Struct pipewire_sys::pw_impl_node_events

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#[repr(C)]
pub struct pw_impl_node_events {
Show 17 fields
    pub version: u32,
    pub destroy: Option<unsafe extern "C" fn(data: *mut c_void)>,
    pub free: Option<unsafe extern "C" fn(data: *mut c_void)>,
    pub initialized: Option<unsafe extern "C" fn(data: *mut c_void)>,
    pub port_init: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>,
    pub port_added: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>,
    pub port_removed: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>,
    pub info_changed: Option<unsafe extern "C" fn(data: *mut c_void, info: *const pw_node_info)>,
    pub port_info_changed: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port, info: *const pw_port_info)>,
    pub active_changed: Option<unsafe extern "C" fn(data: *mut c_void, active: bool)>,
    pub state_request: Option<unsafe extern "C" fn(data: *mut c_void, state: pw_node_state)>,
    pub state_changed: Option<unsafe extern "C" fn(data: *mut c_void, old: pw_node_state, state: pw_node_state, error: *const c_char)>,
    pub result: Option<unsafe extern "C" fn(data: *mut c_void, seq: c_int, res: c_int, type_: u32, result: *const c_void)>,
    pub event: Option<unsafe extern "C" fn(data: *mut c_void, event: *const spa_event)>,
    pub driver_changed: Option<unsafe extern "C" fn(data: *mut c_void, old: *mut pw_impl_node, driver: *mut pw_impl_node)>,
    pub peer_added: Option<unsafe extern "C" fn(data: *mut c_void, peer: *mut pw_impl_node)>,
    pub peer_removed: Option<unsafe extern "C" fn(data: *mut c_void, peer: *mut pw_impl_node)>,

}
Expand description

Node events, listen to them with \ref pw_impl_node_add_listener

Fields§

§version: u32§destroy: Option<unsafe extern "C" fn(data: *mut c_void)>

the node is destroyed

§free: Option<unsafe extern "C" fn(data: *mut c_void)>

the node is about to be freed

§initialized: Option<unsafe extern "C" fn(data: *mut c_void)>

the node is initialized

§port_init: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>

a port is being initialized on the node

§port_added: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>

a port was added

§port_removed: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port)>

a port was removed

§info_changed: Option<unsafe extern "C" fn(data: *mut c_void, info: *const pw_node_info)>

the node info changed

§port_info_changed: Option<unsafe extern "C" fn(data: *mut c_void, port: *mut pw_impl_port, info: *const pw_port_info)>

a port on the node changed info

§active_changed: Option<unsafe extern "C" fn(data: *mut c_void, active: bool)>

the node active state changed

§state_request: Option<unsafe extern "C" fn(data: *mut c_void, state: pw_node_state)>

a new state is requested on the node

§state_changed: Option<unsafe extern "C" fn(data: *mut c_void, old: pw_node_state, state: pw_node_state, error: *const c_char)>

the state of the node changed

§result: Option<unsafe extern "C" fn(data: *mut c_void, seq: c_int, res: c_int, type_: u32, result: *const c_void)>

a result was received

§event: Option<unsafe extern "C" fn(data: *mut c_void, event: *const spa_event)>

an event is emitted

§driver_changed: Option<unsafe extern "C" fn(data: *mut c_void, old: *mut pw_impl_node, driver: *mut pw_impl_node)>

the driver of the node changed

§peer_added: Option<unsafe extern "C" fn(data: *mut c_void, peer: *mut pw_impl_node)>

a peer was added

§peer_removed: Option<unsafe extern "C" fn(data: *mut c_void, peer: *mut pw_impl_node)>

a peer was removed

Trait Implementations§

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impl Clone for pw_impl_node_events

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fn clone(&self) -> pw_impl_node_events

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for pw_impl_node_events

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Copy for pw_impl_node_events

Auto Trait Implementations§

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.