Trait gstreamer_gl::prelude::GLBaseFilterExt[−][src]

pub trait GLBaseFilterExt: 'static {
    fn find_gl_context(&self) -> bool;
    fn gl_context(&self) -> Option<GLContext>;
    fn context(&self) -> Option<GLContext>;
    fn connect_context_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;
}

Trait containing all GLBaseFilter methods.

Implementors

crate::GLBaseFilter, crate::GLFilter

Required methods

`fn find_gl_context(&self) -> bool`[src]

This is supported on crate feature v1_16 only.

Returns

Whether an OpenGL context could be retrieved or created successfully

`fn gl_context(&self) -> Option<GLContext>`[src]

This is supported on crate feature v1_18 only.

Returns

the crate::GLContext found by self

`fn context(&self) -> Option<GLContext>`[src]

`fn connect_context_notify<F: Fn(&Self) + Send + Sync + 'static>( &self, f: F ) -> SignalHandlerId`[src]

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Implementors

`impl<O: IsA<GLBaseFilter>> GLBaseFilterExt for O`[src]

`fn find_gl_context(&self) -> bool`[src]

This is supported on crate feature v1_16 only.

`fn gl_context(&self) -> Option<GLContext>`[src]

This is supported on crate feature v1_18 only.

`fn context(&self) -> Option<GLContext>`[src]

`fn connect_context_notify<F: Fn(&Self) + Send + Sync + 'static>( &self, f: F ) -> SignalHandlerId`[src]

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