Struct gstreamer_sys::GstElementClass

source · 
#[repr(C)]
pub struct GstElementClass {
Show 23 fields
    pub parent_class: GstObjectClass,
    pub metadata: gpointer,
    pub elementfactory: *mut GstElementFactory,
    pub padtemplates: *mut GList,
    pub numpadtemplates: c_int,
    pub pad_templ_cookie: u32,
    pub pad_added: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>,
    pub pad_removed: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>,
    pub no_more_pads: Option<unsafe extern "C" fn(_: *mut GstElement)>,
    pub request_new_pad: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPadTemplate, _: *const c_char, _: *const GstCaps) -> *mut GstPad>,
    pub release_pad: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>,
    pub get_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstState, _: *mut GstState, _: GstClockTime) -> GstStateChangeReturn>,
    pub set_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstState) -> GstStateChangeReturn>,
    pub change_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstStateChange) -> GstStateChangeReturn>,
    pub state_changed: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstState, _: GstState, _: GstState)>,
    pub set_bus: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstBus)>,
    pub provide_clock: Option<unsafe extern "C" fn(_: *mut GstElement) -> *mut GstClock>,
    pub set_clock: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstClock) -> gboolean>,
    pub send_event: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstEvent) -> gboolean>,
    pub query: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstQuery) -> gboolean>,
    pub post_message: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstMessage) -> gboolean>,
    pub set_context: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstContext)>,
    pub _gst_reserved: [gpointer; 18],

}

Fields§

§parent_class: GstObjectClass§metadata: gpointer§elementfactory: *mut GstElementFactory§padtemplates: *mut GList§numpadtemplates: c_int§pad_templ_cookie: u32§pad_added: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>§pad_removed: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>§no_more_pads: Option<unsafe extern "C" fn(_: *mut GstElement)>§request_new_pad: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPadTemplate, _: *const c_char, _: *const GstCaps) -> *mut GstPad>§release_pad: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstPad)>§get_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstState, _: *mut GstState, _: GstClockTime) -> GstStateChangeReturn>§set_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstState) -> GstStateChangeReturn>§change_state: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstStateChange) -> GstStateChangeReturn>§state_changed: Option<unsafe extern "C" fn(_: *mut GstElement, _: GstState, _: GstState, _: GstState)>§set_bus: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstBus)>§provide_clock: Option<unsafe extern "C" fn(_: *mut GstElement) -> *mut GstClock>§set_clock: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstClock) -> gboolean>§send_event: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstEvent) -> gboolean>§query: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstQuery) -> gboolean>§post_message: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstMessage) -> gboolean>§set_context: Option<unsafe extern "C" fn(_: *mut GstElement, _: *mut GstContext)>§_gst_reserved: [gpointer; 18]

Trait Implementations§

source§

impl Clone for GstElementClass

source§

fn clone(&self) -> GstElementClass

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

impl Debug for GstElementClass

source§

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

Formats the value using the given formatter. Read more
source§

impl Copy for GstElementClass

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for Twhere T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.