[]Struct gstreamer::StreamCollection

pub struct StreamCollection(_, _);

A collection of Stream that are available.

A StreamCollection will be provided by elements that can make those streams available. Applications can use the collection to show the user what streams are available by using StreamCollection::get_stream()

Once posted, a StreamCollection is immutable. Updates are made by sending a new StreamCollection message, which may or may not share some of the Stream objects from the collection it replaces. The receiver can check the sender of a stream collection message to know which collection is obsoleted.

Several elements in a pipeline can provide StreamCollection.

Applications can activate streams from a collection by using the EventType::SelectStreams event on a pipeline, bin or element.

Feature: v1_10

Implements

GstObjectExt, glib::object::ObjectExt

Methods

impl StreamCollection[src]

pub fn get_size(&self) -> u32[src]

Get the number of streams this collection contains

Feature: v1_10

Returns

The number of streams that self contains

pub fn get_stream(&self, index: u32) -> Option<Stream>[src]

Retrieve the Stream with index index from the collection.

The caller should not modify the returned Stream

Feature: v1_10

index

Index of the stream to retrieve

Returns

A Stream

pub fn get_upstream_id(&self) -> Option<GString>[src]

Returns the upstream id of the self.

Feature: v1_10

Returns

The upstream id

pub fn get_property_upstream_id(&self) -> Option<GString>[src]

pub fn set_property_upstream_id(&self, upstream_id: Option<&str>)[src]

pub fn connect_property_upstream_id_notify<F: Fn(&StreamCollection) + Send + Sync + 'static>(
    &self,
    f: F
) -> SignalHandlerId
[src]

impl StreamCollection[src]

pub fn new(upstream_id: Option<&str>) -> StreamCollection[src]

Create a new StreamCollection.

Feature: v1_10

upstream_id

The stream id of the parent stream

Returns

The new StreamCollection.

pub fn add_stream<P: IsA<Stream>>(&self, stream: &P)[src]

Important traits for Iter<'a>
pub fn iter(&self) -> Iter[src]

pub fn len(&self) -> usize[src]

pub fn is_empty(&self) -> bool[src]

Trait Implementations

impl Clone for StreamCollection

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Eq for StreamCollection

impl Ord for StreamCollection

fn max(self, other: Self) -> Self1.21.0[src]

Compares and returns the maximum of two values. Read more

fn min(self, other: Self) -> Self1.21.0[src]

Compares and returns the minimum of two values. Read more

fn clamp(self, min: Self, max: Self) -> Self[src]

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval. Read more

impl Sync for StreamCollection[src]

impl Send for StreamCollection[src]

impl<T: ObjectType> PartialEq<T> for StreamCollection

#[must_use] fn ne(&self, other: &Rhs) -> bool1.0.0[src]

This method tests for !=.

impl<T: ObjectType> PartialOrd<T> for StreamCollection

#[must_use] fn lt(&self, other: &Rhs) -> bool1.0.0[src]

This method tests less than (for self and other) and is used by the < operator. Read more

#[must_use] fn le(&self, other: &Rhs) -> bool1.0.0[src]

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

#[must_use] fn gt(&self, other: &Rhs) -> bool1.0.0[src]

This method tests greater than (for self and other) and is used by the > operator. Read more

#[must_use] fn ge(&self, other: &Rhs) -> bool1.0.0[src]

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

impl Debug for StreamCollection

impl Hash for StreamCollection

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher
1.3.0[src]

Feeds a slice of this type into the given [Hasher]. Read more

impl IsA<Object> for StreamCollection

impl StaticType for StreamCollection

Blanket Implementations

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

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

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<'a, T> ToGlibContainerFromSlice<'a, *mut GList> for T where
    T: GlibPtrDefault + ToGlibPtr<'a, <T as GlibPtrDefault>::GlibType>, 
[src]

impl<'a, T> ToGlibContainerFromSlice<'a, *mut GArray> for T where
    T: GlibPtrDefault + ToGlibPtr<'a, <T as GlibPtrDefault>::GlibType>, 
[src]

impl<'a, T> ToGlibContainerFromSlice<'a, *const GList> for T where
    T: GlibPtrDefault + ToGlibPtr<'a, <T as GlibPtrDefault>::GlibType>, 
[src]

impl<T> Cast for T where
    T: ObjectType
[src]

fn upcast<T>(self) -> T where
    Self: IsA<T>,
    T: ObjectType
[src]

Upcasts an object to a superclass or interface T. Read more

fn upcast_ref<T>(&self) -> &T where
    Self: IsA<T>,
    T: ObjectType
[src]

Upcasts an object to a reference of its superclass or interface T. Read more

fn downcast<T>(self) -> Result<T, Self> where
    Self: CanDowncast<T>,
    T: ObjectType
[src]

Tries to downcast to a subclass or interface implementor T. Read more

fn downcast_ref<T>(&self) -> Option<&T> where
    Self: CanDowncast<T>,
    T: ObjectType
[src]

Tries to downcast to a reference of its subclass or interface implementor T. Read more

fn dynamic_cast<T>(self) -> Result<T, Self> where
    T: ObjectType
[src]

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more

fn dynamic_cast_ref<T>(&self) -> Option<&T> where
    T: ObjectType
[src]

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more

unsafe fn unsafe_cast<T>(self) -> T where
    T: ObjectType
[src]

Casts to T unconditionally. Read more

unsafe fn unsafe_cast_ref<T>(&self) -> &T where
    T: ObjectType
[src]

Casts to &T unconditionally. Read more

impl<Super, Sub> CanDowncast<Sub> for Super where
    Sub: IsA<Super>,
    Super: IsA<Super>, 
[src]

impl<T> ObjectExt for T where
    T: ObjectType
[src]

impl<T> ToValue for T where
    T: SetValue + ?Sized
[src]

impl<T> ToSendValue for T where
    T: ToValue + SetValue + Send + ?Sized
[src]