mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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doc: improve formatting
This commit is contained in:
Wim Taymans
parent
d7315ee572
commit
b5224a6844
1 changed files with 159 additions and 160 deletions
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@ -35,11 +35,11 @@ variable length payload size:
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These are four uint32 words to be read in native endianness.
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Id: the message id this is the destination resource/proxy id
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opcode: the opcode on the resource/proxy interface
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size: the size of the payload and optional footer of the message
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seq: an increasing sequence number for each message
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n_fds: number of file descriptors in this message.
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- Id: the message id this is the destination resource/proxy id
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- opcode: the opcode on the resource/proxy interface
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- size: the size of the payload and optional footer of the message
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- seq: an increasing sequence number for each message
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- n_fds: number of file descriptors in this message.
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The sender should send along with each message the fds that belong to
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the message. If there are more than the maximum number of fds in the
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@ -87,8 +87,8 @@ method have been completed.
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)
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```
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id: the id will be returned in the Done event.
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seq: is usually generated automatically and will be returned in the Done event.
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- id: the id will be returned in the Done event.
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- seq: is usually generated automatically and will be returned in the Done event.
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### Pong (Opcode 3)
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@ -115,10 +115,10 @@ An error occured in an object on the client.
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)
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```
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id: The id of the proxy that is in error.
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seq: a seq number from the failing request (if any)
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res: a negative errno style error code
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message: an error message
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- id: The id of the proxy that is in error.
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- seq: a seq number from the failing request (if any)
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- res: a negative errno style error code
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- message: an error message
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### GetRegistry (Opcode 5)
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@ -136,8 +136,8 @@ new_id (in the message Id field).
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)
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```
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version: the version of the registry interface used on the client
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new_id: the id of the new proxy with the registry interface
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- version: the version of the registry interface used on the client
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- new_id: the id of the new proxy with the registry interface
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### CreateObject (Opcode 6)
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@ -161,11 +161,11 @@ exchanged between the new object of the given type.
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)
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```
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factory_name: the name of a server factory object to use
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type: the type of the object to create, this is also the type of the
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- factory_name: the name of a server factory object to use
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- type: the type of the object to create, this is also the type of the
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interface of the new_id proxy.
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props: extra properties to create the object
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new_id: the proxy id of the new object
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- props: extra properties to create the object
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- new_id: the proxy id of the new object
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### Destroy (Opcode 7)
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@ -177,7 +177,7 @@ Destroy an object.
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)
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```
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id: the proxy id of the object to destroy.
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- id: the proxy id of the object to destroy.
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## Core Events
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@ -205,15 +205,14 @@ server.
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)
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```
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id: the id of the server (0)
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cookie: a unique cookie for this server
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user_name: the name of the user running the server
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host_name: the name of the host running the server
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version: a version string of the server
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name: the name of the server
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change_mask: a set of bits with changes to the info
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- 1<<0: Properties changed
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props: optional key/value properties
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- id: the id of the server (0)
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- cookie: a unique cookie for this server
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- user_name: the name of the user running the server
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- host_name: the name of the host running the server
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- version: a version string of the server
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- name: the name of the server
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- change_mask: a set of bits with changes to the info
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- props: optional key/value properties, valid when change_mask has (1<<0)
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### Done (Opcode 1)
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@ -240,9 +239,9 @@ that it has processed the previous events.
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)
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```
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id: the object id to ping
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seq: usually automatically generated. The client should pass this in the Pong
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method reply.
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- id: the object id to ping
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- seq: usually automatically generated. The client should pass this in the Pong
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method reply.
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### Error (Opcode 3)
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@ -261,10 +260,10 @@ for (debugging) convenience.
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)
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```
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id: The id of the resource that is in error.
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seq: a seq number from the failing request (if any)
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res: a negative errno style error code
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message: an error message
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- id: The id of the resource that is in error.
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- seq: a seq number from the failing request (if any)
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- res: a negative errno style error code
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- message: an error message
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### RemoveId (Opcode 4)
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@ -281,6 +280,8 @@ safely reuse the object ID.
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)
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```
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- id: a proxy id that was removed
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### BoundId (Opcode 5)
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This event is emitted when a local object ID is bound to a
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@ -295,8 +296,8 @@ be used because it also contains extra properties.
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)
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```
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id: a proxy id
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global_id: the global_id as it will appear in the registry.
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- id: a proxy id
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- global_id: the global_id as it will appear in the registry.
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### AddMem (Opcode 6)
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@ -313,10 +314,10 @@ unique identifier id.
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)
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```
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id: a server allocated id for this memory
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type: the memory type, see enum spa_data_type
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fd: the index of the fd sent with this message
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flags: extra flags
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- id: a server allocated id for this memory
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- type: the memory type, see enum spa_data_type
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- fd: the index of the fd sent with this message
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- flags: extra flags
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### RemoveMem (Opcode 7)
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@ -328,8 +329,7 @@ Remove memory for a client with the given id
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)
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```
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id: the id of the memory to remove. This is the Id from
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AddMem.
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- id: the id of the memory to remove. This is the Id from AddMem.
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### BoundProps (Opcode 8)
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@ -349,9 +349,9 @@ registry.
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)
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```
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id: a proxy id
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global_id: the global_id as it will appear in the registry.
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props: the properties of the global
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- id: a proxy id
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- global_id: the global_id as it will appear in the registry.
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- props: the properties of the global
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# Registry proxy/resource
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@ -375,10 +375,10 @@ send to the remote global object and events can be received.
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)
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```
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id: the global_id to bind to
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type: the type of the global id
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version: the client version of the interface for type
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new_id: the client proxy id for the global object
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- id: the global_id to bind to
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- type: the type of the global id
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- version: the client version of the interface for type
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- new_id: the client proxy id for the global object
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### Destroy (Opcode 2)
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@ -391,7 +391,7 @@ client does not have permission.
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)
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```
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id: the global id to destroy.
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- id: the global id to destroy.
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## Registry Events
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@ -413,11 +413,11 @@ Notify a client about a new global object.
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)
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```
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id: the global id
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permissions: permission bits
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type: the type of object
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version: the server version of the object
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props: extra global properties
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- id: the global id
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- permissions: permission bits
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- type: the type of object
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- version: the server version of the object
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- props: extra global properties
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### GlobalRemove (Opcode 1)
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@ -429,7 +429,7 @@ A global with id was removed
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)
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```
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id: the global id that was removed.
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- id: the global id that was removed.
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# PipeWire:Interface:Client
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@ -453,9 +453,9 @@ Is used to send an error to a client.
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)
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```
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id: a client proxy id to send the error to
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res: a negative errno style error code
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error: an error message
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- id: a client proxy id to send the error to
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- res: a negative errno style error code
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- error: an error message
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### UpdateProperties (Opcode 2)
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@ -470,7 +470,7 @@ Is used to update the properties of a client.
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): props
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)
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```
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props: properties to update on the client.
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- props: properties to update on the client.
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### GetPermissions (Opcode 3)
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@ -482,8 +482,8 @@ Get the currently configured permissions on the client.
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Int: num
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)
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```
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index: the start index of the permissions to get
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num: the number of permissions to get
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- index: the start index of the permissions to get
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- num: the number of permissions to get
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This method will result in at most num Permission Events.
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@ -502,9 +502,9 @@ provided array with permissions
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)
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```
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n_permissions: number of permissions
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id: the global id
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permissions: the permissions for the global id
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- n_permissions: number of permissions
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- id: the global id
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- permissions: the permissions for the global id
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## Client Events
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@ -524,10 +524,9 @@ when the client info is updated later.
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): props
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)
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```
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id: the global id of the client
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change_mask: the changes emitted by this event
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- Props (1<<0) property changes
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props: properties of this object.
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- id: the global id of the client
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- change_mask: the changes emitted by this event
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- props: properties of this object, valid when change_mask has (1<<0)
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### Permissions (Opcode 1)
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@ -543,10 +542,10 @@ Emitted as the reply of the GetPermissions method.
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)
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)
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```
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index: index of the first permission
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n_permissions: the number of permission entries
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id: the global id of the object
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permissions: the permission for the given id
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- index: index of the first permission
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- n_permissions: the number of permission entries
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- id: the global id of the object
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- permissions: the permission for the given id
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# PipeWire:Interface:Device
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@ -567,7 +566,7 @@ Automatically emit Param events for the given ids when they are changed.
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Array[Id]: ids
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)
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```
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ids: and array of param Id to subscribe to
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- ids: and array of param Id to subscribe to
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### EnumParams (Opcode 2)
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@ -582,11 +581,11 @@ Enumerate the values of a param. This will result in Param events.
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Pod: filter
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)
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```
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seq: an automatically generated sequence number, will be copied into the reply
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id: the param id to enumerate.
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index: the first param index to retrieve
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num: the number of params to retrieve
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filter: an optional filter object for the param.
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- seq: an automatically generated sequence number, will be copied into the reply
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- id: the param id to enumerate.
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- index: the first param index to retrieve
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- num: the number of params to retrieve
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- filter: an optional filter object for the param.
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### SetParam (Opcode 3)
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@ -599,9 +598,9 @@ Set a parameter on the Device.
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Pod: param
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)
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```
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id: the param id to set.
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flags: extra flags
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param: the param object to set
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- id: the param id to set.
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- flags: extra flags
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- param: the param object to set
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## Device events
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@ -626,13 +625,13 @@ The info event is emitted when binding or when the device information changed.
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)
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```
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id: the id of the global
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change_mask: a bitmask of changed fields
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props: extra properties, valid when change_mask is (1<<0)
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param_info: info about the parameters, valid when change_mask is (1<<1)
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- id: the id of the global
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- change_mask: a bitmask of changed fields
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- props: extra properties, valid when change_mask is (1<<0)
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- param_info: info about the parameters, valid when change_mask is (1<<1)
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For each parameter, the id and current flags are given.
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param_info.id : see enum spa_param_type
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param_info.flags: struct spa_param_info.flags
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- param_info.id : see enum spa_param_type
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- param_info.flags: struct spa_param_info.flags
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### Param (Opcode 1)
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@ -647,12 +646,12 @@ Emitted as a result of EnumParams or SubscribeParams.
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Pod: param
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)
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```
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seq: the sequence number send by the client EnumParams or server generated
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- seq: the sequence number send by the client EnumParams or server generated
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in the SubscribeParams case.
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id: the param id that is reported, see enum spa_param_type
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index: the index of the parameter
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next: the index of the next parameter
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param: the parameter. The object type depends on the id
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- id: the param id that is reported, see enum spa_param_type
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- index: the index of the parameter
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- next: the index of the next parameter
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- param: the parameter. The object type depends on the id
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# PipeWire:Interface:Factory
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@ -683,12 +682,12 @@ Info is emitted when binding to the factory global or when the information chang
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): props
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)
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```
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id: the global id of the factory
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name: the name of the factory. This can be used as the name for Core::CreateObject
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type: the object type produced by this factory
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version: the version of the object interface
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change_mask: bitfield of changed values.
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props: optional properties of the factory, valid when change_mask is (1<<0)
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- id: the global id of the factory
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- name: the name of the factory. This can be used as the name for Core::CreateObject
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- type: the object type produced by this factory
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- version: the version of the object interface
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- change_mask: bitfield of changed values.
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- props: optional properties of the factory, valid when change_mask is (1<<0)
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# PipeWire:Interface:Link
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@ -724,17 +723,17 @@ Info is emitted when binding to the link global or when the information changed.
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)
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```
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id: the global id of the link
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output_node_id: the global id of the output node
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output_port_id: the global id of the output port
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input_node_id: the global id of the input node
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input_port_id: the global id of the input port
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change_mask: bitfield of changed values.
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state: the state of the link, valid when change_mask has (1<<0)
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- id: the global id of the link
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- output_node_id: the global id of the output node
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- output_port_id: the global id of the output port
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- input_node_id: the global id of the input node
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- input_port_id: the global id of the input port
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- change_mask: bitfield of changed values.
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- state: the state of the link, valid when change_mask has (1<<0)
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- see enum pw_link_state for values
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error: an optional error string
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format: an optional format for the link, valid when change_mask has (1<<1)
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props: optional properties of the link, valid when change_mask is (1<<2)
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- error: an optional error string
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||||
- format: an optional format for the link, valid when change_mask has (1<<1)
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||||
- props: optional properties of the link, valid when change_mask is (1<<2)
|
||||
|
||||
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# PipeWire:Interface:Module
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|
|
@ -766,12 +765,12 @@ Info is emitted when binding to the module global or when the information change
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)
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||||
```
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||||
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||||
id: the global id of the module
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||||
name: the name of the module
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filename: the filename of the module
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args: arguments passed when loading the module
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change_mask: bitfield of changed values.
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||||
props: optional properties of the module, valid when change_mask has (1<<0)
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||||
- id: the global id of the module
|
||||
- name: the name of the module
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- filename: the filename of the module
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- args: arguments passed when loading the module
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||||
- change_mask: bitfield of changed values.
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||||
- props: optional properties of the module, valid when change_mask has (1<<0)
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# PipeWire:Interface:Node
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|
|
@ -789,7 +788,7 @@ Automatically emit Param events for the given ids when they are changed.
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Array[Id]: ids
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)
|
||||
```
|
||||
ids: and array of param Id to subscribe to
|
||||
- ids: and array of param Id to subscribe to
|
||||
|
||||
### EnumParams (Opcode 2)
|
||||
|
||||
|
|
@ -804,11 +803,11 @@ Enumerate the values of a param. This will result in Param events.
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|||
Pod: filter
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||||
)
|
||||
```
|
||||
seq: an automatically generated sequence number, will be copied into the reply
|
||||
id: the param id to enumerate.
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||||
index: the first param index to retrieve
|
||||
num: the number of params to retrieve
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||||
filter: an optional filter object for the param.
|
||||
- seq: an automatically generated sequence number, will be copied into the reply
|
||||
- id: the param id to enumerate.
|
||||
- index: the first param index to retrieve
|
||||
- num: the number of params to retrieve
|
||||
- filter: an optional filter object for the param.
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||||
|
||||
### SetParam (Opcode 3)
|
||||
|
||||
|
|
@ -821,9 +820,9 @@ Set a parameter on the Node.
|
|||
Pod: param
|
||||
)
|
||||
```
|
||||
id: the param id to set.
|
||||
flags: extra flags
|
||||
param: the param object to set
|
||||
- id: the param id to set.
|
||||
- flags: extra flags
|
||||
- param: the param object to set
|
||||
|
||||
### SendCommand (Opcode 4)
|
||||
|
||||
|
|
@ -834,7 +833,7 @@ Send a Command to the node.
|
|||
Pod: command
|
||||
)
|
||||
```
|
||||
command: the command to send. See enum spa_node_command
|
||||
- command: the command to send. See enum spa_node_command
|
||||
|
||||
## Node events
|
||||
|
||||
|
|
@ -865,20 +864,20 @@ The info event is emitted when binding or when the node information changed.
|
|||
)
|
||||
```
|
||||
|
||||
id: the id of the node global
|
||||
max_input_port: the maximum input ports for the node
|
||||
max_output_port: the maximum output ports for the node
|
||||
change_mask: a bitmask of changed fields
|
||||
n_input_port: the number of input ports, when change_mask has (1<<0)
|
||||
n_output_port: the number of output ports, when change_mask has (1<<1)
|
||||
state: the current node state, when change_mask has (1<<2)
|
||||
See enum pw_node_state for values
|
||||
error: an error message.
|
||||
props: extra properties, valid when change_mask is (1<<3)
|
||||
param_info: info about the parameters, valid when change_mask is (1<<4)
|
||||
- id: the id of the node global
|
||||
- max_input_port: the maximum input ports for the node
|
||||
- max_output_port: the maximum output ports for the node
|
||||
- change_mask: a bitmask of changed fields
|
||||
- n_input_port: the number of input ports, when change_mask has (1<<0)
|
||||
- n_output_port: the number of output ports, when change_mask has (1<<1)
|
||||
- state: the current node state, when change_mask has (1<<2)
|
||||
- See enum pw_node_state for values
|
||||
- error: an error message.
|
||||
- props: extra properties, valid when change_mask is (1<<3)
|
||||
- param_info: info about the parameters, valid when change_mask is (1<<4)
|
||||
For each parameter, the id and current flags are given.
|
||||
param_info.id : see enum spa_param_type
|
||||
param_info.flags: struct spa_param_info.flags
|
||||
- param_info.id : see enum spa_param_type
|
||||
- param_info.flags: struct spa_param_info.flags
|
||||
|
||||
### Param (Opcode 1)
|
||||
|
||||
|
|
@ -893,12 +892,12 @@ Emitted as a result of EnumParams or SubscribeParams.
|
|||
Pod: param
|
||||
)
|
||||
```
|
||||
seq: the sequence number send by the client EnumParams or server generated
|
||||
- seq: the sequence number send by the client EnumParams or server generated
|
||||
in the SubscribeParams case.
|
||||
id: the param id that is reported, see enum spa_param_type
|
||||
index: the index of the parameter
|
||||
next: the index of the next parameter
|
||||
param: the parameter. The object type depends on the id
|
||||
- id: the param id that is reported, see enum spa_param_type
|
||||
- index: the index of the parameter
|
||||
- next: the index of the next parameter
|
||||
- param: the parameter. The object type depends on the id
|
||||
|
||||
|
||||
# PipeWire:Interface:Port
|
||||
|
|
@ -916,7 +915,7 @@ Automatically emit Param events for the given ids when they are changed.
|
|||
Array[Id]: ids
|
||||
)
|
||||
```
|
||||
ids: and array of param Id to subscribe to
|
||||
- ids: and array of param Id to subscribe to
|
||||
|
||||
### EnumParams (Opcode 2)
|
||||
|
||||
|
|
@ -931,11 +930,11 @@ Enumerate the values of a param. This will result in Param events.
|
|||
Pod: filter
|
||||
)
|
||||
```
|
||||
seq: an automatically generated sequence number, will be copied into the reply
|
||||
id: the param id to enumerate.
|
||||
index: the first param index to retrieve
|
||||
num: the number of params to retrieve
|
||||
filter: an optional filter object for the param.
|
||||
- seq: an automatically generated sequence number, will be copied into the reply
|
||||
- id: the param id to enumerate.
|
||||
- index: the first param index to retrieve
|
||||
- num: the number of params to retrieve
|
||||
- filter: an optional filter object for the param.
|
||||
|
||||
## Port events
|
||||
|
||||
|
|
@ -961,14 +960,14 @@ The info event is emitted when binding or when the port information changed.
|
|||
)
|
||||
```
|
||||
|
||||
id: the id of the port global
|
||||
direction: the direction of the port, see enum pw_direction
|
||||
change_mask: a bitmask of changed fields
|
||||
props: extra properties, valid when change_mask is (1<<0)
|
||||
param_info: info about the parameters, valid when change_mask is (1<<1)
|
||||
- id: the id of the port global
|
||||
- direction: the direction of the port, see enum pw_direction
|
||||
- change_mask: a bitmask of changed fields
|
||||
- props: extra properties, valid when change_mask is (1<<0)
|
||||
- param_info: info about the parameters, valid when change_mask is (1<<1)
|
||||
For each parameter, the id and current flags are given.
|
||||
param_info.id : see enum spa_param_type
|
||||
param_info.flags: struct spa_param_info.flags
|
||||
- param_info.id : see enum spa_param_type
|
||||
- param_info.flags: struct spa_param_info.flags
|
||||
|
||||
### Param (Opcode 1)
|
||||
|
||||
|
|
@ -983,11 +982,11 @@ Emitted as a result of EnumParams or SubscribeParams.
|
|||
Pod: param
|
||||
)
|
||||
```
|
||||
seq: the sequence number send by the client EnumParams or server generated
|
||||
- seq: the sequence number send by the client EnumParams or server generated
|
||||
in the SubscribeParams case.
|
||||
id: the param id that is reported, see enum spa_param_type
|
||||
index: the index of the parameter
|
||||
next: the index of the next parameter
|
||||
- id: the param id that is reported, see enum spa_param_type
|
||||
- index: the index of the parameter
|
||||
- next: the index of the next parameter
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue