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;
}

Expand description

Trait containing all GLBaseFilter methods.

Implementors

GLBaseFilter, 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 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]