PipeWire 1.6.8

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keys.h File Reference
Core API » Key Names

pipewire/keys.h More...

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## Macros
#define | PW_KEY_PROTOCOL "pipewire.protocol"
| protocol used for connection
#define | PW_KEY_ACCESS "pipewire.access"
| how the client access is controlled
#define | PW_KEY_CLIENT_ACCESS "pipewire.client.access
| how the client wants to be access controlled
#define | PW_KEY_SEC_PID "pipewire.sec.pid"
| Various keys related to the identity of a client process and its security.
#define | PW_KEY_SEC_UID "pipewire.sec.uid"
| Client uid, set by protocol.
#define | PW_KEY_SEC_GID "pipewire.sec.gid"
| client gid, set by protocol
#define | PW_KEY_SEC_LABEL "pipewire.sec.label"
| client security label, set by protocol
#define | PW_KEY_SEC_SOCKET "pipewire.sec.socket"
| client socket name, set by protocol
#define | PW_KEY_SEC_ENGINE "pipewire.sec.engine"
| client secure context engine, set by protocol.
#define | PW_KEY_SEC_APP_ID "pipewire.sec.app-id"
| client secure application id
#define | PW_KEY_SEC_INSTANCE_ID "pipewire.sec.instance-id"
| client secure instance id
#define | PW_KEY_LIBRARY_NAME_SYSTEM "library.name.system"
| name of the system library to use
#define | PW_KEY_LIBRARY_NAME_LOOP "library.name.loop"
| name of the loop library to use
#define | PW_KEY_LIBRARY_NAME_DBUS "library.name.dbus"
| name of the dbus library to use
#define | PW_KEY_OBJECT_PATH "object.path"
| object properties
#define | PW_KEY_OBJECT_ID "object.id"
| a global object id
#define | PW_KEY_OBJECT_SERIAL "object.serial"
| a 64 bit object serial number.
#define | PW_KEY_OBJECT_LINGER "object.linger"
| the object lives on even after the client that created it has been destroyed
#define | PW_KEY_OBJECT_REGISTER "object.register"
| If the object should be registered.
#define | PW_KEY_OBJECT_EXPORT "object.export"
| If the object should be exported, since 0.3.72.
#define | PW_KEY_CONFIG_PREFIX "config.prefix"
| a config prefix directory
#define | PW_KEY_CONFIG_NAME "config.name"
| a config file name
#define | PW_KEY_CONFIG_OVERRIDE_PREFIX "config.override.prefix"
| a config override prefix directory
#define | PW_KEY_CONFIG_OVERRIDE_NAME "config.override.name"
| a config override file name
#define | PW_KEY_LOOP_NAME "loop.name"
| the name of a loop
#define | PW_KEY_LOOP_CLASS "loop.class"
| the classes this loop handles, array of strings
#define | PW_KEY_LOOP_RT_PRIO "loop.rt-prio"
| realtime priority of the loop
#define | PW_KEY_LOOP_CANCEL "loop.cancel"
| if the loop can be canceled
#define | PW_KEY_CONTEXT_PROFILE_MODULES "context.profile.modules"
| a context profile for modules, deprecated
#define | PW_KEY_USER_NAME "context.user-name"
| The user name that runs pipewire.
#define | PW_KEY_HOST_NAME "context.host-name"
| The host name of the machine.
#define | PW_KEY_CORE_NAME "core.name"
| The name of the core.
#define | PW_KEY_CORE_VERSION "core.version"
| The version of the core.
#define | PW_KEY_CORE_DAEMON "core.daemon"
| If the core is listening for connections.
#define | PW_KEY_CORE_ID "core.id"
| the core id
#define | PW_KEY_CORE_MONITORS "core.monitors"
| the apis monitored by core.
#define | PW_KEY_CPU_MAX_ALIGN "cpu.max-align"
| maximum alignment needed to support all CPU optimizations
#define | PW_KEY_CPU_CORES "cpu.cores"
| number of cores
#define | PW_KEY_PRIORITY_SESSION "priority.session"
| priority in session manager
#define | PW_KEY_PRIORITY_DRIVER "priority.driver"
| priority to be a driver
#define | PW_KEY_REMOTE_NAME "remote.name"
| The name of the remote to connect to, default pipewire-0, overwritten by env(PIPEWIRE_REMOTE).
#define | PW_KEY_REMOTE_INTENTION "remote.intention"
| The intention of the remote connection, "generic", "screencast", "manager".
#define | PW_KEY_APP_NAME "application.name"
| application keys
#define | PW_KEY_APP_ID "application.id"
| a textual id for identifying an application logically.
#define | PW_KEY_APP_VERSION "application.version"
| application version.
#define | PW_KEY_APP_ICON "application.icon"
| aa base64 blob with PNG image data
#define | PW_KEY_APP_ICON_NAME "application.icon-name"
| an XDG icon name for the application.
#define | PW_KEY_APP_LANGUAGE "application.language"
| application language if applicable, in standard POSIX format.
#define | PW_KEY_APP_PROCESS_ID "application.process.id"
| process id (pid)
#define | PW_KEY_APP_PROCESS_BINARY "application.process.binary"
| binary name
#define | PW_KEY_APP_PROCESS_USER "application.process.user"
| user name
#define | PW_KEY_APP_PROCESS_HOST "application.process.host"
| host name
#define | PW_KEY_APP_PROCESS_MACHINE_ID "application.process.machine-id"
| the D-Bus host id the application runs on
#define | PW_KEY_APP_PROCESS_SESSION_ID "application.process.session-id"
| login session of the application, on Unix the value of $XDG_SESSION_ID.
#define | PW_KEY_WINDOW_X11_DISPLAY "window.x11.display"
| window system
#define | PW_KEY_CLIENT_ID "client.id"
| Client properties.
#define | PW_KEY_CLIENT_NAME "client.name"
| the client name
#define | PW_KEY_CLIENT_API "client.api"
| the client api used to access PipeWire
#define | PW_KEY_NODE_ID "node.id"
| Node keys.
#define | PW_KEY_NODE_NAME "node.name"
| node name
#define | PW_KEY_NODE_NICK "node.nick"
| short node name
#define | PW_KEY_NODE_DESCRIPTION "node.description"
| localized human readable node one-line description.
#define | PW_KEY_NODE_PLUGGED "node.plugged"
| when the node was created.
#define | PW_KEY_NODE_SESSION "node.session"
| the session id this node is part of
#define | PW_KEY_NODE_GROUP "node.group"
| the group id this node is part of.
#define | PW_KEY_NODE_SYNC_GROUP "node.sync-group"
| the sync group this node is part of.
#define | PW_KEY_NODE_SYNC "node.sync"
| if the sync-group is active or not
#define | PW_KEY_NODE_TRANSPORT "node.transport"
| if the transport is active or not
#define | PW_KEY_NODE_EXCLUSIVE "node.exclusive"
| node wants exclusive access to resources
#define | PW_KEY_NODE_AUTOCONNECT "node.autoconnect"
| node wants to be automatically connected to a compatible node
#define | PW_KEY_NODE_LATENCY "node.latency"
| the requested latency of the node as a fraction.
#define | PW_KEY_NODE_MAX_LATENCY "node.max-latency"
| the maximum supported latency of the node as a fraction.
#define | PW_KEY_NODE_LOCK_QUANTUM "node.lock-quantum"
| don't change quantum when this node is active
#define | PW_KEY_NODE_FORCE_QUANTUM "node.force-quantum"
| force a quantum while the node is active
#define | PW_KEY_NODE_RATE "node.rate"
| the requested rate of the graph as a fraction.
#define | PW_KEY_NODE_LOCK_RATE "node.lock-rate"
| don't change rate when this node is active
#define | PW_KEY_NODE_FORCE_RATE "node.force-rate"
| force a rate while the node is active.
#define | PW_KEY_NODE_DONT_RECONNECT "node.dont-reconnect"
| don't reconnect this node.
#define | PW_KEY_NODE_ALWAYS_PROCESS "node.always-process"
| process even when unlinked
#define | PW_KEY_NODE_WANT_DRIVER "node.want-driver"
| the node wants to be grouped with a driver node in order to schedule the graph.
#define | PW_KEY_NODE_PAUSE_ON_IDLE "node.pause-on-idle"
| pause the node when idle
#define | PW_KEY_NODE_SUSPEND_ON_IDLE "node.suspend-on-idle"
| suspend the node when idle
#define | PW_KEY_NODE_CACHE_PARAMS "node.cache-params"
| cache the node params
#define | PW_KEY_NODE_TRANSPORT_SYNC "node.transport.sync"
| the node handles transport sync
#define | PW_KEY_NODE_DRIVER "node.driver"
| node can drive the graph.
#define | PW_KEY_NODE_SUPPORTS_LAZY "node.supports-lazy"
| the node can be a lazy driver.
#define | PW_KEY_NODE_SUPPORTS_REQUEST "node.supports-request"
| The node supports emiting RequestProcess events when it wants the graph to be scheduled.
#define | PW_KEY_NODE_DRIVER_ID "node.driver-id"
| the node id of the node assigned as driver for this node
#define | PW_KEY_NODE_ASYNC "node.async"
| the node wants async scheduling
#define | PW_KEY_NODE_LOOP_NAME "node.loop.name"
| the loop name fnmatch pattern to run in
#define | PW_KEY_NODE_LOOP_CLASS "node.loop.class"
| the loop class fnmatch pattern to run in
#define | PW_KEY_NODE_STREAM "node.stream"
| node is a stream, the server side should add a converter
#define | PW_KEY_NODE_VIRTUAL "node.virtual"
| the node is some sort of virtual object
#define | PW_KEY_NODE_PASSIVE "node.passive"
| indicate that a node wants passive links on output/input/all ports when the value is "out"/"in"/"true" respectively
#define | PW_KEY_NODE_LINK_GROUP "node.link-group"
| the node is internally linked to nodes with the same link-group.
#define | PW_KEY_NODE_NETWORK "node.network"
| the node is on a network
#define | PW_KEY_NODE_TRIGGER "node.trigger"
| the node is not scheduled automatically based on the dependencies in the graph but it will be triggered explicitly.
#define | PW_KEY_NODE_CHANNELNAMES "node.channel-names"
| names of node's channels (unrelated to positions)
#define | PW_KEY_NODE_DEVICE_PORT_NAME_PREFIX "node.device-port-name-prefix"
| override port name prefix for device ports, like capture and playback or disable the prefix completely if an empty string is provided
#define | PW_KEY_NODE_PHYSICAL "node.physical"
| ports from the node are physical
#define | PW_KEY_NODE_TERMINAL "node.terminal"
| ports from the node are terminal
#define | PW_KEY_NODE_RELIABLE "node.reliable"
| node uses reliable transport 1.6.0
#define | PW_KEY_PORT_ID "port.id"
| Port keys.
#define | PW_KEY_PORT_NAME "port.name"
| port name
#define | PW_KEY_PORT_DIRECTION "port.direction"
| the port direction, one of "in" or "out" or "control" and "notify" for control ports
#define | PW_KEY_PORT_ALIAS "port.alias"
| port alias
#define | PW_KEY_PORT_PHYSICAL "port.physical"
| if this is a physical port
#define | PW_KEY_PORT_TERMINAL "port.terminal"
| if this port consumes the data
#define | PW_KEY_PORT_CONTROL "port.control"
| if this port is a control port
#define | PW_KEY_PORT_MONITOR "port.monitor"
| if this port is a monitor port
#define | PW_KEY_PORT_CACHE_PARAMS "port.cache-params"
| cache the node port params
#define | PW_KEY_PORT_EXTRA "port.extra"
| api specific extra port info, API name should be prefixed.
#define | PW_KEY_PORT_PASSIVE "port.passive"
| the ports wants passive links, since 0.3.67
#define | PW_KEY_PORT_IGNORE_LATENCY "port.ignore-latency"
| latency ignored by peers, since 0.3.71
#define | PW_KEY_PORT_GROUP "port.group"
| the port group of the port 1.2.0
#define | PW_KEY_PORT_EXCLUSIVE "port.exclusive"
| link port only once 1.6.0
#define | PW_KEY_PORT_RELIABLE "port.reliable"
| port uses reliable transport 1.6.0
#define | PW_KEY_LINK_ID "link.id"
| link properties
#define | PW_KEY_LINK_INPUT_NODE "link.input.node"
| input node id of a link
#define | PW_KEY_LINK_INPUT_PORT "link.input.port"
| input port id of a link
#define | PW_KEY_LINK_OUTPUT_NODE "link.output.node"
| output node id of a link
#define | PW_KEY_LINK_OUTPUT_PORT "link.output.port"
| output port id of a link
#define | PW_KEY_LINK_PASSIVE "link.passive"
| indicate that a link is passive and does not cause the graph to be runnable.
#define | PW_KEY_LINK_FEEDBACK "link.feedback"
| indicate that a link is a feedback link and the target will receive data in the next cycle
#define | PW_KEY_LINK_ASYNC "link.async"
| the link is using async io
#define | PW_KEY_DEVICE_ID "device.id"
| device properties
#define | PW_KEY_DEVICE_NAME "device.name"
| device name
#define | PW_KEY_DEVICE_PLUGGED "device.plugged"
| when the device was created.
#define | PW_KEY_DEVICE_NICK "device.nick"
| a short device nickname
#define | PW_KEY_DEVICE_STRING "device.string"
| device string in the underlying layer's format.
#define | PW_KEY_DEVICE_API "device.api"
| API this device is accessed with.
#define | PW_KEY_DEVICE_DESCRIPTION "device.description"
| localized human readable device one-line description.
#define | PW_KEY_DEVICE_BUS_PATH "device.bus-path"
| bus path to the device in the OS' format.
#define | PW_KEY_DEVICE_SERIAL "device.serial"
| Serial number if applicable.
#define | PW_KEY_DEVICE_VENDOR_ID "device.vendor.id"
| vendor ID if applicable
#define | PW_KEY_DEVICE_VENDOR_NAME "device.vendor.name"
| vendor name if applicable
#define | PW_KEY_DEVICE_PRODUCT_ID "device.product.id"
| product ID if applicable
#define | PW_KEY_DEVICE_PRODUCT_NAME "device.product.name"
| product name if applicable
#define | PW_KEY_DEVICE_CLASS "device.class"
| device class
#define | PW_KEY_DEVICE_FORM_FACTOR "device.form-factor"
| form factor if applicable.
#define | PW_KEY_DEVICE_BUS "device.bus"
| bus of the device if applicable.
#define | PW_KEY_DEVICE_SUBSYSTEM "device.subsystem"
| device subsystem
#define | PW_KEY_DEVICE_SYSFS_PATH "device.sysfs.path"
| device sysfs path
#define | PW_KEY_DEVICE_ICON "device.icon"
| icon for the device.
#define | PW_KEY_DEVICE_ICON_NAME "device.icon-name"
| an XDG icon name for the device.
#define | PW_KEY_DEVICE_INTENDED_ROLES "device.intended-roles"
| intended use.
#define | PW_KEY_DEVICE_CACHE_PARAMS "device.cache-params"
| cache the device spa params
#define | PW_KEY_MODULE_ID "module.id"
| module properties
#define | PW_KEY_MODULE_NAME "module.name"
| the name of the module
#define | PW_KEY_MODULE_AUTHOR "module.author"
| the author's name
#define | PW_KEY_MODULE_DESCRIPTION "module.description"
| a human readable one-line description of the module's purpose.
#define | PW_KEY_MODULE_USAGE "module.usage"
| a human readable usage description of the module's arguments.
#define | PW_KEY_MODULE_VERSION "module.version"
| a version string for the module.
#define | PW_KEY_MODULE_DEPRECATED "module.deprecated"
| the module is deprecated with this message
#define | PW_KEY_FACTORY_ID "factory.id"
| Factory properties.
#define | PW_KEY_FACTORY_NAME "factory.name"
| the name of the factory
#define | PW_KEY_FACTORY_USAGE "factory.usage"
| the usage of the factory
#define | PW_KEY_FACTORY_TYPE_NAME "factory.type.name"
| the name of the type created by a factory
#define | PW_KEY_FACTORY_TYPE_VERSION "factory.type.version"
| the version of the type created by a factory
#define | PW_KEY_STREAM_IS_LIVE "stream.is-live"
| Stream properties.
#define | PW_KEY_STREAM_LATENCY_MIN "stream.latency.min"
| The minimum latency of the stream.
#define | PW_KEY_STREAM_LATENCY_MAX "stream.latency.max"
| The maximum latency of the stream.
#define | PW_KEY_STREAM_MONITOR "stream.monitor"
| Indicates that the stream is monitoring and might select a less accurate but faster conversion algorithm.
#define | PW_KEY_STREAM_DONT_REMIX "stream.dont-remix"
| don't remix channels
#define | PW_KEY_STREAM_CAPTURE_SINK "stream.capture.sink"
| Try to capture the sink output instead of source output.
#define | PW_KEY_MEDIA_TYPE "media.type"
| Media.
#define | PW_KEY_MEDIA_CATEGORY "media.category"
| Media Category: Playback, Capture, Duplex, Monitor, Manager.
#define | PW_KEY_MEDIA_ROLE "media.role"
| Role: Movie, Music, Camera, Screen, Communication, Game, Notification, DSP, Production, Accessibility, Test.
#define | PW_KEY_MEDIA_CLASS "media.class"
| class Ex: "Video/Source"
#define | PW_KEY_MEDIA_NAME "media.name"
| media name.
#define | PW_KEY_MEDIA_TITLE "media.title"
| title.
#define | PW_KEY_MEDIA_ARTIST "media.artist"
| artist.
#define | PW_KEY_MEDIA_ALBUM "media.album"
| album.
#define | PW_KEY_MEDIA_COPYRIGHT "media.copyright"
| copyright string
#define | PW_KEY_MEDIA_SOFTWARE "media.software"
| generator software
#define | PW_KEY_MEDIA_LANGUAGE "media.language"
| language in POSIX format.
#define | PW_KEY_MEDIA_FILENAME "media.filename"
| filename
#define | PW_KEY_MEDIA_ICON "media.icon"
| icon for the media, a base64 blob with PNG image data
#define | PW_KEY_MEDIA_ICON_NAME "media.icon-name"
| an XDG icon name for the media.
#define | PW_KEY_MEDIA_COMMENT "media.comment"
| extra comment
#define | PW_KEY_MEDIA_DATE "media.date"
| date of the media
#define | PW_KEY_MEDIA_FORMAT "media.format"
| format of the media
#define | PW_KEY_FORMAT_DSP "format.dsp"
| format related properties
#define | PW_KEY_AUDIO_CHANNEL "audio.channel"
| audio related properties
#define | PW_KEY_AUDIO_RATE "audio.rate"
| an audio samplerate
#define | PW_KEY_AUDIO_CHANNELS "audio.channels"
| number of audio channels
#define | PW_KEY_AUDIO_FORMAT "audio.format"
| an audio format.
#define | PW_KEY_AUDIO_ALLOWED_RATES "audio.allowed-rates"
| a list of allowed samplerates ex.
#define | PW_KEY_VIDEO_RATE "video.framerate"
| video related properties
#define | PW_KEY_VIDEO_FORMAT "video.format"
| a video format
#define | PW_KEY_VIDEO_SIZE "video.size"
| a video size as "<width>x<height"
#define | PW_KEY_TARGET_OBJECT "target.object"
| a target object to link to.
#define | PW_KEY_PRIORITY_MASTER PW_DEPRECATED("priority.master")
#define | PW_KEY_NODE_TARGET PW_DEPRECATED("node.target")
#define | PW_KEY_LOOP_RETRY_TIMEOUT PW_DEPRECATED("loop.retry-timeout")

## Detailed Description

pipewire/keys.h