"id": 8,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "spa-device-factory",
"type": "PipeWire:Interface:Device",
"version": 3,
"change-mask": [ "props" ],
"props": {
"factory.name": "spa-device-factory",
"factory.type.name": "PipeWire:Interface:Device",
"factory.type.version": 3,
"module.id": 7,
"object.id": 8,
"object.serial": 8
}
}
},
{
"id": 9,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-spa-node-factory",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-spa-node-factory.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Provide a factory to make SPA nodes",
"module.name": "libpipewire-module-spa-node-factory",
"module.version": "0.3.77",
"object.id": 9,
"object.serial": 9
}
}
},
{
"id": 10,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "spa-node-factory",
"type": "PipeWire:Interface:Node",
"version": 3,
"change-mask": [ "props" ],
"props": {
"factory.name": "spa-node-factory",
"factory.type.name": "PipeWire:Interface:Node",
"factory.type.version": 3,
"module.id": 9,
"object.id": 10,
"object.serial": 10
}
}
},
{
"id": 11,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-client-node",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-client-node.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Allow clients to create and control remote nodes",
"module.name": "libpipewire-module-client-node",
"module.version": "0.3.77",
"object.id": 11,
"object.serial": 11
}
}
},
{
"id": 12,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "client-node",
"type": "PipeWire:Interface:ClientNode",
"version": 5,
"change-mask": [ "props" ],
"props": {
"factory.name": "client-node",
"factory.type.name": "PipeWire:Interface:ClientNode",
"factory.type.version": 5,
"module.id": 11,
"object.id": 12,
"object.serial": 12
}
}
},
{
"id": 13,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-client-device",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-client-device.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Allow clients to create and control remote devices",
"module.name": "libpipewire-module-client-device",
"module.version": "0.3.77",
"object.id": 13,
"object.serial": 13
}
}
},
{
"id": 14,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "client-device",
"type": "Spa:Pointer:Interface:Device",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "client-device",
"factory.type.name": "Spa:Pointer:Interface:Device",
"factory.type.version": 0,
"factory.usage": "[device.name=<string>]",
"module.id": 13,
"object.id": 14,
"object.serial": 14
}
}
},
{
"id": 15,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-portal",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-portal.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.name": "libpipewire-module-portal",
"object.id": 15,
"object.serial": 15
}
}
},
{
"id": 16,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-access",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-access.so",
"args": "{\n # access.allowed to list an array of paths of allowed\n # apps.\n #access.allowed = [\n # /usr/bin/pipewire-media-session\n #]\n\n # An array of rejected paths.\n #access.rejected = [ ]\n\n # An array of paths with restricted access.\n #access.restricted = [ ]\n\n # Anything not in the above lists gets assigned the\n # access.force permission.\n #access.force = flatpak\n }",
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Perform access check",
"module.name": "libpipewire-module-access",
"module.usage": "( access.force=flatpak ) ( access.allowed= [ <cmd-line>,.. ] ) ( access.rejected= [ <cmd-line>,.. ] ) ( access.restricted= [ <cmd-line>,.. ] ) ",
"module.version": "0.3.77",
"object.id": 16,
"object.serial": 16
}
}
},
{
"id": 17,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-adapter",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-adapter.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Manage adapter nodes",
"module.name": "libpipewire-module-adapter",
"module.version": "0.3.77",
"object.id": 17,
"object.serial": 17
}
}
},
{
"id": 18,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "adapter",
"type": "PipeWire:Interface:Node",
"version": 3,
"change-mask": [ "props" ],
"props": {
"factory.name": "adapter",
"factory.type.name": "PipeWire:Interface:Node",
"factory.type.version": 3,
"factory.usage": "factory.name=<factory-name> (library.name=<library-name>) node.name=<string> ",
"module.id": 17,
"object.id": 18,
"object.serial": 18
}
}
},
{
"id": 19,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-link-factory",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-link-factory.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "Wim Taymans <wim.taymans@gmail.com>",
"module.description": "Allow clients to create links",
"module.name": "libpipewire-module-link-factory",
"module.usage": "( allow.link.passive=<bool, default false> ) ",
"module.version": "0.3.77",
"object.id": 19,
"object.serial": 19
}
}
},
{
"id": 20,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "link-factory",
"type": "PipeWire:Interface:Link",
"version": 3,
"change-mask": [ "props" ],
"props": {
"factory.name": "link-factory",
"factory.type.name": "PipeWire:Interface:Link",
"factory.type.version": 3,
"factory.usage": "(link.output.node=<output-node>) (link.output.port=<output-port>) (link.input.node=<input-node>) (link.input.port=<input-port>) (object.linger=<bool>) (link.passive=<bool>)",
"module.id": 19,
"object.id": 20,
"object.serial": 20
}
}
},
{
"id": 21,
"type": "PipeWire:Interface:Module",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "libpipewire-module-session-manager",
"filename": "/usr/lib/pipewire-0.3/libpipewire-module-session-manager.so",
"args": null,
"change-mask": [ "props" ],
"props": {
"module.author": "George Kiagiadakis <george.kiagiadakis@collabora.com>",
"module.description": "Implements objects for session management",
"module.name": "libpipewire-module-session-manager",
"module.version": "0.3.77",
"object.id": 21,
"object.serial": 21
}
}
},
{
"id": 22,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "client-endpoint",
"type": "PipeWire:Interface:ClientEndpoint",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "client-endpoint",
"factory.type.name": "PipeWire:Interface:ClientEndpoint",
"factory.type.version": 0,
"module.id": 21,
"object.id": 22,
"object.serial": 22
}
}
},
{
"id": 23,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "client-session",
"type": "PipeWire:Interface:ClientSession",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "client-session",
"factory.type.name": "PipeWire:Interface:ClientSession",
"factory.type.version": 0,
"module.id": 21,
"object.id": 23,
"object.serial": 23
}
}
},
{
"id": 24,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "session",
"type": "PipeWire:Interface:Session",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "session",
"factory.type.name": "PipeWire:Interface:Session",
"factory.type.version": 0,
"module.id": 21,
"object.id": 24,
"object.serial": 24
}
}
},
{
"id": 25,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "endpoint",
"type": "PipeWire:Interface:Endpoint",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "endpoint",
"factory.type.name": "PipeWire:Interface:Endpoint",
"factory.type.version": 0,
"module.id": 21,
"object.id": 25,
"object.serial": 25
}
}
},
{
"id": 26,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "endpoint-stream",
"type": "PipeWire:Interface:EndpointStream",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "endpoint-stream",
"factory.type.name": "PipeWire:Interface:EndpointStream",
"factory.type.version": 0,
"module.id": 21,
"object.id": 26,
"object.serial": 26
}
}
},
{
"id": 27,
"type": "PipeWire:Interface:Factory",
"version": 3,
"permissions": [ "r", "m" ],
"info": {
"name": "endpoint-link",
"type": "PipeWire:Interface:EndpointLink",
"version": 0,
"change-mask": [ "props" ],
"props": {
"factory.name": "endpoint-link",
"factory.type.name": "PipeWire:Interface:EndpointLink",
"factory.type.version": 0,
"module.id": 21,
"object.id": 27,
"object.serial": 27
}
}
},
{
"id": 28,
"type": "PipeWire:Interface:Node",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
"info": {
"max-input-ports": 0,
"max-output-ports": 0,
"change-mask": [ "input-ports", "output-ports", "state", "props", "params" ],
"n-input-ports": 0,
"n-output-ports": 0,
"state": "suspended",
"error": null,
"props": {
"clock.id": "monotonic",
"clock.name": "clock.system.monotonic",
"clock.quantum-limit": 8192,
"factory.id": 10,
"factory.name": "support.node.driver",
"node.driver": true,
"node.group": "pipewire.dummy",
"node.name": "Dummy-Driver",
"object.id": 28,
"object.serial": 28,
"priority.driver": 20000
},
"params": {
}
}
},
{
"id": 29,
"type": "PipeWire:Interface:Node",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
"info": {
"max-input-ports": 0,
"max-output-ports": 0,
"change-mask": [ "input-ports", "output-ports", "state", "props", "params" ],
"n-input-ports": 0,
"n-output-ports": 0,
"state": "suspended",
"error": null,
"props": {
"clock.id": "monotonic",
"clock.name": "clock.system.monotonic",
"clock.quantum-limit": 8192,
"factory.id": 10,
"factory.name": "support.node.driver",
"node.driver": true,
"node.freewheel": true,
"node.group": "pipewire.freewheel",
"node.name": "Freewheel-Driver",
"object.id": 29,
"object.serial": 29,
"priority.driver": 19000
},
"params": {
}
}
},
{
"id": 30,
"type": "PipeWire:Interface:Metadata",
"version": 3,
"permissions": [ "r", "w", "x" ],
"props": {
"metadata.name": "settings",
"object.serial": 30
},
"metadata": [
{ "subject": 0, "key": "log.level", "type": "", "value": 2 },
{ "subject": 0, "key": "clock.rate", "type": "", "value": 48000 },
{ "subject": 0, "key": "clock.allowed-rates", "type": "", "value": "[ 48000 ]" },
{ "subject": 0, "key": "clock.quantum", "type": "", "value": 1024 },
{ "subject": 0, "key": "clock.min-quantum", "type": "", "value": 32 },
{ "subject": 0, "key": "clock.max-quantum", "type": "", "value": 2048 },
{ "subject": 0, "key": "clock.force-quantum", "type": "", "value": 0 },
{ "subject": 0, "key": "clock.force-rate", "type": "", "value": 0 }
]
},
{
"id": 32,
"type": "PipeWire:Interface:Client",
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{
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},
{
"mediaType": "video",
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},
{
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},
{
"mediaType": "video",
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{
"mediaType": "video",
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{
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},
{
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{
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{
"mediaType": "video",
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}
],
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{
"type": "VideoTransform",
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}
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},
{
"id": "Clock",
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{
"id": "Control",
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}
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}
}
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{
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"version": 3,
"permissions": [ "r", "w", "x", "m" ],
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"factory.mode": "merge",
"factory.name": "api.alsa.pcm.sink",
"library.name": "audioconvert/libspa-audioconvert",
"media.class": "Audio/Sink",
"node.description": "Family 17h/19h HD Audio Controller Speaker + Headphones",
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"node.name": "alsa_output.pci-0000_07_00.6.HiFi__hw_Generic_1__sink",
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"object.id": 56,
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"priority.driver": 1000,
"priority.session": 1000
},
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{
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"mediaSubtype": "raw",
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"alt2": "S16LE"
},
"rate": { "default": 48000, "min": 44100, "max": 48000 },
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}
],
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},
{
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"description": "Mute",
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"alt2": true
}
},
{
"id": "channelVolumes",
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},
{
"id": "channelMap",
"description": "Channel Map",
"type": "",
"container": "Array"
},
{
"id": "monitorMute",
"description": "Monitor Mute",
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"alt1": false,
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}
},
{
"id": "monitorVolumes",
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{
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"alt1": false,
"alt2": true
}
},
{
"id": "softVolumes",
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"container": "Array"
},
{
"name": "monitor.channel-volumes",
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.disable",
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.min-volume",
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"type": { "default": 0.000000, "min": 0.000000, "max": 10.000000 },
"params": true
},
{
"name": "channelmix.max-volume",
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"params": true
},
{
"name": "channelmix.normalize",
"description": "Normalize Volumes",
"type": {
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.mix-lfe",
"description": "Mix LFE into channels",
"type": {
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"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.upmix",
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"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.lfe-cutoff",
"description": "LFE cutoff frequency",
"type": { "default": 0.000000, "min": 0.000000, "max": 1000.000000 },
"params": true
},
{
"name": "channelmix.fc-cutoff",
"description": "FC cutoff frequency (Hz)",
"type": { "default": 0.000000, "min": 0.000000, "max": 48000.000000 },
"params": true
},
{
"name": "channelmix.rear-delay",
"description": "Rear channels delay (ms)",
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"params": true
},
{
"name": "channelmix.stereo-widen",
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"params": true
},
{
"name": "channelmix.hilbert-taps",
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"type": { "default": 0, "min": 0, "max": 255 },
"params": true
},
{
"name": "channelmix.upmix-method",
"description": "Upmix method to use",
"type": "none",
"params": true,
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"Disabled",
"simple",
"Simple upmixing",
"psd",
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]
},
{
"id": "rate",
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},
{
"id": "quality",
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"params": true
},
{
"name": "resample.disable",
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "dither.noise",
"description": "Add noise bits",
"type": { "default": 0, "min": 0, "max": 16 },
"params": true
},
{
"name": "dither.method",
"description": "The dithering method",
"type": "none",
"params": true,
"labels": [
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"rectangular",
"Rectangular dithering",
"triangular",
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"triangular-hf",
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"wannamaker3",
"Wannamaker 3 dithering",
"shaped5",
"Lipshitz 5 dithering"
]
},
{
"name": "debug.wav-path",
"description": "Path to WAV file",
"type": "",
"params": true
},
{
"name": "channelmix.lock-volumes",
"description": "Disable volume updates",
"type": {
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"alt1": false,
"alt2": true
},
"params": true
},
{
"id": "device",
"name": "api.alsa.path",
"description": "The ALSA device",
"type": "hw:Generic_1"
},
{
"id": "deviceName",
"description": "The ALSA device name",
"type": ""
},
{
"id": "cardName",
"description": "The ALSA card name",
"type": ""
},
{
"id": "latencyOffsetNsec",
"description": "Latency offset (ns)",
"type": { "default": 0, "min": 0, "max": 2000000000 }
},
{
"name": "audio.channels",
"description": "Audio Channels",
"type": 2,
"params": true
},
{
"name": "audio.rate",
"description": "Audio Rate",
"type": 0,
"params": true
},
{
"name": "audio.format",
"description": "Audio Format",
"type": "UNKNOWN",
"params": true
},
{
"name": "audio.position",
"description": "Audio Position",
"type": "[ FL, FR ]",
"params": true
},
{
"name": "audio.allowed-rates",
"description": "Audio Allowed Rates",
"type": "[ ]",
"params": true
},
{
"name": "api.alsa.period-size",
"description": "Period Size",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.period-num",
"description": "Number of Periods",
"type": { "default": 0, "min": 0, "max": 1024 },
"params": true
},
{
"name": "api.alsa.headroom",
"description": "Headroom",
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"params": true
},
{
"name": "api.alsa.start-delay",
"description": "Start Delay",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.disable-mmap",
"description": "Disable MMAP",
"type": {
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-batch",
"description": "Disable Batch",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-tsched",
"description": "Disable timer based scheduling",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.use-chmap",
"description": "Use the driver channelmap",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.multi-rate",
"description": "Support multiple rates",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "api.alsa.htimestamp",
"description": "Use hires timestamps",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "latency.internal.rate",
"description": "Internal latency in samples",
"type": { "default": 0, "min": 0, "max": 65536 },
"params": true
},
{
"name": "latency.internal.ns",
"description": "Internal latency in nanoseconds",
"type": { "default": 0, "min": 0, "max": 2000000000 },
"params": true
},
{
"name": "clock.name",
"description": "The name of the clock",
"type": "api.alsa.p-1",
"params": true
}
],
"Props": [
{
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"mute": false,
"channelVolumes": [ 0.130539, 0.130539 ],
"channelMap": [ "FL", "FR" ],
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"softVolumes": [ 0.951106, 0.951106 ],
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"monitorVolumes": [ 1.000000, 1.000000 ],
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false,
"channelmix.disable",
false,
"channelmix.min-volume",
0.000000,
"channelmix.max-volume",
10.000000,
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false,
"channelmix.mix-lfe",
true,
"channelmix.upmix",
true,
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0.000000,
"channelmix.fc-cutoff",
0.000000,
"channelmix.rear-delay",
0.000000,
"channelmix.stereo-widen",
0.000000,
"channelmix.hilbert-taps",
0,
"channelmix.upmix-method",
"none",
"resample.quality",
4,
"resample.disable",
false,
"dither.noise",
0,
"dither.method",
"none",
"debug.wav-path",
"",
"channelmix.lock-volumes",
false
]
},
{
"device": "hw:Generic_1",
"deviceName": "",
"cardName": "",
"latencyOffsetNsec": 0,
"params": [
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2,
"audio.rate",
0,
"audio.format",
"UNKNOWN",
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"[ FL, FR ]",
"audio.allowed-rates",
"[ ]",
"api.alsa.period-size",
0,
"api.alsa.period-num",
0,
"api.alsa.headroom",
0,
"api.alsa.start-delay",
0,
"api.alsa.disable-mmap",
false,
"api.alsa.disable-batch",
false,
"api.alsa.disable-tsched",
false,
"api.alsa.use-chmap",
false,
"api.alsa.multi-rate",
true,
"api.alsa.htimestamp",
false,
"latency.internal.rate",
0,
"latency.internal.ns",
0,
"clock.name",
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]
}
],
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{
"direction": "Input",
"mode": {
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"alt3": "convert"
},
"monitor": {
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"alt1": false,
"alt2": true
},
"control": {
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"alt1": false,
"alt2": true
}
}
],
"PortConfig": [
{
"direction": "Input",
"mode": "dsp",
"monitor": true,
"control": false,
"format": {
"mediaType": "audio",
"mediaSubtype": "raw",
"format": "F32P",
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"position": [ "FL", "FR" ]
}
}
],
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{
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"minQuantum": 1.000000,
"maxQuantum": 1.000000,
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"maxRate": 0,
"minNs": 0,
"maxNs": 0
},
{
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"maxQuantum": 0.000000,
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"maxRate": 0,
"minNs": 0,
"maxNs": 0
}
],
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{
"quantum": 0.000000,
"rate": 0,
"ns": 0
}
]
}
}
},
{
"id": 57,
"type": "PipeWire:Interface:Node",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
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"alsa.driver_name": "snd_hda_intel",
"alsa.id": "ALC257 Analog",
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"alsa.name": "ALC257 Analog",
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"alsa.subclass": "generic-mix",
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"alsa.subdevice_name": "subdevice #0",
"api.alsa.card.longname": "HD-Audio Generic at 0xfd3c0000 irq 107",
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"api.alsa.path": "hw:Generic_1",
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"api.alsa.pcm.stream": "capture",
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"audio.channels": 2,
"audio.position": "FL,FR",
"card.profile.device": 1,
"client.id": 33,
"clock.quantum-limit": 8192,
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"device.class": "sound",
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"device.profile.description": "Headphones Stereo Microphone",
"device.profile.name": "HiFi: hw:Generic_1: source",
"device.routes": 1,
"factory.id": 18,
"factory.mode": "split",
"factory.name": "api.alsa.pcm.source",
"library.name": "audioconvert/libspa-audioconvert",
"media.class": "Audio/Source",
"node.description": "Family 17h/19h HD Audio Controller Headphones Stereo Microphone",
"node.driver": true,
"node.name": "alsa_input.pci-0000_07_00.6.HiFi__hw_Generic_1__source",
"node.nick": "ALC257 Analog",
"node.pause-on-idle": false,
"object.id": 57,
"object.path": "alsa:pcm:1:hw:Generic_1:capture",
"object.serial": 57,
"priority.driver": 2000,
"priority.session": 2000
},
"params": {
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{
"mediaType": "audio",
"mediaSubtype": "raw",
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"alt1": "S32LE",
"alt2": "S16LE"
},
"rate": { "default": 48000, "min": 44100, "max": 192000 },
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"position": [ "FL", "FR" ]
}
],
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},
{
"id": "mute",
"description": "Mute",
"type": {
"default": false,
"alt1": false,
"alt2": true
}
},
{
"id": "channelVolumes",
"description": "Channel Volumes",
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"container": "Array"
},
{
"id": "channelMap",
"description": "Channel Map",
"type": "",
"container": "Array"
},
{
"id": "monitorMute",
"description": "Monitor Mute",
"type": {
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"alt1": false,
"alt2": true
}
},
{
"id": "monitorVolumes",
"description": "Monitor Volumes",
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"container": "Array"
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{
"id": "softMute",
"description": "Soft Mute",
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"alt1": false,
"alt2": true
}
},
{
"id": "softVolumes",
"description": "Soft Volumes",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 },
"container": "Array"
},
{
"name": "monitor.channel-volumes",
"description": "Monitor channel volume",
"type": {
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.disable",
"description": "Disable Channel mixing",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.min-volume",
"description": "Minimum volume level",
"type": { "default": 0.000000, "min": 0.000000, "max": 10.000000 },
"params": true
},
{
"name": "channelmix.max-volume",
"description": "Maximum volume level",
"type": { "default": 10.000000, "min": 0.000000, "max": 10.000000 },
"params": true
},
{
"name": "channelmix.normalize",
"description": "Normalize Volumes",
"type": {
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"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.mix-lfe",
"description": "Mix LFE into channels",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.upmix",
"description": "Enable upmixing",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.lfe-cutoff",
"description": "LFE cutoff frequency",
"type": { "default": 0.000000, "min": 0.000000, "max": 1000.000000 },
"params": true
},
{
"name": "channelmix.fc-cutoff",
"description": "FC cutoff frequency (Hz)",
"type": { "default": 0.000000, "min": 0.000000, "max": 48000.000000 },
"params": true
},
{
"name": "channelmix.rear-delay",
"description": "Rear channels delay (ms)",
"type": { "default": 0.000000, "min": 0.000000, "max": 1000.000000 },
"params": true
},
{
"name": "channelmix.stereo-widen",
"description": "Stereo widen",
"type": { "default": 0.000000, "min": 0.000000, "max": 1.000000 },
"params": true
},
{
"name": "channelmix.hilbert-taps",
"description": "Taps for phase shift of rear",
"type": { "default": 0, "min": 0, "max": 255 },
"params": true
},
{
"name": "channelmix.upmix-method",
"description": "Upmix method to use",
"type": "none",
"params": true,
"labels": [
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"Disabled",
"simple",
"Simple upmixing",
"psd",
"Passive Surround Decoding"
]
},
{
"id": "rate",
"description": "Rate scaler",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 }
},
{
"id": "quality",
"name": "resample.quality",
"description": "Resample Quality",
"type": { "default": 4, "min": 0, "max": 14 },
"params": true
},
{
"name": "resample.disable",
"description": "Disable Resampling",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "dither.noise",
"description": "Add noise bits",
"type": { "default": 0, "min": 0, "max": 16 },
"params": true
},
{
"name": "dither.method",
"description": "The dithering method",
"type": "none",
"params": true,
"labels": [
"none",
"Disabled",
"rectangular",
"Rectangular dithering",
"triangular",
"Triangular dithering",
"triangular-hf",
"Sloped Triangular dithering",
"wannamaker3",
"Wannamaker 3 dithering",
"shaped5",
"Lipshitz 5 dithering"
]
},
{
"name": "debug.wav-path",
"description": "Path to WAV file",
"type": "",
"params": true
},
{
"name": "channelmix.lock-volumes",
"description": "Disable volume updates",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"id": "device",
"name": "api.alsa.path",
"description": "The ALSA device",
"type": "hw:Generic_1"
},
{
"id": "deviceName",
"description": "The ALSA device name",
"type": ""
},
{
"id": "cardName",
"description": "The ALSA card name",
"type": ""
},
{
"id": "latencyOffsetNsec",
"description": "Latency offset (ns)",
"type": { "default": 0, "min": 0, "max": 2000000000 }
},
{
"name": "audio.channels",
"description": "Audio Channels",
"type": 2,
"params": true
},
{
"name": "audio.rate",
"description": "Audio Rate",
"type": 0,
"params": true
},
{
"name": "audio.format",
"description": "Audio Format",
"type": "UNKNOWN",
"params": true
},
{
"name": "audio.position",
"description": "Audio Position",
"type": "[ FL, FR ]",
"params": true
},
{
"name": "audio.allowed-rates",
"description": "Audio Allowed Rates",
"type": "[ ]",
"params": true
},
{
"name": "api.alsa.period-size",
"description": "Period Size",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.period-num",
"description": "Number of Periods",
"type": { "default": 0, "min": 0, "max": 1024 },
"params": true
},
{
"name": "api.alsa.headroom",
"description": "Headroom",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.start-delay",
"description": "Start Delay",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.disable-mmap",
"description": "Disable MMAP",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-batch",
"description": "Disable Batch",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-tsched",
"description": "Disable timer based scheduling",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.use-chmap",
"description": "Use the driver channelmap",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.multi-rate",
"description": "Support multiple rates",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "api.alsa.htimestamp",
"description": "Use hires timestamps",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "latency.internal.rate",
"description": "Internal latency in samples",
"type": { "default": 0, "min": 0, "max": 65536 },
"params": true
},
{
"name": "latency.internal.ns",
"description": "Internal latency in nanoseconds",
"type": { "default": 0, "min": 0, "max": 2000000000 },
"params": true
},
{
"name": "clock.name",
"description": "The name of the clock",
"type": "api.alsa.c-1",
"params": true
}
],
"Props": [
{
"volume": 1.000000,
"mute": false,
"channelVolumes": [ 1.000000, 1.000000 ],
"channelMap": [ "FL", "FR" ],
"softMute": false,
"softVolumes": [ 1.000000, 1.000000 ],
"monitorMute": false,
"monitorVolumes": [ 1.000000, 1.000000 ],
"params": [
"monitor.channel-volumes",
false,
"channelmix.disable",
false,
"channelmix.min-volume",
0.000000,
"channelmix.max-volume",
10.000000,
"channelmix.normalize",
false,
"channelmix.mix-lfe",
true,
"channelmix.upmix",
true,
"channelmix.lfe-cutoff",
0.000000,
"channelmix.fc-cutoff",
0.000000,
"channelmix.rear-delay",
0.000000,
"channelmix.stereo-widen",
0.000000,
"channelmix.hilbert-taps",
0,
"channelmix.upmix-method",
"none",
"resample.quality",
4,
"resample.disable",
false,
"dither.noise",
0,
"dither.method",
"none",
"debug.wav-path",
"",
"channelmix.lock-volumes",
false
]
},
{
"device": "hw:Generic_1",
"deviceName": "",
"cardName": "",
"latencyOffsetNsec": 0,
"params": [
"audio.channels",
2,
"audio.rate",
0,
"audio.format",
"UNKNOWN",
"audio.position",
"[ FL, FR ]",
"audio.allowed-rates",
"[ ]",
"api.alsa.period-size",
0,
"api.alsa.period-num",
0,
"api.alsa.headroom",
0,
"api.alsa.start-delay",
0,
"api.alsa.disable-mmap",
false,
"api.alsa.disable-batch",
false,
"api.alsa.disable-tsched",
false,
"api.alsa.use-chmap",
false,
"api.alsa.multi-rate",
true,
"api.alsa.htimestamp",
false,
"latency.internal.rate",
0,
"latency.internal.ns",
0,
"clock.name",
"api.alsa.c-1"
]
}
],
"Format": [ ],
"EnumPortConfig": [
{
"direction": "Output",
"mode": {
"default": "none",
"alt1": "none",
"alt2": "dsp",
"alt3": "convert"
},
"monitor": {
"default": false,
"alt1": false,
"alt2": true
},
"control": {
"default": false,
"alt1": false,
"alt2": true
}
}
],
"PortConfig": [
{
"direction": "Output",
"mode": "dsp",
"monitor": true,
"control": false,
"format": {
"mediaType": "audio",
"mediaSubtype": "raw",
"format": "F32P",
"channels": 2,
"position": [ "FL", "FR" ]
}
}
],
"Latency": [
{
"direction": "Input",
"minQuantum": 0.000000,
"maxQuantum": 0.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
},
{
"direction": "Output",
"minQuantum": 1.000000,
"maxQuantum": 1.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
}
],
"ProcessLatency": [
{
"quantum": 0.000000,
"rate": 0,
"ns": 0
}
]
}
}
},
{
"id": 58,
"type": "PipeWire:Interface:Node",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
"info": {
"max-input-ports": 0,
"max-output-ports": 65,
"change-mask": [ "input-ports", "output-ports", "state", "props", "params" ],
"n-input-ports": 0,
"n-output-ports": 2,
"state": "suspended",
"error": null,
"props": {
"alsa.card": 2,
"alsa.card_name": "acp",
"alsa.class": "generic",
"alsa.device": 0,
"alsa.driver_name": "snd_acp3x_rn",
"alsa.id": "DMIC capture dmic-hifi-0",
"alsa.long_card_name": "LENOVO-21A0CTO1WW-ThinkPadP14sGen2a",
"alsa.mixer_device": "_ucm0003.hw:Generic_1",
"alsa.name": "",
"alsa.resolution_bits": 32,
"alsa.subclass": "generic-mix",
"alsa.subdevice": 0,
"alsa.subdevice_name": "subdevice #0",
"api.alsa.card.longname": "HD-Audio Generic at 0xfd3c0000 irq 107",
"api.alsa.card.name": "HD-Audio Generic",
"api.alsa.open.ucm": true,
"api.alsa.path": "hw:acp",
"api.alsa.pcm.card": 1,
"api.alsa.pcm.stream": "capture",
"audio.adapt.follower": "",
"audio.channels": 2,
"audio.position": "FL,FR",
"card.profile.device": 2,
"client.id": 33,
"clock.quantum-limit": 8192,
"device.api": "alsa",
"device.class": "sound",
"device.id": 47,
"device.profile.description": "Digital Microphone",
"device.profile.name": "HiFi: hw:acp: source",
"device.routes": 1,
"factory.id": 18,
"factory.mode": "split",
"factory.name": "api.alsa.pcm.source",
"library.name": "audioconvert/libspa-audioconvert",
"media.class": "Audio/Source",
"node.description": "Family 17h/19h HD Audio Controller Digital Microphone",
"node.driver": true,
"node.name": "alsa_input.pci-0000_07_00.6.HiFi__hw_acp__source",
"node.nick": "Digital Microphone",
"node.pause-on-idle": false,
"object.id": 58,
"object.path": "alsa:pcm:1:hw:acp:capture",
"object.serial": 58,
"priority.driver": 2000,
"priority.session": 2000
},
"params": {
"EnumFormat": [
{
"mediaType": "audio",
"mediaSubtype": "raw",
"format": "S32LE",
"rate": 48000,
"channels": 2,
"position": [ "FL", "FR" ]
}
],
"PropInfo": [
{
"id": "volume",
"description": "Volume",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 }
},
{
"id": "mute",
"description": "Mute",
"type": {
"default": false,
"alt1": false,
"alt2": true
}
},
{
"id": "channelVolumes",
"description": "Channel Volumes",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 },
"container": "Array"
},
{
"id": "channelMap",
"description": "Channel Map",
"type": "",
"container": "Array"
},
{
"id": "monitorMute",
"description": "Monitor Mute",
"type": {
"default": false,
"alt1": false,
"alt2": true
}
},
{
"id": "monitorVolumes",
"description": "Monitor Volumes",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 },
"container": "Array"
},
{
"id": "softMute",
"description": "Soft Mute",
"type": {
"default": false,
"alt1": false,
"alt2": true
}
},
{
"id": "softVolumes",
"description": "Soft Volumes",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 },
"container": "Array"
},
{
"name": "monitor.channel-volumes",
"description": "Monitor channel volume",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.disable",
"description": "Disable Channel mixing",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.min-volume",
"description": "Minimum volume level",
"type": { "default": 0.000000, "min": 0.000000, "max": 10.000000 },
"params": true
},
{
"name": "channelmix.max-volume",
"description": "Maximum volume level",
"type": { "default": 10.000000, "min": 0.000000, "max": 10.000000 },
"params": true
},
{
"name": "channelmix.normalize",
"description": "Normalize Volumes",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "channelmix.mix-lfe",
"description": "Mix LFE into channels",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.upmix",
"description": "Enable upmixing",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "channelmix.lfe-cutoff",
"description": "LFE cutoff frequency",
"type": { "default": 0.000000, "min": 0.000000, "max": 1000.000000 },
"params": true
},
{
"name": "channelmix.fc-cutoff",
"description": "FC cutoff frequency (Hz)",
"type": { "default": 0.000000, "min": 0.000000, "max": 48000.000000 },
"params": true
},
{
"name": "channelmix.rear-delay",
"description": "Rear channels delay (ms)",
"type": { "default": 0.000000, "min": 0.000000, "max": 1000.000000 },
"params": true
},
{
"name": "channelmix.stereo-widen",
"description": "Stereo widen",
"type": { "default": 0.000000, "min": 0.000000, "max": 1.000000 },
"params": true
},
{
"name": "channelmix.hilbert-taps",
"description": "Taps for phase shift of rear",
"type": { "default": 0, "min": 0, "max": 255 },
"params": true
},
{
"name": "channelmix.upmix-method",
"description": "Upmix method to use",
"type": "none",
"params": true,
"labels": [
"none",
"Disabled",
"simple",
"Simple upmixing",
"psd",
"Passive Surround Decoding"
]
},
{
"id": "rate",
"description": "Rate scaler",
"type": { "default": 1.000000, "min": 0.000000, "max": 10.000000 }
},
{
"id": "quality",
"name": "resample.quality",
"description": "Resample Quality",
"type": { "default": 4, "min": 0, "max": 14 },
"params": true
},
{
"name": "resample.disable",
"description": "Disable Resampling",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "dither.noise",
"description": "Add noise bits",
"type": { "default": 0, "min": 0, "max": 16 },
"params": true
},
{
"name": "dither.method",
"description": "The dithering method",
"type": "none",
"params": true,
"labels": [
"none",
"Disabled",
"rectangular",
"Rectangular dithering",
"triangular",
"Triangular dithering",
"triangular-hf",
"Sloped Triangular dithering",
"wannamaker3",
"Wannamaker 3 dithering",
"shaped5",
"Lipshitz 5 dithering"
]
},
{
"name": "debug.wav-path",
"description": "Path to WAV file",
"type": "",
"params": true
},
{
"name": "channelmix.lock-volumes",
"description": "Disable volume updates",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"id": "device",
"name": "api.alsa.path",
"description": "The ALSA device",
"type": "hw:acp"
},
{
"id": "deviceName",
"description": "The ALSA device name",
"type": ""
},
{
"id": "cardName",
"description": "The ALSA card name",
"type": ""
},
{
"id": "latencyOffsetNsec",
"description": "Latency offset (ns)",
"type": { "default": 0, "min": 0, "max": 2000000000 }
},
{
"name": "audio.channels",
"description": "Audio Channels",
"type": 2,
"params": true
},
{
"name": "audio.rate",
"description": "Audio Rate",
"type": 0,
"params": true
},
{
"name": "audio.format",
"description": "Audio Format",
"type": "UNKNOWN",
"params": true
},
{
"name": "audio.position",
"description": "Audio Position",
"type": "[ FL, FR ]",
"params": true
},
{
"name": "audio.allowed-rates",
"description": "Audio Allowed Rates",
"type": "[ ]",
"params": true
},
{
"name": "api.alsa.period-size",
"description": "Period Size",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.period-num",
"description": "Number of Periods",
"type": { "default": 0, "min": 0, "max": 1024 },
"params": true
},
{
"name": "api.alsa.headroom",
"description": "Headroom",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.start-delay",
"description": "Start Delay",
"type": { "default": 0, "min": 0, "max": 8192 },
"params": true
},
{
"name": "api.alsa.disable-mmap",
"description": "Disable MMAP",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-batch",
"description": "Disable Batch",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.disable-tsched",
"description": "Disable timer based scheduling",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.use-chmap",
"description": "Use the driver channelmap",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "api.alsa.multi-rate",
"description": "Support multiple rates",
"type": {
"default": true,
"alt1": true,
"alt2": false
},
"params": true
},
{
"name": "api.alsa.htimestamp",
"description": "Use hires timestamps",
"type": {
"default": false,
"alt1": false,
"alt2": true
},
"params": true
},
{
"name": "latency.internal.rate",
"description": "Internal latency in samples",
"type": { "default": 0, "min": 0, "max": 65536 },
"params": true
},
{
"name": "latency.internal.ns",
"description": "Internal latency in nanoseconds",
"type": { "default": 0, "min": 0, "max": 2000000000 },
"params": true
},
{
"name": "clock.name",
"description": "The name of the clock",
"type": "api.alsa.c-1",
"params": true
}
],
"Props": [
{
"volume": 1.000000,
"mute": false,
"channelVolumes": [ 0.272861, 0.272861 ],
"channelMap": [ "FL", "FR" ],
"softMute": false,
"softVolumes": [ 0.272861, 0.272861 ],
"monitorMute": false,
"monitorVolumes": [ 1.000000, 1.000000 ],
"params": [
"monitor.channel-volumes",
false,
"channelmix.disable",
false,
"channelmix.min-volume",
0.000000,
"channelmix.max-volume",
10.000000,
"channelmix.normalize",
false,
"channelmix.mix-lfe",
true,
"channelmix.upmix",
true,
"channelmix.lfe-cutoff",
0.000000,
"channelmix.fc-cutoff",
0.000000,
"channelmix.rear-delay",
0.000000,
"channelmix.stereo-widen",
0.000000,
"channelmix.hilbert-taps",
0,
"channelmix.upmix-method",
"none",
"resample.quality",
4,
"resample.disable",
false,
"dither.noise",
0,
"dither.method",
"none",
"debug.wav-path",
"",
"channelmix.lock-volumes",
false
]
},
{
"device": "hw:acp",
"deviceName": "",
"cardName": "",
"latencyOffsetNsec": 0,
"params": [
"audio.channels",
2,
"audio.rate",
0,
"audio.format",
"UNKNOWN",
"audio.position",
"[ FL, FR ]",
"audio.allowed-rates",
"[ ]",
"api.alsa.period-size",
0,
"api.alsa.period-num",
0,
"api.alsa.headroom",
0,
"api.alsa.start-delay",
0,
"api.alsa.disable-mmap",
false,
"api.alsa.disable-batch",
false,
"api.alsa.disable-tsched",
false,
"api.alsa.use-chmap",
false,
"api.alsa.multi-rate",
true,
"api.alsa.htimestamp",
false,
"latency.internal.rate",
0,
"latency.internal.ns",
0,
"clock.name",
"api.alsa.c-1"
]
}
],
"Format": [ ],
"EnumPortConfig": [
{
"direction": "Output",
"mode": {
"default": "none",
"alt1": "none",
"alt2": "dsp",
"alt3": "convert"
},
"monitor": {
"default": false,
"alt1": false,
"alt2": true
},
"control": {
"default": false,
"alt1": false,
"alt2": true
}
}
],
"PortConfig": [
{
"direction": "Output",
"mode": "dsp",
"monitor": true,
"control": false,
"format": {
"mediaType": "audio",
"mediaSubtype": "raw",
"format": "F32P",
"channels": 2,
"position": [ "FL", "FR" ]
}
}
],
"Latency": [
{
"direction": "Input",
"minQuantum": 0.000000,
"maxQuantum": 0.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
},
{
"direction": "Output",
"minQuantum": 1.000000,
"maxQuantum": 1.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
}
],
"ProcessLatency": [
{
"quantum": 0.000000,
"rate": 0,
"ns": 0
}
]
}
}
},
{
"id": 38,
"type": "PipeWire:Interface:Port",
"version": 3,
"permissions": [ "r", "x", "m" ],
"info": {
"direction": "input",
"change-mask": [ "props", "params" ],
"props": {
"audio.channel": "FL",
"format.dsp": "32 bit float mono audio",
"node.id": 56,
"object.id": 38,
"object.path": "alsa:pcm:1:hw:Generic_1:playback:playback_0",
"object.serial": 59,
"port.alias": "ALC257 Analog:playback_FL",
"port.direction": "in",
"port.id": 0,
"port.name": "playback_FL",
"port.physical": true,
"port.terminal": true
},
"params": {
"EnumFormat": [
{
"mediaType": "audio",
"mediaSubtype": "dsp",
"format": "F32P"
}
],
"Meta": [
{
"type": "Header",
"size": 32
}
],
"IO": [
{
"id": "Buffers",
"size": 8
}
],
"Format": [ ],
"Buffers": [ ],
"Latency": [
{
"direction": "Input",
"minQuantum": 1.000000,
"maxQuantum": 1.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
},
{
"direction": "Output",
"minQuantum": 0.000000,
"maxQuantum": 0.000000,
"minRate": 0,
"maxRate": 0,
"minNs": 0,
"maxNs": 0
}
]
}
}
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"application.process.machine-id": "2e5c8c03be8a41a8b6d45b89909f98cd",
"application.process.session-id": 1,
"application.process.user": "mvdan",
"client.api": "pipewire-pulse",
"clock.power-of-two-quantum": true,
"config.name": "pipewire-pulse.conf",
"core.name": "pipewire-mvdan-1394",
"core.version": "0.3.77",
"cpu.max-align": 32,
"default.clock.max-quantum": 2048,
"default.clock.min-quantum": 32,
"default.clock.quantum": 1024,
"default.clock.quantum-limit": 8192,
"default.clock.rate": 48000,
"default.video.height": 480,
"default.video.rate.denom": 1,
"default.video.rate.num": 25,
"default.video.width": 640,
"link.max-buffers": 64,
"log.level": 2,
"media.category": "Manager",
"mem.allow-mlock": true,
"mem.warn-mlock": false,
"module.id": 2,
"object.id": 65,
"object.serial": 70,
"pipewire.access": "flatpak",
"pipewire.access.portal.app_id": "com.discordapp.Discord",
"pipewire.client.access": "flatpak",
"pipewire.protocol": "protocol-native",
"pipewire.sec.gid": 1000,
"pipewire.sec.label": "hex: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",
"pipewire.sec.pid": 1394,
"pipewire.sec.uid": 1000,
"pulse.server.type": "unix",
"settings.check-quantum": false,
"settings.check-rate": false,
"window.x11.display": ":0"
}
}
},
{
"id": 67,
"type": "PipeWire:Interface:Client",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
"info": {
"change-mask": [ "props" ],
"props": {
"application.language": "en_US.UTF-8",
"application.name": "Firefox",
"application.process.binary": "firefox",
"application.process.host": "p14s",
"application.process.id": 9302,
"application.process.machine-id": "2e5c8c03be8a41a8b6d45b89909f98cd",
"application.process.session-id": 1,
"application.process.user": "mvdan",
"client.api": "pipewire-pulse",
"clock.power-of-two-quantum": true,
"config.name": "pipewire-pulse.conf",
"core.name": "pipewire-mvdan-1394",
"core.version": "0.3.77",
"cpu.max-align": 32,
"default.clock.max-quantum": 2048,
"default.clock.min-quantum": 32,
"default.clock.quantum": 1024,
"default.clock.quantum-limit": 8192,
"default.clock.rate": 48000,
"default.video.height": 480,
"default.video.rate.denom": 1,
"default.video.rate.num": 25,
"default.video.width": 640,
"link.max-buffers": 64,
"log.level": 2,
"mem.allow-mlock": true,
"mem.warn-mlock": false,
"module.id": 2,
"object.id": 67,
"object.serial": 87,
"pipewire.access": "unrestricted",
"pipewire.protocol": "protocol-native",
"pipewire.sec.gid": 1000,
"pipewire.sec.label": "hex: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",
"pipewire.sec.pid": 1394,
"pipewire.sec.uid": 1000,
"pulse.server.type": "unix",
"settings.check-quantum": false,
"settings.check-rate": false,
"window.x11.display": ":0"
}
}
},
{
"id": 66,
"type": "PipeWire:Interface:Client",
"version": 3,
"permissions": [ "r", "w", "x", "m" ],
"info": {
"change-mask": [ "props" ],
"props": {
"application.language": "en_US.UTF-8",
"application.name": "pw-dump",
"application.process.binary": "pw-dump",
"application.process.host": "p14s",
"application.process.id": 11751,
"application.process.session-id": 1,
"application.process.user": "mvdan",
"clock.power-of-two-quantum": true,
"core.name": "pipewire-mvdan-11751",
"core.version": "0.3.77",
"cpu.max-align": 32,
"default.clock.max-quantum": 2048,
"default.clock.min-quantum": 32,
"default.clock.quantum": 1024,
"default.clock.quantum-limit": 8192,
"default.clock.rate": 48000,
"default.video.height": 480,
"default.video.rate.denom": 1,
"default.video.rate.num": 25,
"default.video.width": 640,
"link.max-buffers": 64,
"log.level": 0,
"mem.allow-mlock": true,
"mem.warn-mlock": false,
"module.id": 2,
"object.id": 66,
"object.serial": 101,
"pipewire.access": "unrestricted",
"pipewire.protocol": "protocol-native",
"pipewire.sec.gid": 1000,
"pipewire.sec.label": "hex: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",
"pipewire.sec.pid": 11751,
"pipewire.sec.uid": 1000,
"settings.check-quantum": false,
"settings.check-rate": false,
"window.x11.display": ":0"
}
}
}
]
@mvdan You should be screensharing when running the script. E.g. After correcting the above, if I visit https://webrtc.github.io/samples/src/content/getusermedia/getdisplaymedia/ in firefox, start a screenshare, accept the browser permissions, and complete output selection, I get the following output from the script:
gojq script output
{
"firefox": {
"formats": [
{
"format": "BGRA",
"modifiers": [
"0x0000000000000000",
"0x0100000000000001",
"0x0100000000000002",
"0x0100000000000006",
"0x0100000000000007",
"0x0100000000000008",
"0x00ffffffffffffff"
]
},
{
"format": "RGBA",
"modifiers": [
"0x0000000000000000",
"0x0100000000000001",
"0x0100000000000002",
"0x0100000000000006",
"0x0100000000000007",
"0x0100000000000008",
"0x00ffffffffffffff"
]
},
{
"format": "BGRx",
"modifiers": [
"0x0000000000000000",
"0x0100000000000001",
"0x0100000000000002",
"0x0100000000000006",
"0x0100000000000007",
"0x0100000000000008",
"0x00ffffffffffffff"
]
}
],
"id": 59,
"type": "PipeWire:Interface:Node"
},
"xdg-desktop-portal-wlr": {
"formats": [
{
"format": "BGRx",
"modifiers": [
"0x0100000000000002"
]
},
{
"format": "BGRx",
"modifiers": [
"0x0000000000000000",
"0x0100000000000001",
"0x0100000000000002"
]
}
],
"id": 58,
"type": "PipeWire:Interface:Node"
}
}BGRx+0x01000000000002 is I915_FORMAT_MOD_Y_TILED and supported by both applications. The xpdw formats are those offered by sway, the firefox ones are those currently supported in webrtc on my platform.
Thanks for clarifying. To be clear, I had checked both with and without an active screenshare, and the output was the same. I just checked again. I already went through the rest of the troubleshooting steps, so I can at least verify that all the pieces are running.
I assume that for some reason the screenshare isn't even starting properly. I tried seeing if firefox or xdg-desktop-portal-wlr showed any errors, because they did with previous issues I had before, but there's nothing I can see. I did capture wlr's debug logs, in case they shed any light - clearly it's trying to do something:
wlr debug logs
$ /usr/lib/xdg-desktop-portal-wlr -l DEBUG
2023/08/10 22:37:07 [INFO] - config: no config file found, using the default config
2023/08/10 22:37:07 [DEBUG] - config: outputname: (null)
2023/08/10 22:37:07 [DEBUG] - config: max_fps: 0.000000
2023/08/10 22:37:07 [DEBUG] - config: exec_before: (null)
2023/08/10 22:37:07 [DEBUG] - config: exec_after: (null)
2023/08/10 22:37:07 [DEBUG] - config: chooser_cmd: (null)
2023/08/10 22:37:07 [DEBUG] - config: chooser_type: default
2023/08/10 22:37:07 [DEBUG] - config: force_mod_linear: 0
2023/08/10 22:37:07 [DEBUG] - dbus: connected
2023/08/10 22:37:07 [DEBUG] - wlroots: wl_display connected
2023/08/10 22:37:07 [DEBUG] - pipewire: pw_loop created
2023/08/10 22:37:07 [DEBUG] - pipewire: establishing connection to core
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_shm (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: |-- registered to interface wl_shm (Version 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_drm (Version: 2)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_linux_dmabuf_v1 (Version: 4)
2023/08/10 22:37:07 [DEBUG] - wlroots: |-- registered to interface zwp_linux_dmabuf_v1 (Version 4)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_compositor (Version: 5)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_subcompositor (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_data_device_manager (Version: 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_gamma_control_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_output_manager_v1 (Version: 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register org_kde_kwin_idle (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register ext_idle_notifier_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_idle_inhibit_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_layer_shell_v1 (Version: 4)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register xdg_wm_base (Version: 2)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_tablet_manager_v2 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register org_kde_kwin_server_decoration_manager (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_decoration_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_relative_pointer_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_pointer_constraints_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wp_presentation (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_output_manager_v1 (Version: 4)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_output_power_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_input_method_manager_v2 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_text_input_manager_v3 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_foreign_toplevel_manager_v1 (Version: 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register ext_session_lock_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wp_drm_lease_device_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_export_dmabuf_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_screencopy_manager_v1 (Version: 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: |-- registered to interface zwlr_screencopy_manager_v1 (Version 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_data_control_manager_v1 (Version: 2)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_primary_selection_device_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wp_viewporter (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wp_single_pixel_buffer_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_exporter_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_importer_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_exporter_v2 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zxdg_importer_v2 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register xdg_activation_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_virtual_keyboard_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_virtual_pointer_manager_v1 (Version: 2)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwlr_input_inhibit_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_keyboard_shortcuts_inhibit_manager_v1 (Version: 1)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_seat (Version: 8)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register zwp_pointer_gestures_v1 (Version: 3)
2023/08/10 22:37:07 [DEBUG] - wlroots: interface to register wl_output (Version: 4)
2023/08/10 22:37:07 [DEBUG] - wlroots: |-- registered to interface wl_output (Version 4)
2023/08/10 22:37:07 [DEBUG] - wayland: registry listeners run
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_handle_main_device called
2023/08/10 22:37:07 [INFO] - xdpw: Using render node /dev/dri/renderD128
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_format_table called
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_tranche_target_devices called
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_tranche_flags called
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_tranche_formats called
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_tranche_done called
2023/08/10 22:37:07 [DEBUG] - wlroots: linux_dmabuf_feedback_handle_done called
2023/08/10 22:37:07 [DEBUG] - wayland: dmabuf_feedback listeners run
2023/08/10 22:37:15 [INFO] - dbus: create session method invoked
2023/08/10 22:37:15 [INFO] - dbus: request_handle: /org/freedesktop/portal/desktop/request/1_28/webrtc_107886671
2023/08/10 22:37:15 [INFO] - dbus: session_handle: /org/freedesktop/portal/desktop/session/1_28/webrtc_session557058456
2023/08/10 22:37:15 [INFO] - dbus: app_id:
2023/08/10 22:37:15 [INFO] - dbus: select sources method invoked
2023/08/10 22:37:15 [INFO] - dbus: request_handle: /org/freedesktop/portal/desktop/request/1_28/webrtc1001353819
2023/08/10 22:37:15 [INFO] - dbus: session_handle: /org/freedesktop/portal/desktop/session/1_28/webrtc_session557058456
2023/08/10 22:37:15 [INFO] - dbus: app_id:
2023/08/10 22:37:15 [DEBUG] - dbus: select sources: found matching session /org/freedesktop/portal/desktop/session/1_28/webrtc_session557058456
2023/08/10 22:37:15 [INFO] - dbus: option types:3
2023/08/10 22:37:15 [INFO] - dbus: option multiple: 0
2023/08/10 22:37:15 [INFO] - dbus: option persist_mode:1
2023/08/10 22:37:15 [INFO] - wlroots: capturable output: Chimei Innolux Corporation model: 0x140A: id: 44 name: eDP-1
2023/08/10 22:37:15 [DEBUG] - wlroots: output chooser called
2023/08/10 22:37:15 [DEBUG] - wlroots: output chooser called
2023/08/10 22:37:16 [DEBUG] - wlroots: output chooser selects eDP-1
2023/08/10 22:37:16 [INFO] - xdpw: screencast instance 0x55664db234b0 has 1 references
2023/08/10 22:37:16 [INFO] - xdpw: 1 active screencast instances
2023/08/10 22:37:16 [INFO] - wlroots: output: eDP-1
2023/08/10 22:37:16 [INFO] - dbus: session closed
2023/08/10 22:37:16 [DEBUG] - dbus: destroying session 0x55664db0db00
2023/08/10 22:37:16 [DEBUG] - xdpw: screencast instance 0x55664db234b0 now has 0 references
2023/08/10 22:37:16 [DEBUG] - xdpw: destroying cast instance
What's really interesting is that Chromium's "share entire screen" preview works - I can see the small screen there after selecting it. But then, once I start the screenshare, nothing - just like on Firefox.
Finally found the culprit: an assertion is failing over on PipeWire:
'loop->recurse > 0' failed at ../pipewire/src/pipewire/thread-loop.c:426 pw_thread_loop_wait()
I also found that OBS can screenshare just fine. It seems like jumping from the "preview" to the actual screenshare on firefox/chromium is what causes the error. I filed a pipewire issue to see if the failed assertion can get us anywhere: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/3428
Ah, this is fixed in Firefox Beta 117.0b8, so it was clearly a problem on their side. I initially thought it was https://bugzilla.mozilla.org/show_bug.cgi?id=1841851, but updating regular firefox to 116.0.3 did not fix it. Either way, apologies for the noise, I was just frantically trying to debug the breakage :)
Nice. Glad you got it sorted.
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I think Mutter's is
meta-screen-cast-src